CompTIA A+ 220-1001 Exam (Section 3.1 to 3.5)

You want to upgrade the hard drive in your computer to a fastest spinning high performance drive. What spin speed would the new drive have? A) 5,400rpm B) 7,200rpm C) 10,000rpm D) 15,000rpm Correct Answer) Revolutions Per Minute (RPM) determines overall drive performance. - The higher the RPM, the faster the drive. - Current-gen High performance speed is this. - This RPM has replaced by our partial credit answer, which is the former High Performance drive speed. Everything else) 1) Earlier average performance drives are rated at [A or B]. 2) The newest average performance drives are rated at [A or B].

D) 15,000rpm Partial Credit) C Everything else.....) 1) A 2) B

Which of these has a memory clock of 200 - 400 MHz? A) DDR2 B) DDR-333 C) DDR3 D) DDR4 Correct Answer) Memory Clock: 200-400 MHz Bus Clock: 800-1600 MHz Data Rate: 1600-3200 MT/s Transfer Rate: 12.8-25.6 GBps Everything else) 1) Memory Clock: 167 MHz Bus Clock: 167 MHz Data Rate: 333 MT/s Transfer Rate: 2.7 GBps 2) Memory Clock: 100-266 MHz Bus Clock: 400-1066 MHz Data Rate: 800-2133 MT/s Transfer Rate: 6.4-17.066 GBps 3) Memory Clock: 100-266 MHz Bus Clock: 200-533 MHz Data Rate: 400-1066 MT/s Transfer Rate: 3.2-8.533 GBps

D) DDR4 DDR4 has a memory clock from 200-400 MHz, a bus clock of 800-1600 MHz, a data rate of 1600-3200 MT/s and a transfer rate of 12.8-25.6 GBps. Everything else) C, B, A. DDR3 has a memory clock from 100-266 MHz, a bus clock of 400-1066 MHz, a data rate of 800-2133 MT/s and a transfer rate of 6.4-17.066 GBps. DDR-333 has a memory clock of 167 MHz, a bus clock of 167 MHz, a data rate of 333 MT/s and a transfer rate of 2.7 GBps. DDR2 has a memory clock from 100-266 MHz, a bus clock of 200-533 MHz, a data rate of 400-1066 MT/s and a transfer rate of 3.2-8.533 GBps.

Which DVI (Digital Visual Interface) configuration is used for HDTV digital and analog connections? A) DVI-A B) DVI-D dual link C) DVI-D single link D) DVI-I dual link Correct Answer) This supports over 7.4 Gbps bandwidth and can transmit HDTV @ 85 fps and supports both analog and digital equipment. Everything else) 1) This is the original form of DVI and is single link and supports only analog equipment. 2) This supports digital equipment only and has bandwidth of 3.7 Gbps, which only supports HD resolution. 3) This has a bandwidth of 7.4 Gbps and can transmit HDTV @ 85 fps but supports digital equipment only.

D) DVI-I dual link Otherwise (in order)) A, C, B.

Your company decided to upgrade the 20 year old office Ethernet network and needs the fastest speed possible but cannot afford fiber optic cables. What is your solution for this problem? A) 10BASE Ethernet B) 10G Ethernet C) Fast Ethernet D) Gigabit Ethernet Correct Answer) - I.E.: 1000BASE - It is for 1000 Mbps LANs. - This has replaced (2) as the ""standard"" for a typical LAN. - Since the company cannot afford fiber optic links, this would be the best choice of cabling. Everything else) 1) I.E.: 10GBASE - Uses 10Gbps links for LANs and WANs, mostly using fiber optic media. - It is widely used in data centers. 2) I.E.: 100BASE - Uses copper wire and fiber optic implementations of 100 Mbps LANs. 3) This is known as THE original standard. - Specifies cabling and connectors for copper wire and fiber optic products but mainly using copper wire.

D) Gigabit Ethernet Otherwise (in order)) B, C, A.

The office graphics designer comes to you complaining about how long it takes to open software on the graphics workstation and wants you to upgrade the computer to fix this. What do you do? A) Install a faster CPU. B) Install a faster video card. C) Install more RAM. D) Install an SSD in place of the hard drive. Correct Answer) This is an alternative to a certain other internal storage component in a PC. - This prides itself on speed over space (which makes it expensive), via usage of volatile memory chips called flash memory. - Its competition can handle large amounts of space through magnetization at the sacrifice of not being nearly as fast or as costly as what were willingly looking for here, otherwise. Everything else) 1) This would help process projects faster, but would not affect the loading time, as we're concerned with the speed of the hard drive. 2) This would also help process the projects faster. However, our correct answer would be a better choice. 3) Doing this may help to speed up processing graphics projects, it would not help in decreasing the loading time, like our correct answer will.

D) Install an SSD in place of the hard drive. Everything else.....) A, C, B.

Why would you use Shielded Twisted Pair (STP) Ethernet cable rather than unshielded cable? A) It is fire retardant. B) It generates interference. C) It is light and flexible. D) It prevents interference & stops crosstalk. Correct Answer) Shielded cable is less susceptible to 2 of these weaknesses other cables get hindered by easily. - Each pair was surrounded by a braided shield. - This cable construction is referred to as Shielded Twisted Pair (STP). Partial Credit) Describes Plenum cabling, where the chance of fire is much greater so the cable is required to meet strict fire safety codes. [T / F 1] STP is bulky and difficult to install as a braided shield surrounds each pair, making the cable harder to install. [T / F 2] Interference on the cable degrades communications so you want to prevent this. Shielded cable makes it less susceptible to interference and crosstalk and does not generate interference.

D) It prevents interference & stops crosstalk. Partial Credit) A [T / F 1] TRUE [T / F 2] TRUE

Which of these is NOT part of a fiber optic strand? A) Buffer B) Cladding C) Core D) Mesh conductor Correct Answer) This is part of a coaxial (coax) cable that serves both as shielding from EMI and as a ground. - It is not found in fiber optic cables. Everything else) 1) This is an ultra-fine strand of glass that carries the light signals, found only in optical fiber. 2) Is either glass or plastic, and guides the light pulse along (3) by bouncing the light signal back into (3). 3) The protective coating around (2). - This prevents light from entering the cable and also helps to bounce the light signal back into the core.

D) Mesh conductor Otherwise (in order)) C, B, A.

Which of these was the original "type" of Ethernet? A) 10BASE (10 Mbps) B) 100BASE (Fast Ethernet) C) 1000BASE (Gigabit Ethernet) D) 10GBASE (10G Ethernet) Correct Answer) This is the original standard, specifying cabling and connectors for copper wire and fiber optic products. Everything else) 1) A copper wire and fiber optic implementation for 100 Mbps LANs. - The follow on to our correct answer. 2) 1000 Mbps LANs. This has replaced (1) as the "standard" for a typical LAN found in homes and offices. 3) 10 Gbps links for LANs and WANs, mostly using fiber optic media. - This is widely used in data centers. - Its components are expensive and primarily used in data centers and possibly for backbone links.

A) 10BASE (10 Mbps) Everything else (in order)) B, C, D.

You are replacing a very old hard drive in a computer. What spin speed would you expect from this very early average performance hard drive? A) 5,400rpm B) 7,200rpm C) 10,000rpm D) 15,000rpm Correct Answer) Revolutions Per Minute (RPM) determines overall drive performance. - The higher the RPM, the faster the drive. - Average earlier drive performance speed is this. - This RPM has replaced our partial credit answer, which is the current-gen average drive performance speed. Everything else) 1) Earlier high performance drives are rated at [C or D]. 2) The newest high performance drives are rated at [C or D].

A) 5,400rpm Partial Credit) B Everything else.....) 1) C 2) D

You are replacing the Central Processing Unit (CPU) in an Intel-based computer. What is the first thing you do to insert the chip? A) Align Pin 1 on the chip with Pin 1 on the socket. B) Align Pin 1 on the chip with Pin 30 on the socket. C) Spread thermal compound on the chip. D) Use the Zero Insertion Force (ZIF) lever to push the chip into place. Correct Answer) You can align the chip for insertion, ONLY after doing THIS! Everything else) 1) You use this to secure the chip into the socket. This is done after Step 1 (our correct answer). 2) Performing this mismatch of pins could damage this crucial part of the motherboard during Step 1. 3) You apply this material after Step 1 (our correct answer). - Doing this before our actual Step 1 could cause a mess if you have to remove or realign the chip.

A) Align Pin 1 on the chip with Pin 1 on the socket. Everything else.....) D, B, C.

If your new computer comes with a graphics card that needs installation into an expansion slot, what is this type of card called? A) An add-on card B) An onboard adapter C) A PCIe channel (NOTE: anything PCI ain't compatible here.) D) A Trusted Platform Module Correct Answer) This comes separate from the computer and needs to be installed in the motherboard by using one of the expansion slots, such as a PCIe slot. Everything else) 1) Some graphics adapters, such as THIS, are likely to be included with the motherboard chipset or as part of the CPU itself. 2) This is a chip on the computer motherboard. - This is a hardware-based storage of digital certificates, keys, and hashed passwords. 3) This is the replacement for this legacy architecture and such cards cannot be fitted into this current-gen component's sockets. - These slots can hold a variety of expansion cards such as video cards, USB ports, or even hard drives.

A) An add-on card Everything else (in order)) B, D, C.

You need to archive over 20 GB of data off your computer and the archive needs updating frequently. Which type of external drive would you use? A) BD-RE (re-recordable) B) BD-R (recordable) C) DVD (Digital Video or Versatile Disc) D) HDD (Hard Disk Drives) Correct Answer) This media can be burned multiple times, much like a CD-RW and holds over 20 GB of data. - Average space == 25 to 100 GB. Everything else) 1) These are capable of CD and DVD playback and burning, and hold over 20 GB of data. - This media can be burned one time, much like a CD-ROM. 2) Is a storage format for consumer multimedia, comes in both recordable and re-recordable, and has a capacity of 4 - 17 GB. 3) These are one of the most widely used type of mass storage devices inside a computer.

A) BD-RE Everything else.....) B, C, D.

Which of these connectors would you use with coaxial (coax) cable? A) BNC (alternately Bayonet-Neill-Concelman, British Naval Connector, or Barrel Nut Connector) B) DB-9 C) Lightning D) RJ-11 Correct Answer) This is crimped to the ends of Coaxial (or coax) cable. Everything else) 1) Is used with 2- or 3-pair UTP or with flat ribbon ""silver satin"" phone cables. Typically only one pair carries the dial tone and voice. 2) Is a cheaper 9-pin D-shell male port used by PC manufacturers in place of the DB25 25-pin D-shell connector for serial ports. 3) Apple's iPhone and iPad mobile devices use this proprietary 8-pinport and connector, which is also known to be reversible (can be inserted either way up).

A) BNC (alternately Bayonet-Neill-Concelman, British Naval Connector, or Barrel Nut Connector) Everything else.....) B, D, C.

You are looking to replace the CD-ROM drive in your computer and want a drive that handles large amounts of data storage and can play the latest High Definition videos. Which drive would you install? A) Blu-ray B) DVD (Digital Video or Versatile Disc) C) HDD (Hard Disk Drives) D) SSD (Solid State Drives) Correct Answer) This is a storage format for consumer multimedia, such as HD music and video and can store up to 128 GB of data. Everything else) 1) is a storage format for consumer multimedia, such as music and video. - It has a capacity of 4 - 17 GB. 2) These use a type of non-volatile memory technology called flash memory and generally are used as a form of hard drive inside the computer. 3) These are one of the most widely used type of mass storage devices inside a computer.

A) Blu-Ray Everything else.....) B, D, C.

You need to archive over 20 GB of data off of your computer but do not need to change the data once you burn it to a disk. Which type of optical disk would you use? A) Blu-ray Recordable (BD-R) B) Blu-ray Re-Recordable (BD-RE) C) DVD (Digital Video or Versatile Disc) D) Solid state drives (SSD) Correct Answer) These media drives are capable of CD and DVD playback and burning, and hold over 20 GB of data. - This media can be burned ONLY one time, much like a CD-ROM. Everything else) 1) This media can be burned many times like a CD-RW and hold over 20 GB. 2) This uses a type of non-volatile memory technology called flash memory and generally are used as a form of hard drive inside the computer. 3) Is a storage format for consumer multimedia, comes in both recordable and re-recordable. - It has a capacity of 4 - 17 GB.

A) Blu-ray Recordable (BD-R) Everything else.....) B, D, C.

You have 400 MB of data you need to archive off your computer. Which of these would be the best choice to store the data with the least amount of leftover space on the disk? A) CD-ROM/CD-RW (Compact Disk) B) DVD-ROM/DVD-RW/DVD-RW DL (Digital Video or Versatile Disc) C) HDD (Hard Disk Drives) D) SSD (Solid State Drives) Correct Answer) This is a storage format for consumer multimedia, such as music and video. - It has a capacity of just less than 500 MB. - Some versions of this, however, have capacities ranging from 650 to even 900 MB. Everything else) 1) This is a storage format for consumer multimedia, such as music and video and has a capacity of 4 - 17 GB. 2) These are one of the most widely used type of mass storage devices inside a computer. 3) These use a type of non-volatile memory technology called flash memory and generally are used as a form of hard drive inside the computer.

A) CD-ROM/CD-RW (Compact Disk) Everything else.....) B, C, D.

You have an older digital camera that has a very large external card bay, bigger than the regular Secure Digital (SD) card bay. What type of memory card do you need? A) Compact Flash (CF) B) Micro-SD card C) Mini-SD card D) SD (Secure Digital) card Correct Answer) This was a very large card bigger than (3). - It had speeds rated the same as CDs and held up to 256 GB. Everything else) 1) Is a smaller version of (3), using the same capacity and speed designations. 2) Is the smallest version of (3), using the same capacity and speed designations. 3) This is a full-size type of memory card, used extensively in consumer digital imaging products such as digital still and video cameras and comes in three capacity variants. - It is smaller in size than our correct answer.

A) Compact Flash (CF) Everything else.....) C, B, D.

Which of these has a bus clock of 200-533 MHz? A) DDR2 B) DDR3 C) DDR4 D) DDR-200 Correct Answer) Memory Clock: 100-266 MHz Bus Clock: 200-533 MHz Data Rate: 400-1066 MT/s Transfer Rate: 3.2-8.533 GBps Everything else) 1) Memory Clock: 100-266 MHz Bus Clock: 400-1066 MHz Data Rate: 800-2133 MT/s Transfer Rate: 6.4-17.066 GBps 2) Memory Clock: 200-400 MHz Bus Clock: 800-1600 MHz Data Rate: 1600-3200 MT/s Transfer Rate: 12.8-25.6 GBps 3) Memory Clock: 100 MHz Bus Clock: 100 MHz Data Rate: 200 MT/s Transfer Rate: 1.6 GBps

A) DDR2 DDR2 has a memory clock from 100-266 MHz, a bus clock of 200-533 MHz, a data rate of 400-1066 MT/s and a transfer rate of 3.2-8.533 GBps. Everything else) B, C, D. DDR3 has a memory clock from 100-266 MHz, a bus clock of 400-1066 MHz, a data rate of 800-2133 MT/s and a transfer rate of 6.4-17.066 GBps. DDR4 has a memory clock from 200-400 MHz, a bus clock of 800-1600 MHz, a data rate of 1600-3200 MT/s and a transfer rate of 12.8-25.6 GBps. DDR-200 has a memory clock of 100MHz, a bus clock of 100 MHz, a data rate of 200 MT/s and a transfer rate of 1.6 GBps.

Which of these has a data rate of 400 - 1066 Mega-Transfers per Second (MT/s)? A) DDR2 B) DDR-266 C) DDR3 D) DDR4 Correct Answer) Memory Clock: 100-266 MHz Bus Clock: 200-533 MHz Data Rate: 400-1066 MT/s Transfer Rate: 3.2-8.533 GBps Everything else) 1) Memory Clock: 133 MHz Bus Clock: 133 MHz Data Rate: 266 MT/s Transfer Rate: 2.1 GBps 2) Memory Clock: 100-266 MHz Bus Clock: 400-1066 MHz Data Rate: 800-2133 MT/s Transfer Rate: 6.4-17.066 GBps 3) Memory Clock: 200-400 MHz Bus Clock: 800-1600 MHz Data Rate: 1600-3200 MT/s Transfer Rate: 12.8-25.6 GBps

A) DDR2 DDR2 has a memory clock from 100-266 MHz, a bus clock of 200-533 MHz, a data rate of 400-1066 MT/s and a transfer rate of 3.2-8.533 GBps. Everything else) B, C, D. 1) DDR-266 has a memory clock of 133 MHz, a bus clock of 133 MHz, a data rate of 266 MT/s and a transfer rate of 2.1 GBps. 2) DDR3 has a memory clock from 100-266 MHz, a bus clock of 400-1066 MHz, a data rate of 800-2133 MT/s and a transfer rate of 6.4-17.066 GBps. 3) DDR4 has a memory clock from 200-400 MHz, a bus clock of 800-1600 MHz, a data rate of 1600-3200 MT/s and a transfer rate of 12.8-25.6 GBps.

If you want to connect a non-Apple laptop to a TV set, which type of adapter would you use? A) DVI to HDMI B) DVI to VGA C) HDMI to VGA D) Thunderbolt to DVI Correct Answer) DVI is not supported on many consumer devices so you may use this adapter to connect a laptop to a TV set. - There is no signal conversion involved so this can be performed by a passive cable. Everything else) 1) Older flat panels may only come with VGA ports so you would use this adapter to connect the laptop to the flat panel display. 2) You would use this adapter to connect a laptop to an older flat panel display. - This type of converter usually requires an active Digital to Analog Converter (DAC) chip. 3) You would use this adapter to connect an older Apple computing device to newer display devices.

A) DVI to HDMI Otherwise (in order)) B, C, D.

Which of these was developed as a royalty-free standard? A) DisplayPort B) Digital Visual Interface (DVI) C) High Definition Multimedia Interface (HDMI) D) Video Graphics Array (VGA) Correct Answer) Was developed by VESA, the organization largely representing PC graphics adapter and display technology companies. - It is a royalty-free standard intended to "complement" (2). Everything else) 1) This is a high quality digital interface designed for flat-panel display equipment. - You are unlikely to see this used on new display devices or computers. 2) This is the most widely used graphic device interface. - It is ubiquitous on consumer electronics, such as televisions and Blu-Ray players. 3) IBM created this as a standard for the resolution and color depth of computer displays. - It specifies a resolution of 640x480 with 16 colors (4-bit color) at 60 Hz.

A) DisplayPort Everything else (in order)) B, C, D.

What is the term for a motherboard passing 128 bits of data per "transaction?" A) Dual-channel B) ECC C) Single-channel D) Triple-channel Correct Answer) With this, there can effectively be two pathways through the bus to the CPU, meaning that 128 bits of data can be transferred per "transaction" rather than 64 bits. Everything else) This type of memory means that there is one 64-bit bus between the CPU and RAM per "transaction". 2) This type of memory means there are three 64-bit bus channels between the CPU and RAM, which sums up what is passing 192 data bits per "transaction". 3) This is enhanced parity circuitry that can detect internal data errors and make corrections.

A) Dual-channel Everything else) C, D, B.

Coax cables use which type of connector? A) F-connector B) RJ-11 C) RJ-45 D) Straight tip (BNC) Correct Answer) Coax installations also use these, which screw-down. - A broadband cable service, for example, is likely to use these for drop cables. Everything else) 1) This is a bayonet-style connector that uses a push-and-twist locking mechanism. - Used mostly for multi-mode networks. 2) Twisted pair cabling for Ethernet is terminated using these modular connectors. - They are also referred to as 8P8C, standing for 8-position/8-contact. 3) These are used with 2- or 3-pair UTP or with flat ribbon "silver satin" phone cables. - Typically only one pair carries the dial tone and voice circuit. - These are also called the Tip and Ring wires after the way older phone plugs were wired.

A) F-connector Otherwise (in order)) D, C, B.

Which of these is a proprietary cable used on Apple products? A) Lightning B) Serial Port (RS-232) C) Thunderbolt D) USB Correct Answer) Apple's iPhone and iPad mobile devices use this proprietary 8-pin port and connector. - This connector is reversible (can be inserted either way up). Everything else) 1) Intel developed this interface for use on Apple workstations and laptops. - It connects display devices (like DisplayPort) and peripheral devices (like USB). 2) This is an old type of cable where the data is transmitted over one wire one bit at a time. 3) Is THE standard means of connecting peripheral devices to a computer. - It is an example of a multipurpose cable that can be used to attach a wide range of peripherals and storage devices.

A) Lightning Everything else (in order)) C, B, D.

You are installing hard drives into your new computer and need to have the best drive input/output performance but do not need fault tolerance. Which type of RAID (Redundant Array of Independent Disks) do you need? A) RAID 0 B) RAID 1 C) RAID 5 D) RAID 10 Correct Answer) - Is called Striping without Parity. - This spreads the data in a fixed order among all the disks in the array. - Its principal advantage is to improve performance but provides no redundancy of data. Everything else) 1) Is called Mirroring. - This duplicates the data disk to a second disk. - Each write operation is duplicated on the second disk in the set, introducing a small performance overhead. 2) Is called Striping with Distributed Parity. - This writes error checking information across all the disks in the array. - All normal write operations suffer reduced performance due to the parity calculation. 3) This is a combination of both [A & B]. - This configuration offers excellent fault tolerance but carries the same 50% disk overhead that mirroring does.

A) RAID 0 Everything else.....) B, C, D.

Which of these would be used on older Cable Access TV (CATV) or Close Circuit (CCTV) cabling? A) RG-59 B) RG-6 C) RJ-45 (Registered Jack 45) D) RJ-11 Correct Answer) Is a coaxial cable that has a thinner core conductor and was used as drop cable for older CATV/cable modem installs and is also used for CCTV cabling. Everything else) 1) Is a coaxial cable that has a thicker core conductor for better signal quality and is often used as drop/patch cable for modern Cable Access TV (CATV) and broadband cable modems. 2) Is used with twisted pair cable for Ethernet local area networking products. - Twisted pair is a type of copper cabling where pairs of insulated conductors are twisted around one another, to minimize electrical interference. 3) Is used with 2- or 3-pair UTP or with flat ribbon "silver satin" phone cables. Typically only one pair carries the dial tone and voice.

A) RG-59 Everything else.....) B, C, D.

Which SCSI connector was commonly used by Apple and Iomega devices? A) SCSI DB25 B) SCSI HD68 C) SCSI IDC50 D) SCSI SCA Correct Answer) This connector is a 25-pin connector used primarily by Apple and Iomega (Zip external data storage drives) hardware. Everything else) 1) This connector is a 50-pin internal connector used with early SCSI devices (SCSI-1 5 MBps 8-bit bus width hardware). 2) This connector is a 68-pin connectors used for internal and external ports. These 68-pin adapters support the 16-bit bus width Wide SCSI technology. ' 3) This connector is an 80-pin connector that incorporates both a power connector and configuration wires, allowing for hot-swappable drives.

A) SCSI DB25 Everything else (in order)) C, B, D.

Which USB standard defines a data rate of up to 480Mbps? A) USB 2.0 (HighSpeed) B) USB 3.0 (SuperSpeed) C) USB 3.1 (SuperSpeed+) D) USB 3.2 Correct Answer) Specifies a data rate of 480 Mbps. - Note that this bandwidth is shared between all devices attached to the same host. Everything else) 1) Specifies a 5 Gbps (or 5000 Mbps) data rate and makes the link full duplex so a device can send and receive at up to 5 Gbps simultaneously. 2) Specifies a data rate of 10 Gbps and makes the link full duplex. 3) Promises 20 Gbps, but only over USB-C ports and cabling.

A) USB 2.0 (HighSpeed) Otherwise (in order)) B, C, D.

Which type of USB cable attaches to a host? A) USB-A B) USB-B C) USB-B micro D) USB-C Correct Answer) The connector and port are shaped like flat rectangles. Everything else) 1) Is for use in connecting to a device such as a printer. - The connector and port are square, with a beveled top. - There are also small form factor versions of this connector and port. 2) Is a new reversible connector for devices. - The connector is reversible, meaning it can be inserted either way up. - The connector design is also more secure and robust. 3) Is a very small connector used to connect to smaller devices like smartphones and tablets. - This connector is distinctively flatter than the older mini type connector.

A) USB-A Otherwise (in order)) B, D, C.

You are installing a new cable modem in your home and need to connect it to existing cable wiring. What cabling do you use? A) Use a RG-6 patch cable. B) Use a RG-59 patch cable. C) Use a RJ-45 cable. D) Use a RJ-11 cable. Correct Answer) This is a coaxial cable that has a thicker core conductor for better signal quality and is often used as drop/patch cable for modern Cable Access TV (CATV) and broadband cable modems. Everything else) 1) Is a coaxial cable that has a thinner core conductor and was used as drop cable for older CATV/cable modem installs and is also used for CCTV cabling. 2) Is used with twisted pair cable for Ethernet local area networking products. 3) Is used with 2- or 3-pair UTP or with flat ribbon; "silver satin" phone cables. - Typically, only one pair carries the dial tone and voice.

A) Use a RG-6 patch cable. Everything else (in order)) B, C, D.

The hard drive in your laptop has died. What form factor size of replacement hard drive would you need to replace the failed drive? A) 1.8" B) 2.5" C) 3.5" D) 15mm Correct Answer) There are two main formats for HDDs, [B & C]. - This form factor is used for laptops and also as portable external drives. Partial Credit) This form factor is used for desktop PCs and also as large external drives that require an AC/DC plug to work. Everything else) 1) Is NOT widely used, but when it is, it's for laptops only. 2) Is one of the heights available for our correct answer, as specified.

B) 2.5" Partial Credit) C Everything else.....) A, D.

You are replacing a hard drive in a computer. What spin speed would you expect from this newer average performance hard drive? A) 5,400rpm B) 7,200rpm C) 10,000rpm D) 15,000rpm Correct Answer) Revolutions Per Minute (RPM) determines overall drive performance. - The higher the RPM, the faster the drive. - Average current-gen drive performance speed is this. - This RPM has replaced our partial credit answer, which is the earlier average drive performance speed. Everything else) 1) The newest high performance drives are rated at [C or D]. 2) Earlier high performance drives are rated at [C or D].

B) 7,200rpm Partial Credit) A Everything else.....) 1) D 2) C

Which of these Integrated Drive Electronics (IDE) interface standards has a maximum transfer rate of 66 MBps? A) ATA/ATAPI-4 B) ATA/ATAPI-5 C) ATA/ATAPI-6 D) ATA/ATAPI-7 Correct Answer) Uses UDMA mode 4 (Ultra ATA/66) and has a maximum transfer rate of 66 MBps. Everything else) 1) Uses UDMA mode 2 (Ultra ATA/33) and has a maximum transfer rate of 33 MBps. - It is also known as Ultra DMA and uses Cyclic Redundancy Checking. 2) Uses UDMA mode 5 (Ultra ATA/100) and has a maximum transfer rate of 100 MBps. - It uses 48-bit LBA expansion and disk noise reduction. 3) Uses UDMA mode 6 (Ultra ATA/133) and has a maximum transfer rate of 133 MBps. - It has multimedia streaming as a special feature.

B) ATA/ATAPI-5 Everything else (in order)) A, C, D.

Which connector is an alternative to a 25-pin connector? A) BNC (alternately Bayonet-Neill-Concelman, British Naval Connector, or Barrel Nut Connector) B) DB-9 C) Lightning D) RJ-11 Correct Answer) This is a cheaper 9-pin D-shell male port used by PC manufacturers in place of the DB25 25-pin D-shell connector for serial ports. Everything else) 1) Apple's iPhone and iPad mobile devices use this proprietary 8-pinport and connector, which is also known to be reversible (can be inserted either way up). 2) Is crimped to the ends of Coaxial (or coax) cable. 3) Is used with 2- or 3-pair UTP or with flat ribbon ""silver satin"" phone cables. Typically, only one pair carries the dial tone and voice.

B) DB-9 Everything else.....) C, A, D.

You have just over 3 GB of data you need to archive off your computer. Which of these would be the best choice to store the data with the least amount of leftover space on the disk? A) CD-ROM/CD-RW (Compact Disk) B) DVD-ROM/DVD-RW/DVD-RW DL (Digital Video or Versatile Disc) C) HDD (Hard Disk Drives) D) SSD (Solid State Drives) Correct Answer) This is a storage format for consumer multimedia, such as music and video and has a capacity of 4 - 17 GB. Everything else) 1) Is a storage format for consumer multimedia, such as music and video. - It has a capacity of just less than 500 MB. - Some versions of this, however, have capacities ranging from 650 to even 900 MB. 2) These use a type of non-volatile memory technology called flash memory and generally are used as a form of hard drive inside the computer. 3) These are one of the most widely used type of mass storage devices inside a computer.

B) DVD-ROM/DVD-RW/DVD-RW DL (Digital Video or Versatile Disc) Everything else.....) A, D, C.

Which of these is designed for flat panels but is being phased out? A) DisplayPort B) Digital Visual Interface (DVI) C) High Definition Multimedia Interface (HDMI) D) Video Graphics Array (VGA) Correct Answer) This is a high quality digital interface designed for flat-panel display equipment. - You are unlikely to see this used on new display devices or computers. Everything else) 1) This is the most widely used graphic device interface. - It is ubiquitous on consumer electronics, such as televisions and Blu-Ray players. 2) IBM created this as a standard for the resolution and color depth of computer displays. - It specifies a resolution of 640x480 with 16 colors (4-bit color) at 60 Hz. 3) Was developed by VESA, the organization largely representing PC graphics adapter and display technology companies. - It is a royalty-free standard intended to "complement" (1).

B) Digital Visual Interface (DVI) Otherwise (in order)) C, D, A.

Which type of cable would you use to run through walls? A) Crossover cable B) Drop cable C) Patch cord D) Plenum cable Correct Answer) Solid cabling used for "permanent" links, such as cable running through walls. - This is often also called such, as the installer drops the cable through the wall void to the hole cut out for the port. Everything else) 1) Is fire retardant and must not emit large amounts of smoke when burned, be self-extinguishing, and meet other strict fire safety standards. 2) Is used to connect a port on the patch panel to a port on the switch. 3) Uses a T568A connector at one end and T568B at the other. - These were once used to connect computers directly.

B) Drop cable Everything else (in order)) D, C, A.

What type of memory has enhanced parity circuits? A) DRAM (Dynamic RAM) B) Error checking & correcting (ECC) memory C) Registered (buffered) memory D) SODIMM (Small Outline DIMM) Correct Answer) Is enhanced parity circuitry that can detect internal data errors and make corrections (single-bits ONLY, of course.). Everything else) 1) Has an extra component that stores address information, taking some load off the memory controller. - It DOES NOT correct errors in the RAM. 2) Is a form of Synchronous Dynamic RAM (SDRAM) used in laptops. - This memory stores each data bit as an electrical charge and needs refreshing by an electrical charge. - This describes a form factor. 3) Only stores each data bit as an electrical charge within a single bit cell.

B) Error checking & correcting (ECC) memory Everything else.....) C, D, A.

You need to build a server that allows for removing the hard drives without opening the chassis. What feature is this? A) Advanced Host Controller Interface (AHCI) B) Hot-Swappable C) RAID (Redundant Array of Independent Disks) D) Serial Attached SCSI (SAS) Correct Answer) These drives plug into a combined data and power port on the enclosure. - This means that drives can be easily added and removed from the front of the case without having to open the chassis. Everything else) 1) Modern low cost solutions (the thing (2) falls under) may use the SATA interface. - THIS is a popular technology for server-class machines. 2) THIS is where many hard disks can act as backups for each other to increase reliability or act together as one very large drive. 3) Is the logical interface used by SATA devices to communicate with the host's bus and is not a hardware connection technology.

B) Hot-Swappable Everything else.....) D, C, A.

You want to upgrade the hard drive in your computer so that it can hold large amounts of data but can very quickly provide frequently accessed data. Which kind of drive would you use? A) eSATA (External Serial Advanced Technology Attachment) B) Hybrid (SSHD) C) SATA (Serial ATA) D) Solid State Drives (SSD) Correct Answer) One portion functions as a large cache, containing data that is accessed frequently. - The other portion is only spun up when non-cached data is accessed. Everything else) 1) Is a computer bus interface that connects to typical magnetic hard disk drives that hold large amounts of data. 2) Is a standard for the attachment of external drives to a computer. 3) Is designed to replicate or supplement the function of the hard drive. - While access times are fast, the size of the drive is usually smaller than magnetic drives.

B) Hybrid (SSHD) Everything else.....) C, A, D.

If you had an older C3 processor and a case for a motherboard that is 8.4" wide by 7.5" deep, what form factor would you use? A) ATX (Advanced Technology Extended) B) ITX C) mATX (Micro-ATX) D) mITX (Mini-ITX) Correct Answer) VIA Technologies released a reference design for this to promote the low power C3 processor. - These boards are usually 8.4" wide by 7.5" (215mm x 191mm) deep. Everything else) 1) This specification was developed by Intel in 1995 to provide a new design for PC motherboards, updating the previous __ form factor. - These boards are 12" wide by 9.6" (or 305x244mm) deep. 2) This standard specifies a 9.6" (244x244mm) square board. - It also has fewer expansion slots (up to 4 compared to a maximum of 7 for full-sized boards). 3) Small Form Factor (SFF) PCs often use this form factor from VIA. - The specification here is a 6.7" (170x170mm) square board. - It has ONLY one expansion slot.

B) ITX Everything else) 1) A 2) C 3) D

What distance between hosts in a network is considered local? A) ICAAN B) LAN (Local Area Network) C) MAN (Metropolitan Area Network) D) WAN (Wide Area Network) Correct Answer) Is a single site or possibly several sites in close proximity connected by high-speed backbones. Everything else) 1) Are usually thought of as relying on some intermediate network, such as the Internet or phone system, to connect geographically diverse versions of our correct answer. 2) Are an area equivalent to a city or other municipality. It could mean a company with multiple connected networks within the same metropolitan area—so larger than our correct answer, but smaller than (1). 3) A nonprofit organization responsible for coordinating the maintenance and procedures of several databases related to the namespaces and numerical spaces of the Internet.

B) LAN (Local Area Network) Otherwise (in order)) D, C, A.

Which of these is a reversible connector used on Apple products? A) IDC50 B) Lightning C) Mini-USB D) RG-59 Correct Answer) Apple's iPhone and iPad mobile devices use this proprietary 8-pinport and connector, which is also known to be reversible (can be inserted either way up). Everything else) 1) Is a 50-pin internal connector used with early SCSI devices (SCSI-1 5 MBps 8-bit bus width hardware). 2) Is a smaller connector for connection to a device. This type of connector was seen on early digital cameras but is no longer widely used. 3) Is a coaxial cable that has a thinner core conductor and was used as drop cable for older CATV/cable modem installs and is also used for CCTV cabling.

B) Lightning Everything else.....) A, C, D.

Which of these is NOT a type of fiber optic connector? A) Local connector B) Loopback plug C) Straight tip (BNC) D) Subscriber connector Correct Answer) It is used to test an Ethernet port. - It involves connecting pin 1 to pin 3 and pin 2 to pin 6. Everything else) 1) This s a bayonet-style connector that uses a push-and-twist locking mechanism. - It is used mostly for multi-mode networks. 2) This is a push/pull design allows for simpler insertion and removal than FC. - There are simplex and duplex versions, though the duplex version is just two connectors clipped together. - It can be used for single- or multi-mode fiber optic cabling. 3) This is a small form factor connector with a tabbed push/pull design. - This is similar to (2), but the smaller size allows for higher port density.

B) Loopback plug Otherwise (in order)) C, D, A.

Your new digital camera has an external storage card bay. It is very small, so what type of card would you need to get to use with the camera? A) Compact Flash (CF) B) Micro-SD card C) Mini-SD card D) SD (Secure Digital) card Correct Answer) Is the smallest version of (2), using the same capacity and speed designations. Everything else) 1) Is a smaller version of (2), using the same capacity and speed designations. 2) This is a full-size type of memory card, used extensively in consumer digital imaging products such as digital still and video cameras and comes in three capacity variants. - It is smaller in size than (3). 3) Was a very large card bigger than (2). - It had speeds rated the same as CDs and held up to 256 GB.

B) Micro-SD card Everything else.....) C, D, A.

Which of these is designed for smaller devices? A) DB-9 B) Micro-USB C) Mini-USB D) RG-6 Correct Answer) This is an updated connector for smaller devices, such as smartphones and tablets. Everything else) 1) 1is a smaller connector for connection to a device. This type of connector was seen on early digital cameras but is no longer widely used. 2) Is a cheaper 9-pin D-shell male port used by PC manufacturers in place of the DB25 25-pin D-shell connector for serial ports. 3) Is a coaxial cable that has a thicker core conductor for better signal quality and is often used as drop/patch cable for modern Cable Access TV (CATV) and broadband cable modems.

B) Micro-USB Everything else (in order)) C, D, A.

Which of these was used on early digital cameras but is no longer widely used? A) BNC (alternately Bayonet-Neill-Concelman, British Naval Connector, or Barrel Nut Connector) B) Mini-USB C) Molex D) RJ-11 Correct Answer) This is a smaller connector for connection to a device. This type of connector was seen on early digital cameras but is no longer widely used. Everything else) 1) Is used with 2- or 3-pair UTP or with flat ribbon ""silver satin"" phone cables. Typically, only one pair carries the dial tone and voice. 2) Is usually white and has 4 pins plus red, yellow, and black wires and is used to connect older devices to the internal power supply of a computer. 3) Is crimped to the ends of Coaxial (or coax) cable.

B) Mini-USB Everything else.....) D, C, A

Which of these is an internal power connector? A) eSATA (External Serial Advanced Technology Attachment) B) Molex C) PATA (Parallel ATA) D) RG-6 Correct Answer) This is usually white and has 4 pins plus red, yellow, and black wires and is used to connect older devices to the internal power supply of a computer. Everything else) 1) Is a standard for the attachment of external drives. 2) Is the legacy technology replaced by SATA (Serial Advanced Technology Attachment) to connect the data ports of internal hard drives. 3) Is a coaxial cable that has a thicker core conductor for better signal quality and is often used as drop/patch cable for modern Cable Access TV (CATV) and broadband cable modems.

B) Molex Everything else (in order)) A, C, D.

You are adding a solid state drive (SSD) to your computer. Which logical interface does the SSD need? A) Advanced Host Controller Interface (AHCI) B) NVM Express (NVMe) C) Parallel ATA (PATA) D) SATA (Serial ATA) Correct Answer) PCIe (Peripheral Component Interconnect Express)-based solid state drives (SSDs) use the Non-Volatile Memory Host Controller Interface Specification (NVMHCI) or THIS. Everything else) 1) Is the logical interface to communicate with the bus for ____-based drives, such as hard drives and internal optical drives. 2) Is a computer bus interface that connects to mass storage devices such as hard disk drives, optical drives, and solid-state drives. 3) Is the legacy technology replaced by (2) and used to connect hard drives and floppy disk drives.

B) NVM Express (NVMe) Everything else.....) A, D, C.

You want to increase your Central Processing Unit (CPU) beyond the optimum speed setting. What feature should your new CPU have in its firmware? A) Hyper-threading technology B) Overclocking features C) Trusted Platform Module technology D) Virtualization processor extensions Correct Answer) Increasing the CPU speed beyond the optimum clock speed is that of what involves using the system setup firmware program. Everything else) 1) This allows a single computer to run multiple operating systems or Virtual Machines (VM). - This is a technology built into the CPU and it does NOT affect CPU speed. 2) This is a CPU technology that allows the threads (stream of instructions) to run through the CPU at the same time. - It duplicates many of the registers of the CPU. 3) This is a chip on the computer motherboard. - This is a hardware-based storage of digital certificates, keys, and hashed passwords.

B) Overclocking features Everything else.....) D, A, C.

The Serial Advanced Technology Attachment (SATA) replaced which of these technologies? A) AHCI (Advanced Host Controller Interface) B) PATA (Parallel ATA) C) SAS (Serial Attached SCSI) D) SCSI (Small Computer Systems Interface) Correct Answer) This is the legacy technology replaced by SATA. - Done due to Serial (1 bit per second) being FASTER than Parallel (8 bits per second). Everything else) 1) Is another parallel bus where one Host Bus Adapter (HBA) can control multiple devices, attached by internal ribbon cables or external cables of the same name. 2) Is a technology very popular in the server market where it offers point-to-point links and none of the termination issues of (1). 3) Is the logical interface used by SATA devices to communicate with the host's bus and is not a hardware connection technology.

B) PATA Otherwise (in order)) D, C, A.

Which VGA standard uses a 5:4 aspect ratio? A) HD B) SXGA (Super XGA) C) WSXGA D) WXGA (Widescreen XGA) Correct Answer) This is a variant of the XGA standard and has a resolution of 1280x1024 and the aspect ratio we're looking for here. Everything else) 1) This is a newer standard intended to replace XGA and has a resolution of 1366x768 and an aspect ratio of of 16:9. 2) This is a variant of the XGA standard and has a resolution of 1280x800 and a widescreen aspect ratio of 16:10. 3) This is a variant of the XGA standard and has a resolution of 1440x900 and a widescreen aspect ratio of 16:10.

B) SXGA (Super XGA) Everything else (in order)) A, D, C.

A 64-bit bus channel between the CPU and RAM is called by what term? A) Dual-channel B) Single-channel C) SODIMM (Small Outline DIMM) D) Triple-channel Correct Answer) This type of memory means that there is one 64-bit bus between the CPU and RAM. Everything else) 1) With this, there can effectively be two pathways through the bus to the CPU, meaning that 128 bits of data can be transferred per "transaction" rather than 64 bits. 2) This type of memory means there are three 64-bit bus channels between the CPU and RAM. 3) This is a form of Synchronous Dynamic RAM (SDRAM) used in laptops. - This memory stores each data bit as an electrical charge and needs refreshing by an electrical charge.

B) Single-channel Everything else.....) A, D, C.

Which of these is an older parallel interface used on workstations and servers? A) Lightning B) Small Computer Systems Interface (SCSI) C) Thunderbolt D) VESA Correct Answer) Older workstations and servers requiring more speed would use this bus instead of a serial communication cable. Everything else) 1) Apple's iPhone and iPad mobile devices use this proprietary 8-pinport and connector, which is also known to be reversible (can be inserted either way up). 2) Intel developed this interface for use on Apple workstations and laptops. - It connects display devices (like DisplayPort) and peripheral devices (like USB). 3) Is an organization largely representing PC graphics adapter and display technology companies. - It created the DisplayPort standard for video output.

B) Small Computer Systems Interface (SCSI) Everything else (in order)) A, C, D.

You are setting up your new computer and select the settings for enabling/disabling controllers and adapters. Which section of the Basic Input/Output System (BIOS) contains these settings? A) The boot options settings section B) The interface configuration settings section C) The security settings section D) The systems components section Correct Answer) This section includes enabling/disabling and configuring any controllers and adapters provided on the motherboard. Everything else) 1) This section provides support for security methods. - There are usually at least two passwords and may require more. - Other settings may encrypt or lock all of the hard drives. 2) This section defines the sequence in which the system firmware searches devices for this specific manager. - You will usually be able to set 3 or 4 options in priority order. 3) This section contains information about core components such as CPU, chipset, RAM, hard drive(s), optical drive(s), and the battery (on a laptop).

B) The interface configuration settings section Everything else.....) C, A, D.

How many conductor pairs are found in Ethernet cables? A) 2 B) 3 C) 4 D) 5 Correct Answer) With the type of Unshielded Twisted Pair (UTP) used for Ethernet, the cable contains ____ of these copper conductor "pairs". Everything else) 1) This many cables are the type found in regular telephone wire, typically using unshielded copper wires connected to RJ-11 jacks. 2) Very old telephone lines may have this many wires, ___ for tip plus ___ for ring. - One pair is needed for each phone line in the house. 3) This wire type is known as Multi-Conductor Wire And Cable. - It is designed for use in a number of communications applications, such as public address systems, remote control circuits, actuator controls, audio and sound systems, and data transmission.

C) 4 Otherwise (in order)) B, A, D.

You upgrade a graphics workstation with a new Hyper-threading Central Processing Chip. You expect the programs on the desktop to run much faster with the new technology, but you get little improvement. Why is this? A) The operating system does not allow Hyper-threading. B) The programs on the desktop are not multi-threaded software. C) You forgot to turn on Hyper-threading in the BIOS. D) You forgot to turn on super-scaling in the BIOS. [T/F 1] The main drawback of SMT is that it works best with multi-threaded software. Although this software is more difficult to design, desktop applications software often can easily take full advantage. [T/F 2] Hyper-threading is a function of the CPU architecture. To the OS, it seems as though there are two or more CPUs installed. However, it needs to be turned on in the BIOS to work properly. [T/F 3] Most modern operating systems are not Hyper-threading aware and will need to be turned on to see multiple CPUs if Hyper-threading is present in the CPU. [T/F 4] A CPU able to process multiple instructions at the same time has a super-scalar architecture, as multiple execution units are required. - This is a function of the chip design and is not an option in the BIOS.

B) The programs on the desktop are not multi-threaded software. [T / F 1] FALSE (As this software is more difficult to design, desktop applications software often cannot take full advantage.) [T / F 2] FALSE (Hyper-threading is a CPU architecture function that DOES NOT need to be turned on.) [T / F 3] FALSE (Most modern operating systems are Hyper-threading aware and will see multiple CPUs if Hyper-threading is present in the CPU.) [T / F 4] TRUE

You are installing a new hard drive into an older computer but do not have the correct power connections. How would you solve this issue? A) Use a Lightning to Molex connector. B) Use a Molex to SATA connector. C) Use a USB gender changer. D) Use a VESA to HDMI connector. Correct Answer) Older computers used this 4-pin white connection on the power supply to connect to internal drives. - You can use this to provide power to the new hard drive. Everything else) 1) The power connections for this involve USB connections. - NOT APPLICABLE. 2) Apple's iPhone and iPad mobile devices use this proprietary 8-pinport and connector, which is also known to be reversible (can be inserted either way up). - SORRY.... NOPE. 3) This is an organization largely representing PC graphics adapter and display technology companies. - That is a type of video connector. - This connector is NOT a real thing, BTW!

B) Use a Molex to SATA connector. Everything else (in order)) C, A, D.

You upgrade your office graphics workstation with more memory. You replace two of the four inexpensive memory chips with expensive memory designed for workstations but now the system refuses to boot. What could be the problem? A) You installed SODIMMs rather than DIMMs. B) You mixed ECC memory with non-error checking memory. C) Your motherboard is defective. D) The pin count on the chip does not match the motherboard. Correct Answer) This type of memory is expensive enhanced parity circuitry that can detect internal data errors and make corrections. - Your old chips may be non-parity; DO THE MATH. Everything else) 1) These are a type of memory found in a much more compact and portable type of PC only. 2) If this happens, you would not be able in physically install the chip. 3) This worked with no issues before you installed the new chips. - You would not expect this to be defective, as a result.

B) You mixed ECC memory with non-error checking memory. Everything else) 1) A 2) D 3) C

Which of these is a standard for attaching external drives? A) BNC (alternately Bayonet-Neill-Concelman, British Naval Connector, or Barrel Nut Connector) B) eSATA (External Serial Advanced Technology Attachment) C) PATA (Parallel ATA) D) Thunderbolt Correct Answer) This is a standard for the attachment of external drives. - You must use a cable of this type to connect to a matching external port; you cannot use an internal SATA cable. Everything else) 1) Is the legacy technology replaced by SATA (Serial Advanced Technology Attachment). 2) Intel developed this interface for use on Apple workstations and laptops. - It connects display devices (like DisplayPort) and peripheral devices (like USB). 3) Is crimped to the ends of Coaxial (or coax) cable.

B) eSATA (External Serial Advanced Technology Attachment) Everything else.....) C, D, A.

You need to replace the broken high performance drive in your computer. Since it is an early high performance drive, what spin speed would you expect it to have? A) 5,400rpm B) 7,200rpm C) 10,000rpm D) 15,000rpm Correct Answer) Revolutions Per Minute (RPM) determines overall drive performance. - The higher the RPM, the faster the drive. - Earlier High performance current-gen drive performance speed is this. - This RPM has been replaced by our partial credit answer, which is the current High Performance drive speed. Everything else) 1) The newest average performance drives are rated at [A or B]. 2) Earlier average performance drives are rated at [A or B].

C) 10,000rpm Partial Credit) D Everything else.....) 1) B 2) A

The hard drive in your tower computer has died. What form factor size of replacement hard drive would you generally use to replace the failed drive? A) 1.8" B) 2.5" C) 3.5" D) 7mm Correct Answer) There are two main formats for HDDs, [B & C]. - This form factor is used for desktop PCs and also as large external drives that require an AC/DC plug to work. Partial Credit) This form factor is used for laptops and also as portable external drives. Everything else) 1) Is NOT widely used, but when it is, it's for laptops only. 2) Is one of the heights available for our correct answer, as specified.

C) 3.5" Partial Credit) B Everything else.....) A, D.

Which of these is the international standard for Ethernet technology? REMEMBER) All of these start w/ IEEE. A) 802.1 B) 802.2 C) 802.3 D) 802.11 Correct Answer) Ethernet is technically known by the series of standards produced by this exact working group. - While the product name is not used in said standards documentation, it is otherwise universally referred to as Ethernet. Everything else) 1) This is concerned with 802 LAN/MAN architecture and inter-networking among 802 LANs, MANs and WANs. 2) This is the original name of the ISO/IEC 8802-2 standard which defines logical link control as the upper portion of the data link layer of the open systems interconnections model. 3) This is a set of media access control and physical layer specifications for implementing wireless local area network (WLAN) computer communication.

C) 802.3 Otherwise (in order)) A, B, D.

Which of these would you expect NOT to be a front panel connector? A) Hard drive activity lights B) Headphone and microphone audio ports C) A power supply connector D) Soft power button Correct Answer) The motherboard also contains a connection point for this, which is usually a 24-pin white or black block. Everything else) 1) This sends a signal to the PC that can be interpreted by the computer operating system rather than actually switching the PC off. - Holding down the button for a few seconds cuts the power. 2) These are what show when an internal hard disk is being accessed. 3) Those round audio ports allow these to be connected to the computer from the front.

C) A power supply connector Everything else (in order)) D, A, B.

Which type of motherboard connector is a 9-pin header which can accept up to two 4-pin port connections? A) A front panel header B) An internal computer case fan connector C) An internal USB connector D) A motherboard power connector Correct Answer) These are made via 9-pin headers, which accept up to two 4-pin port connections. - These allow external ports of this standard to connect to the motherboard. Everything else) 1) These come in many form factors including: - a 3-pin Molex KK connector - a 4-pin Molex KK connector - a 4-pin Molex connector that connects directly to the system's power supply. 2) The motherboard also contains a connection point for this component, which is usually a 24-pin white or black block. 3) This is a block of pins that have connections for various case connections including HDD lights, power LED light, and audio connectors

C) An internal USB connector Everything else (in order)) B, D, A.

For the office network upgrade to Gigabit Ethernet, you need proper cabling. What is your choice of cabling? A) Cat 5 and Cat 5e B) Cat 5 and Cat 6A C) Cat 5e and Cat 6 D) Cat 6 and Cat 5 Correct Answer and Match-Up) - One has a capacity of 100 Mbps and is NOT suitable for the network. - One has a capacity of 1 Gbps and is suitable for the network. - Two have a capacity of 10 Gbps and are suitable for the network; one, however, has reduced working range.

C) Cat 5e and Cat 6 Match-Up) Cat 5 == 100 Mbps Cat 5e == 1 Gbps Cat 6 == 10 Gbps (reduced range) Cat 6A == 10 Gbps

Which category of Ethernet cable is 250MHz and carries 1-10 Gbps of data? A) Cat 5 B) Cat 5e C) Cat 6 D) Cat 6A Correct Answer) - Uses 250MHz (frequency). - Carries 1Gbps of data up to 100m (328ft) - Can carry 10Gbps of data up to 55m (180ft). - 1Gbps is used in 1000BASE-T networks. - 10Gbps is used in 10GBASE-T networks. Everything else) 1) Uses 100MHz. - Carries 100Mbps of data up to 100m (328ft). - Used in 100BASE-TX networks. 2) Uses 100MHz. - Carries 1 Gbps of data up to 100m (328ft). - Used in 1000BASE-T networks. 3) Uses 500MHz. - Carries 10 Gbps of data up to 100m (328ft). - Used in 10GBASE-T networks.

C) Cat 6 Otherwise (in order)) A, B, D.

If you want to connect an older flat panel display to your brand new non-Apple laptop, which type of adapter would you use? A) DVI to HDMI B) DVI to VGA C) HDMI to VGA D) Thunderbolt to DVI Correct Answer) You would use this adapter to connect a laptop to an older flat panel display. - This type of converter usually requires an active Digital to Analog Converter (DAC) chip. NOTE 1) Older flat panels may only come with a VGA port so you would use this port to connect the new laptop to the old flat panel display. - It is unlikely to find an older flat panel with an HDMI connector. NOTE 2) DVI may be found on older laptops; however, the question indicates that your laptop is new. Most new laptops have HDMI ports. Partial Credit) You would use this adapter to connect an older Apple computing device to newer display devices.

C) HDMI to VGA Partial Credit) D

You are building a new computer and do not have a lot of room inside the case to add a SSD (solid state drive) hard drive. Which type of modern drive controller would be best to use in the limited space? A) Advanced Host Controller Interface (AHCI) B) Blu-ray Recordable (BD-R) C) M.2 drives D) SATA (Serial ATA) Correct Answer) This is considerably smaller than a PCIe adapter. - It's used for SSDs so the interface is often used on laptops as well as PC motherboards. Everything else) 1) This media can be burned one time, much like a CD-ROM and is an external form factor for optical drives 2) Is the logical interface to communicate with the bus for ____-based drives, such as hard drives and internal optical drives. 3) Is a computer bus interface that connects to mass storage devices such as hard disk drives, optical drives, and solid-state drives.

C) M.2 drives Everything else.....) B, A, D.

Your new digital video camera has an external card bay smaller than a Secure Digital (SD) card but is not very small. What type of card do you think you need for this slot? A) Compact Flash (CF) B) Micro-SD card C) Mini-SD card D) SD (Secure Digital) card Correct Answer) Is a smaller version of (1), using the same capacity and speed designations. Everything else) 1) This is a full-size type of memory card, used extensively in consumer digital imaging products such as digital still and video cameras and comes in three capacity variants. - It is smaller in size than (3). 2) Is the smallest version of (1), using the same capacity and speed designations. 3) Was a very large card bigger than (1). - It had speeds rated the same as CDs and held up to 256 GB.

C) Mini-SD card Everything else.....) A, B, D.

You just installed a new hard drive in a computer. After booting the computer, Windows does not assign a drive letter to the hard drive. What do you do? A) Change the cabling on the drive. B) Open the computer and recheck the cables. C) Partition and format the drive. D) Remove the drive and return it as defective. Correct Answer) The drive needs this to happen to it before Windows will assign a drive letter to it. - You use the Computer Management app to do this. Everything else) 1) Since Windows recognizes the drive, this isn't necessary. - If this component were bad or not installed correctly, Windows would not see the hard drive. 2) Since you have not completed troubleshooting the problem, this leap to a conclusion is not a good move. 3) Moving these around or changing them out would not solve this issue. - The drive is working correctly; the issue is with Windows doing what is our correct answer FIRST.

C) Partition and format the drive. Everything else.....) B, D, A.

Which of these would be used as a drop/patch cable for modern Cable Access TV (CATV)? A) DB-9 B) Lightning C) RG-6 D) RG-59 Correct Answer) Is a coaxial cable that has a thicker core conductor for better signal quality and is often used as drop/patch cable for modern Cable Access TV (CATV) and broadband cable modems. Everything else) 1) Is a coaxial cable that has a thinner core conductor and was used as drop cable for older CATV/cable modem installs and is also used for CCTV cabling. 2) Apple's iPhone and iPad mobile devices use this proprietary 8-pinport and connector, which is also known to be reversible (can be inserted either way up). 3) Is a cheaper 9-pin D-shell male port used by PC manufacturers in place of the DB25 25-pin D-shell connector for serial ports.

C) RG-6 Everything else (in order)) D, B, A.

Which type of connector is used with telephone cables? A) BNC (alternately Bayonet-Neill-Concelman, British Naval Connector, or Barrel Nut Connector) B) Molex C) RJ-11 D) RJ-45 (Registered Jack 45) E) RS-232 (Recommended Standard #232) Correct Answer) Is used with 2- or 3-pair UTP or with flat ribbon ""silver satin"" phone cables. Typically only one pair carries the dial tone and voice. Everything else) 1) Is used with twisted pair cable for Ethernet local area networking products. - Twisted pair is a type of copper cabling where pairs of insulated conductors are twisted around one another, to minimize electrical interference. 2) Is crimped to the ends of Coaxial (or coax) cable. 3) Is usually white and has 4 pins plus red, yellow, and black wires and is used to connect older devices to the internal power supply of a computer. 4) Is the standard for the serial port used on earlier computers and supports data rates up to about 115 Kbps only.

C) RJ-11 Everything else (in order)) D, A, B, E.

Which of these terms is associated with serial ports? A) BNC (alternately Bayonet-Neill-Concelman, British Naval Connector, or Barrel Nut Connector) B) Molex C) RS-232 (Recommended Standard #232) D) USB Correct Answer) This is the standard for the serial port used on earlier computers and supports data rates up to about 115 Kbps only. Everything else) 1) Is crimped to the ends of Coaxial (or coax) cable. 2) Is usually white and has 4 pins plus red, yellow, and black wires and is used to connect older devices to the internal power supply of a computer. 3) This has become the standard means of connecting peripheral devices to a computer. - It is an example of a multipurpose cable that can be used to attach a wide range of peripherals and storage devices.

C) RS-232 (Recommended Standard #232) Everything else.....) A, B, D.

Which type of memory is specially made for laptops? A) DDR SDRAM (Double Data Rate SDRAM) B) HDD C) SODIMM (Small Outline DIMM) D) SSD Correct Answer) This is a form of Synchronous Dynamic RAM (SDRAM) used in laptops. - This memory stores each data bit as an electrical charge and needs refreshing by an electrical charge. Partial Credit) This is an updated type of memory where data is transferred twice in one cycle but is not specially made for laptops. Everything else) 1) Is one of the most widely used type of mass storage device, which provides non-volatile storage where the data remains when the power is off. 2) Uses a type of non-volatile memory technology called flash memory. - Flash memory is non-volatile because it does not need a power source to retain information.

C) SODIMM Partial Credit) A Everything else) 1) B 2) D

Which of these might include both home and residential networks? A) ICAAN B) MAN (Metropolitan Area Network) C) SOHO (Small Office Home Office) D) WAN (Wide Area Network) Correct Answer) Is a business-oriented network possibly using a centralized server in addition to client devices and printers. - Home and residential networks may also be classed as this. Everything else) 1) Are usually thought of as relying on some intermediate network, such as the Internet or phone system, to connect geographically diverse LANs (Local Area Networks). 2) Are an area equivalent to a city or other municipality. It could mean a company with multiple connected networks within the same metropolitan area—so larger than a LAN but smaller than (1). 3) A nonprofit organization responsible for coordinating the maintenance and procedures of several databases related to the namespaces and numerical spaces of the Internet.

C) SOHO Otherwise (in order)) D, B, A.

Which security system helps prevent malware from hijacking a computer? A) The drive lock BIOS password B) The LoJack tracking software C) Secure boot D) The TPM security chip on the motherboard Correct Answer) This is designed to prevent a computer from being hijacked by malware. - Under this, the system firmware is configured with digital certificates from valid OS vendors and prevents this exact loader that has very much been modified by malware. Everything else) 1) Some laptop firmware is bundled with this. - Said software can also attempt to locate the laptop. 2) This is something found right on the computer motherboard. - It is a hardware-based storage of digital certificates, keys, and hashed passwords. 3) This is a way to secure access to the disk specifically (rather than the PC generally) by configuring this specific credential for the drive and storing it in the PC or drive firmware.

C) Secure boot Everything else.....) B, D, A.

With which type of hardware would you expect to use a USB to Ethernet adapter? A) Desktop B) Full-sized laptop C) Slimline laptop D) Tablet Correct Answer) Does not have onboard adapters. - In this case, you can use a USB to Ethernet adapter. - This type of adapter contains the NIC and RJ-45 port in a small housing connected to the computer via a USB port. Everything else) 1) Has a standard RJ-45 Ethernet port build into the chassis along with an Ethernet card. 2) Has either a full-sized RJ-45 Ethernet port built into the motherboard or have an add-on card containing the Ethernet port and NIC. 3) Has either a wireless NIC or a cell phone chip built into the hardware and do not need the USB to Ethernet adapter, like our correct answer WILL need.

C) Slimline laptop Everything else (in order)) B, A, D.

What is the main connection difference between USB-C and earlier versions of USB? A) The connector is a large flat rectangle. B) The connector is small and beveled. C) The connector is small, flat and reversible. D) The connector is square with a beveled top. Correct Answer) Can be inserted either way up into things. - The connector design is also more secure and robust. Everything else) 1) Describes USB-A, which is typically used for connecting to a host such as a computer. 2) Describes USB-B, used for connecting to a device such as a printer. 3) Describes USB-B Mini (no longer used) or USB-B Micro (now being phased out for USB-C). - Seen originally on digital cameras, now found especially on smartphones and/or tablets, despite USB-C becoming more popular, now.

C) The connector is small, flat and reversible. Otherwise (in order)) A, D, B.

You recently upgraded an office computer by installing a hard drive. It was a tight fit in the small case as you filled the last available spot with the drive. The user is now complaining the computer randomly shuts down. What could be the issue? A) The drive is defective. B) You forgot to ensure all cable connections were good. C) The installed drive is blocking case airflow. D) You knocked an expansion card loose during the drive installation. Correct Answer) Thermal problems are likely to cause symptoms such as spontaneous reboots, blue screens, and lockups. - This is what that last drive is doing for you right now, unfortunately. Everything else) 1) These usually cause error beeps during the power on self-test (POST). - These would also not be accessible, meaning they cannot cause random reboots. 2) If this was happening, the OS would not be able to access the drive, thus NO random reboots to complain about. 3) If this were an issue, there would be error beeps during power on self-testing (POST), or devices connected here would not work. - Random reboots are generally not a symptom of this, either.

C) The installed drive is blocking case airflow. Everything else.....) A, B, D.

Which setting in the BIOS (Basic Input/Output System) menu would allow you to protect access to the system setup program? A) The drive lock setting B) The LoJack setting C) The system password setting D) The TPM (Trusted Platform Module) setting Correct Answer) This protects access to this very essential setup program by requiring this exact credential before entering the BIOS system. Everything else) 1) This is a way to secure access to the disk specifically (rather than the PC generally) by configuring this exact credential and storing it in the PC or drive firmware. 2)This is a chip on the computer motherboard. - This is a specification for hardware-based storage of digital certificates, keys, hashed passwords, and other user and platform identification information. 3) Some laptop firmware is bundled with this; this software can also attempt to locate the laptop, either using GPS data if the laptop has a GPS chip or using information about nearby wireless networks.

C) The system password setting Everything else (in order)) A, D, B.

Which of these cables was invented by Intel? A) Lightning B) Serial Port (RS-232) C) Thunderbolt D) USB Correct Answer) Intel developed this interface for use on Apple workstations and laptops. It connects display devices (like DisplayPort) and peripheral devices (like USB). Everything else) 1) Apple's iPhone and iPad mobile devices use this proprietary 8-pin port and connector. This connector is reversible (can be inserted either way up). 2) This is an old type of cable where the data is transmitted over one wire one bit at a time. 3) Is THE standard means of connecting peripheral devices to a computer. It is an example of a multipurpose cable that can be used to attach a wide range of peripherals and storage devices.

C) Thunderbolt Everything else (in order)) A, B, D.

Your company wants to buy Android-based tablets to collect data for their sales force. Their tablets need a high-speed connection to transfer data at least 5 Gbps. Which cabling solution do you suggest for the equipment? A) Use a Lightning connection. B) Use a USB 2.0 Mini connection. C) Use a USB 3.0 Micro connection. D) Use a USB 3.0 Mini connection. Correct Answer) Is a very small connector used to connect to smaller devices like smartphones and tablets. - This standard specifies speeds of at least 5 Gbps. Everything else) 1) Apple's iPhone and iPad mobile devices use this proprietary 8-pinport and connector, which is also known to be reversible (can be inserted either way up). - SORRY.... NOPE. 2) Is a smaller connector for connection and seen on early digital cameras, specifying speeds of 480 Mbps. 3) This was seen on early digital cameras but is no longer widely used - The standard specifies speeds of at least 5 Gbps.

C) Use a USB 3.0 Micro connection. Everything else (in order)) A, B, D. Also - USB Standard Speeds: USB 1.0 == 1.5 Mbps USB 1.1 == 12 Mbps USB 2.0 == 480 Mbps USB 3.0 == 5 Gbps USB 3.1 == 10 Gbps

Which term describes error correction in system memory chips? A) DDR SDRAM B) DRAM C) Registered (buffered) D) Parity checking Correct Answer) System memory for most desktops is the opposite of THIS; that is, it does not perform error checking. - This is done in Error Checking and Correcting (ECC) memory. Everything else) 1) This has an extra component that stores address information, taking some load off the memory controller. - It does not correct errors in the RAM. 2) This is an updated type of memory where data is transferred twice in one cycle but can be both parity and non-parity memory. 3) This stores each data bit as an electrical charge within a single bit cell but does not describe the type of error correction present in a memory chip.

D) Parity checking Everything else.....) 1) C 2) A 3) B

Which type of connector is used with 4-pair (8-wire) cables? A) BNC (alternately Bayonet-Neill-Concelman, British Naval Connector, or Barrel Nut Connector) B) Molex C) RJ-11 D) RJ-45 (Registered Jack 45) Correct Answer) This is used with twisted pair cable for Ethernet local area networking products. - Twisted pair is a type of copper cabling where pairs of insulated conductors are twisted around one another, to minimize electrical interference. Everything else) 1) Is used with 2- or 3-pair UTP or with flat ribbon ""silver satin"" phone cables. Typically only one pair carries the dial tone and voice. 2) Is crimped to the ends of Coaxial (or coax) cable. 3) Is usually white and has 4 pins plus red, yellow, and black wires and is used to connect older devices to the internal power supply of a computer.

D) RJ-45 (Registered Jack 45) Everything else.....) C, A, B.

You are adding a new solid state drive to a laptop. Which hard drive form factor is usually found in laptops? A) Blu-ray B) DVD (Digital Video or Versatile Disc) C) eSATA (External Serial Advanced Technology Attachment) D) SATA 2.5 Correct Answer) A SSD might be installed to this exact port where the mechanical HDD fits. - This is an easy way to upgrade the correctly-sized drive in a laptop, as the device form factor is the same. Everything else) 1) Is a storage format for consumer multimedia, such as music and video, and known as an "optical" drive because a laser reads data from the disc. - It has a capacity of 25 - 100 GB. 2) Is a storage format for consumer multimedia, that comes in both recordable and re-recordable media. - It has a capacity of 4 - 17 GB. 3) Is a standard for the attachment of external drives.

D) SATA 2.5 Everything else.....) A, B, C.

You just bought a new digital camera and want to increase the number of photographs it can hold. It has a full size flash memory bay. What type of memory card would you buy for it? A) Compact Flash (CF) B) Micro-SD card C) Mini-SD card D) SD (Secure Digital) card Correct Answer) This is a full-size type of memory card, used extensively in consumer digital imaging products such as digital still and video cameras and comes in three capacity variants. Everything else) 1) Is a smaller version of our correct answer, using the same capacity and speed designations. 2) Is the smallest version of our correct answer, using the same capacity and speed designations. 3) Was a very large card bigger than our correct answer. - It had speeds rated the same as CDs and held up to 256 GB.

D) SD card Everything else.....) C, B, A.

Where does the BitLocker encryption normally store its key? A) The drive lock setting menu B) The LoJack setting menu C) The system password setting menu D) The TPM module located on the motherboard Correct Answer) This is a chip on the computer's main inner body. - This is a hardware-based storage of digital certificates, keys, and hashed passwords. - Essentially, it functions as an embedded smart card. Everything else) 1) This is bundled with tracking software of the same name. - The software can also attempt to locate the laptop, either using GPS data if the laptop has a GPS chip or using information about nearby wireless networks. 2) This is a way to secure access to the disk specifically (rather than the PC generally) by configuring this exact required credential and storing it in the PC or this exact firmware. 3) This protects access to the system setup program by requiring THIS before entering the BIOS system. - The BIOS system IS what stores this in the motherboard firmware.

D) The TPM module located on the motherboard Everything else.....) B, A, C.

You are building a computer from spare parts in the office. You build the computer and realize you have several different types of RAM chips. Which of these is NOT a consideration so you do not have memory errors? A) The bus and clocks speeds are the same. B) The chip density is the same. C) The module rank is the same. D) The pin count is the same. Correct Answer) DDR comes packaged in 184-pin chips. - DDR2 & 3 have240 pins and both are keyed differently. - DDR4 has 288 pins. - When it comes to chip compatibility on a specific motherboard..... YEAH. Everything else) [T / F 1] SDRAM is synchronized to the system clock. - It has a 64-bit data bus and the installed RAM needs to match across the chips. [T / F 2] Most SDRAM and DDR RAM modules are configured with 8 or 16 chips. - Each chip has a size (or density) of either 64 MB or 32 MB. - Chips need to be the same type. [T / F 3] The memory controller on the motherboard supports only 1 rank. - Consequently, DIMM slots don't ever support dual rank modules - just a specific designated one.

D) The pin count is the same. [T / F 1] TRUE. [T / F 2] TRUE. [T / F 3] FALSE ( DIMM slots may not always support dual rank modules or may only support one dual rank module.)

A user reports their internet connection is not working. Which of these tools might you use to troubleshoot the problem? A) Crimpers B) Loopback plug C) Multimeter D) Tone generator and probe Correct Answer) This is used to trace a cable from one end to the other. This is the primary tool for testing for bad network cables. Everything else) 1) This is used to test a port. It involves connecting pin 1 to pin 3 and pin 2 to pin 6. 2) This can be used as a basic cable-testing tool by testing the continuity of copper wires inside the cables. - You would use this to identify broken wires. 3) This is used to fix a jack to a cable. - The wires are laid in the appropriate terminals in the jack and this tool itself then closes and seals the jack. - If you replaced a cable, you would also need this.

D) Tone generator and probe Everything else (in order)) B, C, A.

Which chipset passes 192 bits of data per "transaction?" A) DRAM (Dynamic RAM) B) Dual-channel C) Single-channel D) Triple-channel Correct Answer) This means there are three 64-bit bus channels between the CPU and RAM which can pass 192 bits of data per "transaction." Everything else) 1) Means that there is one 64-bit bus between the CPU and RAM per "transaction." 2) With this, there can effectively be two pathways through the bus to the CPU, meaning that 128 bits of data can be transferred per "transaction" rather than 64 bits. 3) This stores each data bit as an electrical charge within a single bit cell. - This is a type of memory and not a chipset.

D) Triple-channel Everything else.....) C, B, A.

Which of these is a connection used to connect peripheral devices to a computer? A) BNC (alternately Bayonet-Neill-Concelman, British Naval Connector, or Barrel Nut Connector) B) RG-6 C) RJ-11 D) USB Correct Answer) This has become the standard means of connecting peripheral devices to a computer. - It is an example of a multipurpose cable that can be used to attach a wide range of peripherals and storage devices. Everything else) 1) Is used with 2- or 3-pair UTP or with flat ribbon ""silver satin"" phone cables. Typically only one pair carries the dial tone and voice. 2) Is a coaxial cable that has a thicker core conductor for better signal quality and is often used as drop/patch cable for modern Cable Access TV (CATV) and broadband cable modems. 3) Is crimped to the ends of Coaxial (or coax) cable.

D) USB Everything else.....) C, B, A.

The USB 3.0 version is missing which type of connector? A) USB-A B) USB-B C) USB-B Micro D) USB-B Mini Correct Answer) This is a smaller connector for connection seen on early digital cameras but is no longer widely used. - There is NO version of this connector in USB 3.0. Everything else) 1) This is an updated connector for smaller devices, such as smartphones and tablets. - This connector is distinctively flatter than our correct answer's connector. 2) This is usually used for connecting to a host such as a computer. - The connector and port are shaped like flat rectangles. 3) This is used in connecting to a device such as a printer. - The connector and port are square, with a beveled top.

D) USB-B Mini Everything else (in order)) C, A, B.

Which type of new connector is defined by USB 3.1? A) Lightning B) Mini-USB C) RG-59 D) USB-C Correct Answer) This defines a new generation 24-pin connector type. - The connector is reversible, meaning it can be inserted either way up, just like that of (3). Everything else) 1) Is a smaller connector for connection to a device. This type of connector was seen on early digital cameras but is no longer widely used. 2) Is a coaxial cable that has a thinner core conductor and was used as drop cable for older CATV/cable modem installs and is also used for CCTV. cabling. 3) Apple's iPhone and iPad mobile devices use this proprietary 8-pinport and connector, which is also known to be reversible (can be inserted either way up), similar to that of our correct answer.

D) USB-C Everything else (in order)) B, C, A.

Which of these does NOT relate to a serial port? A) DB9 B) DB25 C) RS232 (Recommended Standard #232) D) VESA Correct Answer) Is an organization largely representing PC graphics adapter and display technology companies. - It created the DisplayPort standard. Everything else) 1) Is a cheaper 9-pin D-shell male port used by PC manufacturers in place of the connector (2) is known as. 2) Is the specified 25-pin hardware D-shell interface connector in the standard (3) is known as. 3) Is the standard for the serial port used on earlier computers and supports data rates up to about 115 Kbps only. Serial ports are generally associated with connecting external modems, used to establish dial-up Internet connections.

D) VESA Otherwise (in order)) A, B, C.

IBM created which of these video connections? A) DVI (Digital Visual Interface) B) HDMI (High Definition Multimedia Interface) C) VESA D) VGA (Video Graphics Array) Correct Answer) - It is also known as HD15F/DE-15. - It is a legacy analog video interface for PC devices invented by IBM. - Many graphics adapters and display screens continue to support it. Everything else) 1) Is a high quality digital interface designed for flat-panel display equipment. 2) Is the most widely used graphic device interface. - It is ubiquitous on consumer electronics, such as televisions and Blu-Ray players. 3) DisplayPort was developed by this very organization, that which largely representing PC graphics adapter and display technology companies. - It is a royalty-free standard intended to "complement" (2).

D) VGA (Video Graphics Array) Otherwise (in order)) A, B, C.

If you were choosing a Central Processing Unit (CPU) for your new PC that needs to run many virtual machines, which CPU technology would you need? A) Hyper-threading technology B) Multicore central processing unit C) Single-core central processing unit D) Virtualization processor extensions Correct Answer) This software allows a single computer to run multiple operating systems or Virtual Machines (VM). - Some types of CPUs provide extensions to support this software. Everything else) 1) This is a CPU technology that allows the threads (stream of instructions) to run through the CPU at the same time. - It duplicates many of the registers of the CPU. 2) These are still produced for the lowest budgets models, but most mainstream CPU models are now (3). 3) These are packages with 3, 4, 8, or more processors combined on the same die. - This type of CPU has two processors on the die.

D) Virtualization processor extensions Everything else....) A, C, B.

You upgraded the memory in your desktop computer by replacing two chips with one larger chip and now have memory errors. What could be the issue? A) The pin count on the chip does not match the motherboard. B) You installed SODIMMs rather than DIMMs. C)Your motherboard is defective. D) Your motherboard needs both banks in a channel to have a chip installed. Correct Answer) Most motherboards have multiple channels (i.e.: slots) for this component and specify how they need to filled with it, usually in pairs. - This should narrow things down for you. Everything else) 1) This worked with no issues before you installed the new chips. - You would not expect this to be defective. 2) This wouldn't be physically possible if this component doesn't match up with that of the motherboard, when regarding this feature. 3) This a type of memory found in laptops only. - You would not be able to install this type into your desktop, which counts this out indefinitely.

D) Your motherboard needs both banks in a channel to have a chip installed. Everything else) Won't work. 1) C 2) A 3) B

You want to build a small form factor (SFF) PC. What type of motherboard is often used in these types of computers? A) ATX (Advanced Technology Extended) B) ITX C) mATX (Micro-ATX) D) mITX (Mini-ITX) Correct Answer) Small Form Factor (SFF) PCs often use this form factor from VIA. - The specification here is a 6.7" (170x170mm) square board. - It has ONLY one expansion slot. Everything else) 1) This specification was developed by Intel in 1995 to provide a new design for PC motherboards, updating the previous __ form factor. - These boards are 12" wide by 9.6" (or 305x244mm) deep. 2) This standard specifies a 9.6" (244x244mm) square board. - It also has fewer expansion slots (up to 4 compared to a maximum of 7 for full-sized boards). 3) VIA Technologies released a reference design for this to promote the low power C3 processor. - These boards are usually 8.4" wide by 7.5" (215mm x 191mm) deep.

D) mITX (Mini-ITX) Everything else) 1) A 2) C 3) B

You have an old Olympus digital camera and want to expand its external storage. What type of flash card would you expect to need? A) Compact Flash B) Mini-SD card C) SD (Secure Digital) card D) xD Correct Answer) This was a format used on Olympus cameras but has been discontinued. Everything else) 1) This is a full-size type of memory card, used extensively in consumer digital imaging products such as digital still and video cameras and comes in three capacity variants. - It is smaller in size than (3). 2) Is a smaller version of (1), using the same capacity and speed designations. 3) This was a very large card, bigger than (1). - It had speeds rated the same as CDs and could support 512 GB though no cards larger than 256 GB were made.

D) xD Everything else.....) C, B, A.