PC Pro A+ Practice Questions Missed
· A customer would like you to install a high-end video card suitable for gaming. · Which of the following should the installation and configuration include? (Select three.) · Link the integrated graphics to the new high-end video card using the bridge clip. · Install new the video drivers from CD and then install updated drivers from the internet. · Add additional RAM to your computer to accommodate the new card's demands. · Disable the integrated graphics in all cases so that they do not interfere with the new video card. · Configure the PC to use the integrated graphics if available and needed. · Disable power to the integrated graphics. · Ensure that the video card is compatible with the expansion slot.
- Install new the video drivers from CD and then install updated drivers from the internet. - Configure the PC to use the integrated graphics if available and needed. - Ensure that the video card is compatible with the expansion slot.
1. First developed to store digital music. Later, it was adapted to store digital computer data. 2. Can be written, read many times, erased, and rewritten. It has a capacity of about 650 MB. 3. Single-sided discs can hold about 4.7 GB of data. Dual-layer discs can hold up to 8.5 GB of data. 4. Dual-layer version employs two recordable dye layers, each capable of storing data. 5. Uses blue laser light, which has a short wavelength, allowing data to be packed more tightly onto the disc. 6. Was originally developed for high definition video (and expanded content on movie discs), but can also be used for data storage. Compact Disc (CD) Compact Disc - ReWritable (CD-RW) Digital Versatile Disc - ReWritable (DVD-RW) Digital Versatile Disc (DVD) Blu-ray Disc (BD) Blu-ray Disc-Recordable (BD-RE)
1. Compact Disc (CD) 2. Compact Disc - ReWritable (CD-RW) 3. Digital Versatile Disc (DVD) 4. Digital Versatile Disc-ReWritable (DVD-RW) 5. Blu-ray Disc-Recordable (BD-RE) 6. Blu-ray Disc (BD)
Match each video card type on the left with the appropriate characteristics on the right. Each video card type is used more than once. 1. Are installed in an expansion slot on the motherboard. 2. Have a GPU and a dedicated high-speed video memory bank. 3. Are more powerful and more expensive. 4. GPU is integrated with another hardware component, such as a motherboard or CPU. 5. Share system memory for graphic processing. 6. Are much cheaper and less powerful. Dedicated Video Cards Integrated Video Cards
1. Dedicated Video Cards 2. Dedicated Video Cards 3. Dedicated Video Cards 4. Integrated Video Cards 5. Integrated Video Cards 6. Integrated Video Cards
Match each fiber optic cable type on the left with the appropriate characteristics on the right. Each cable type may be used once, more than once, or not at all. 1. Data transfers through the core using more than one light ray. 2. The core diameter is around 10 microns. 3. Cable lengths can extend a great distance. 4. Cable lengths are limited in distance. Possible Answers: A. Single Mode B. Multi-Mode C. Dual-Mode
1. Multi-Mode 2. Single-Mode 3. Single-Mode 4. Multi-Mode
Which of the following are valid IPv6 addresses? (Select two.) 141:0:0:0:15:0:0:1 165.15.78.53.100.1 A82:5B67:7700:AH0A:446A:779F:FFE3:0091 343F:1EEE:ACDD:2034:1FF3:5012 6384:1319:7700:7631:446A:5511:8940:2552
141:0:0:0:15:0:0:1 6384:1319:7700:7631:446A:5511:8940:2552
Which of the following is the maximum transmission speed for Bluetooth v3 and v4 devices when using High Speed (HS) mode? 3 Mbps 48 Mbps 24 Mbps 1 Mbps
24 Mbps
Which of the following correctly describe the most common format for expressing IPv6 addresses? (Select two.) Binary numbers Decimal numbers 32 numbers, grouped using colons Hexadecimal numbers 128 numbers, grouped using colons
32 numbers, grouped using colons Hexadecimal numbers
Which wireless standard can stream data at a rate of up to 54 Mbps using a frequency of 5 GHz? 802.11n 802.11a 802.11g 802.11b
802.11a
Which of the following wireless networking standards uses a frequency of 5 GHz and supports data transmission speeds up to 2.6 Gbps? 802.11a 802.11n 802.11g 802.11ac 802.11b
802.11ac
You have been contacted by OsCorp to recommend a wireless internet solution. The wireless strategy must support a transmission range of 150 feet, use a frequency range of 2.4 GHz, and provide the highest possible transmission speeds. Which of the following wireless solutions should you recommend? 802.11a 802.11ac 802.11g 802.11b
802.11g
Which of the following BEST describes the purpose of a CPU socket? A CPU socket expands a computer's functionality, much like a video card, network card, or sound card. A CPU socket is a single connector between a microprocessor and the motherboard. A CPU socket allows the connection of external devices, such as the monitor, speakers, keyboard, and mouse. A CPU socket allows computer memory (RAM) to be inserted in the computer.
A CPU socket is a single connector between a microprocessor and the motherboard.
Which type of embedded device microprocessor is custom designed to perform a specific function? SoC ASIC FPGA ARM
ASIC
Which of the following is the purpose of cache memory? Provides dual copies of data for dual processors. Allows a processor to access data more quickly. Allows data to be kept in memory even when the computer loses power. Provides fault tolerance.
Allows a processor to access data more quickly.
You have removed the bezel from a notebook display that has stopped functioning. You see a DC-to-AC power inverter at the base of the screen. Which of the following BEST describes the type of display that you are working with? An LED display that does not use backlighting. A plasma display that does not use backlighting. An LCD display that uses LEDs for backlighting. An LCD display that uses CCFL backlighting.
An LCD display that uses CCFL backlighting.
As the director of procurement for your company's Sales department, you are working with the IT manager and CIO to determine the technical requirements for purchasing new laptops for your sales representatives. The sales representatives often store a significant number of multimedia files (such as videos) on their laptops, which they use for customer education and demonstration purposes. They also want to boot their Windows operating system quickly. What would be the BEST price-performance purchasing decision when it comes to providing storage media for the new laptops for the sales representatives (based on their requests)? An HDD for both the operating system and multimedia files. An SSD for the operating system and an HDD for storing multimedia files. An SSD for both the operating system and the multimedia files. An HDD for the operating system with an external SSD for the multimedia files.
An SSD for the operating system and an HDD for storing multimedia files.
Which Blu-ray standard defines rewritable discs? BD-ROM BD-RE BD-R BD-R/RW
BD-RE
Which type of RAM might slow system performance because it holds memory addresses and data to improve stability on systems with more than 1 GB of RAM before being transferred to the memory controller? A. Unbuffered B. EEPROM C. Parity RAM D. Buffered
Buffered
You are purchasing a computer for a new administrative assistant in your company. Administrative assistants primarily uses word processing, spreadsheets, presentation software, and a web browser to complete their job assignments. Which of the following BEST describes the reason to choose unbuffered instead of buffered memory for this new computer? A. Buffered memory is less expensive and slower than unbuffered memory. B. Buffered memory is faster and more reliable than unbuffered memory. C. Buffered memory is faster and less reliable than unbuffered memory. D. Buffered memory is more expensive and slower than unbuffered memory.
Buffered memory is more expensive and slower than unbuffered memory.
Which of the following technologies does the 802.11ac wireless networking standard use to provide increased bandwidth and communication speeds? (Select two.) OFDM modulation to allow several parallel data channels to stream data. Peer-to-peer mode to allow each host to communicate directly with other hosts. Channel bonding to combine more channels in the 5 GHz band to allow more than double the bandwidth. MU-MIMO to allow multiple users to access the same channel. Dual-band transmission to allow data to be transmitted at two frequencies at the same time.
Channel bonding to combine more channels in the 5 GHz band to allow more than double the bandwidth. MU-MIMO to allow multiple users to access the same channel.
The hard drive (HDD) you are installing in a PC is the boot drive with the operating system on it. You want to make sure that the BIOS recognizes this HDD as the boot drive without the need to configure it as the boot drive in BIOS. Which of the following should you do to make sure the HDD is recognized as the boot drive automatically? Connect the HDD to the lowest numbered power supply connector. Connect the HDD to the highest numbered SATA connector on the motherboard. Connect the HDD to the motherboard using a SATA data cable designed for boot drives. Connect the HDD to the lowest numbered SATA connector on the motherboard.
Connect the HDD to the lowest numbered SATA connector on the motherboard.
You are in the process of installing a new motherboard in your workstation. You have already installed the CPU, heat sink, and memory. You have inserted the I/O shield into the case, fastened the standoffs to the case, and attached the motherboard to the standoffs. You are now ready to complete the installation. Connect the wires for the front/top panel ports. Document the settings of the new motherboard. Connect your drives to the SATA connectors. Connect the power and accessory cables. Install additional devices in the expansion slots.
Connect the power and accessory cables. Connect your drives to the SATA connectors. Install additional devices in the expansion slots. Connect the wires for the front/top panel ports. Document the settings of the new motherboard.
Which of the following are IoT systems that work together to make communication between two endpoints possible? (Select two.) Middleware Access gateway Data storage Gateway system Wi-Fi
Data storage Gateway system
Which component in a laser printer applies toner to the drum, causing the toner to stick to the charged areas on the drum? Secondary corona Fuser Developing roller Primary corona
Developing roller
Which of the following components is the latest non-volatile memory technology for saving system settings when the computer is powered off? BIOS password CMOS chips CMOS battery EEPROM chips
EEPROM chips
Which of the following describes an IPv6 address? (Select two.) Eight hexadecimal quartets 64-bit address 32-bit address 128-bit address Four decimal octets
Eight hexadecimal quartets 128-bit address
Which of the following is a valid IPv6 address? FEC0:9087:AB04:9900:7GA2:7788:CEDF:349A FEC0:AB04:899A FEC0:AB98::A7::9845:4567 FEC0::AB:9007 199.12.254.11
FEC0::AB:9007
Fused deposition modeling (FDM) is a 3D printing method that is often used in entry-level desktop 3D printing. Which of the following components does the FDM method use to create a three-dimensional object? (Select two.) Liquid resin Filament thread Extruder assembly Ultraviolet light Vat with moveable platform
Filament thread Extruder assembly
You have been using the same computer for several years. To improve performance, you decide to upgrade the processor. You check the motherboard documentation and purchase the fastest processor that is supported by the motherboard. However, when you try to start the computer, it beeps regularly, and nothing is displayed on the screen. Replace the motherboard. Flash the UEFI firmware. Press F8 while booting the computer. Replace the CPU with a new one. Reinstall the old processor in the motherboard.
Flash the UEFI firmware. Reinstall the old processor in the motherboard.
One of the video editors in your company is worried that they could lose a lot of data if their hard drive fails. They have asked you to come up with a solution. To do this, you have decided to implement a RAID 10 solution on their desktop workstation. Which of the following is the MINIMUM number of hard disks that you can use? Two Three Four Five Six
Four
You are using a crimper to attach an RJ-45 connector to a Cat 6 UTP cable. You need to use the T568A standard to connect the individual wires to the connector. Which wire should you connect to pin 1? A. Green with white B. Blue C. Orange with white D. Green
Green with white
You are configuring a new system, and you want to use a RAID 0 array for the operating system using SATA disks and a special controller card that includes a RAID processor. Which RAID method should you use? Operating system Software Correct Answer: Hardware Incorrect answer: JBOD
Hardware
Which of the following protocols is used by an email client to retrieve messages from an email server, giving users the option to keep mail messages on the server? NTP SMTP IMAP POP3
IMAP
Which of the following statements about Dynamic Host Configuration Protocol (DHCP) are true? (Select two.) It can deliver a DNS server address in addition to the host IP address. A workstation must request addressing information from a DHCP server. The DHCP server detects workstations when they attach to the network and automatically delivers IP addressing information to them. It cannot be configured to assign the same IP address to the same host each time it boots. It can only deliver IP addresses to hosts.
It can deliver a DNS server address in addition to the host IP address. A workstation must request addressing information from a DHCP server.
Which of the following are characteristics of a coaxial network cable? (Select two.) A. It is totally immune to electromagnetic interference (EMI). B. It has a conductor made from copper in the center. C. It uses two concentric metallic conductors. D. It has conductors that are twisted around each other to eliminate crosstalk. E. It is made of plastic or glass in the center.
It has a conductor made from copper in the center. It uses two concentric metallic conductors.
Which statements are true of processor caches? (Select two.) L3 is shared between all cores. A processor with L2 cache performs better than a processor with L3 cache (all else being equal). L1 is the largest type of cache. L3 cache is typically on the motherboard. L1 is typically unique to a processor core.
L3 is shared between all cores. L1 is typically unique to a processor core.
A technician must press a cable connector's locking tab to remove a faulty fiber optic network cable. The cable connector is designed with two connector ends. Which of the following fiber connector types is the cable using? A. RJ-45 B. ST C. RJ-11 D. LC
LC
Which algorithm is used by an Application layer load balancer? Source IP hash Round robin Weighted least connections Least pending request
Least pending request
Which of the following battery types is the Most expensive? A. Lead-Acid B. Nickel Metal Hydride (NiMH) C. Nickel Cadmium (NiCad) D. Lithium Ion (Li-Ion)
Lithium Ion (Li-Ion)
Which of the following battery types offers the greatest storage capacity in the smallest amount of space? A. Carbon B. Lithium Ion (Li-Ion) C. Nickel Metal Hydride (NiMH) D. Nikel Cadmium (NiCad)
Lithium Ion (Li-Ion)
A sales person requires that a large number of document, data, presentation, image, and video files be accessible on their personal mobile device when making sales pitches to new customers. A cloud solution is not feasible since cellular and internet connections are not always guaranteed at a customer site. Which of the following accessories would a technician suggest to BEST meet the sales person's requirements? Micro SD card Wireless hotspot Docking station Credit card reader
Micro SD Card
Which of the following motherboard form factors BEST allows for low-consumption power supplies? Micro-ATX NLX EATX Mini-ITX
Mini-ITX
Paul has just joined your company as a sales rep in the sales department. He is in the process of purchasing a laptop computer for work use. You have heard that some types of RAM are better than others. Which of the following types of RAM would BEST meet the needs of Paul's new computer? A. ECC memory, as it will increase the computer's performance. B. ECC memory, as it less expensive than non-ECC memory. C. Non-ECC memory, as it is less expensive and parity is not required. D. Non-ECC memory, as it is less expensive and more reliable than ECC memory.
Non-ECC memory, as it is less expensive and parity is not required
You have been having trouble with your laptop crashing. You would like your computer to create a memory dump file when it crashes. Where should you place the paging file? A. Split between two storage devices B. On a USB flash device C. On a drive other than where the operating system files are stored D. On the system volume
On the system volume
Which of the following tasks would you complete as part of a normal SATA installation using a recently purchased motherboard? Complete a low-level format of the drive. Plug the 15-pin power connector into the SATA drive. Set the Master/Slave relationship using a jumper. Configure the device ID using a jumper. Use the 4-pin Molex power connector.
Plug the 15-pin power connector into the SATA drive.
Which component in a laser printer prepares the photosensitive drum for writing by causing the drum to receive a negative electrostatic charge? Fuser Primary corona Organic photoconductor (OPC) drum Transfer corona
Primary corona
To fix a problem you are having with your PC, you have determined that you must flash the computer's BIOS. Which of the following would MOST likely need to be completed prior to flashing the BIOS? (Select two.) Properly identify the motherboard. Test the memory to ensure that it is functioning properly. Create a backup of the hard disk in the event of a failure. Locate the flash utility or tool that was shipped with your computer. Download the flash utility or tool from the manufacturer's website.
Properly identify the motherboard. Download the flash utility or tool from the manufacturer's website.
You are in the process of building a new computer. You would like to configure your computer to use Crossfire to improve performance when playing your favorite game. Which of the following should be part of the configuration process? Purchase a video card that supports HDCP. Purchase a video card that supports the DVI standards. Purchase a video card that supports the HDMI standards. Purchase two identical video cards.
Purchase two identical video cards.
You are building a new computer that will contain two hard disks. To provide increased performance, you have decided to configure the drives using RAID technology. Which of the following will BEST meet your needs? RAID 0 RAID 1 RAID 2 RAID 5
RAID 0
You have been asked to configure the drives in a computer. The end user wants to use striping without incorporating any fault tolerance. Which of the following will BEST meet these requirements? RAID 0 RAID 1 RAID 5 Expanded volume set
RAID 0
Jessica is concerned about losing data due to a hard disk failure. Her computer will only support a maximum of three disks. To protect her data, she has decided to use RAID (Redundant Array of Independent Disks). Which of the following RAID types would give Jessica the BEST mirrored data protection? RAID 0 RAID 1 RAID 5 RAID 10
RAID 1
One of your customers wants you to build a personal server that he can use in his home. One of his concerns is making sure that he has at least one data backup stored on the server in the event that a disk fails. You have decided to back up his data using RAID. Since this server is for personal use only, the customer wants to keep costs down. Therefore, he would like to keep the number of drives to a minimum. Which of the following RAID systems would BEST meet the customer's specifications? RAID 0 RAID 1 RAID 5 RAID 10
RAID 1
What is an advantage of RAID 5 over RAID 1? RAID 5 improves performance over RAID 1. RAID 5 provides redundancy for the disk controller. RAID 5 provides redundancy; RAID 1 does not. RAID 5 continues to operate with a failure in two disks. RAID 1 can only operate with a failure of one disk.
RAID 5 improves performance over RAID 1.
Which protocol is used to send email messages from a mail client to a mail server? IMAP POP3 SMTP FTP SNMP
SMTP
Which of the following is the slowest RAID method implementation? Software Operating system Mirrored Hardware
Software
Which of the following are benefits UEFI provides that BIOS does not? (Select three.) Supports drives larger than 2.2 TB. Does not need to be flashed as frequently. Provides non-volatile storage of system startup information. Supports 64-bit firmware device drivers. Allows individual bytes to be erased and reprogrammed. Faster startup times.
Supports drives larger than 2.2 TB. Supports 64-bit firmware device drivers. Faster startup times.
Which of the following actions occur during the Pre-EFI Initialization (PEI) stage of the UEFI boot process? (Select two.) The EFI boot manager initializes. Device drivers are loaded into memory. The CPU and chipset are verified and fully initialized. System memory is initialized, verified, and allocated. Power is supplied to the CPU.
The CPU and chipset are verified and fully initialized. System memory is initialized, verified, and allocated.
A technician is tasked with replacing an internal laptop hard drive. Which of the following hard drive standards is of MOST concern when selecting a replacement that is compatible with the laptop? The hard drive's storage capacity The hard drive's form factor The hard drive's read and write speeds The hard drive's minimum voltage requirements
The Hard Drives form factor.
Which of the following BEST describes the south bridge chipset? The chip that controls all of the computer's I/O functions. The chip that controls all accelerated graphics port (AGP) activities. The chip that controls the memory. The chip that controls the processor. The chip that controls the Peripheral Component Interconnect (PCI) bus. The chip that controls the Peripheral Component Interconnect (PCI) Express slots.
The chip that controls all of the computer's I/O functions.
Which of the following BEST describes the purpose of the north bridge chipset? The chip that controls all of the USB ports. The chip that controls the PCI bus. The chip that controls the system BIOS. The chip that controls the audio.
The chip that controls the PCI bus.
You want to enable the Execute Disable Bit (EDB) setting in your BIOS/UEFI to help reduce your system's exposure to viruses and malicious code. Which of the following are requirements for your system to use EDB? (Select two.) The motherboard must support EDB. Memory (RAM) must be EDB-capable. The bus on the motherboard must support EDB. The operating system must support EDB. The processor must be EDB-capable.
The operating system must support EDB. The processor must be EDB-capable.
When a presenter at a conference connects a laptop to a projector, the projector mirrors the laptop's display. The presenter wants to extend the laptop's desktop instead. Which of the following options is the QUICKEST way to make the change? Select the proper video source from the projector's settings menu. Change the dual display settings in the operating system's Control Panel. Toggle the dual display function key on the laptop. Disconnect and reconnect the laptop to the projector.
Toggle the dual display function key on the laptop.
Which component in a laser printer charges the paper to attract toner? Fuser Drum Transfer roller Primary corona
Transfer roller
You are a software developer, and you're creating a multimedia streaming application. Data will be streamed from your streaming server to clients over IP networks. Which transport protocol should your application use to send data between the clients and the server? SNMP ICMP UDP TCP
UDP
Stereolithography (SLA) is considered the first 3D printing process. Which of the following components does SLA use to create a three-dimensional object? (Select two.) Moveable printhead Ultraviolet light Extruder assembly Filament thread Liquid resin
Ultraviolet light Liquid resin
Your computer currently uses a 5,400 RPM hard disk. You want to improve your computer's overall performance by optimizing your hard disk performance. Which of the following would be the MOST effective means to optimize your hard disk performance? (Select two.) Upgrade your hard disk interface to SATA 2. Upgrade your hard disk interface to eSATAp. Upgrade to a 10,000 RPM hard disk. Implement RAID 0 on the current hard disk. Upgrade to a 7,200 RPM hard disk. Upgrade your hard disk interface to SATA 3.
Upgrade to a 10,000 RPM hard disk. Upgrade your hard disk interface to SATA 3.
Which of the following is another name for the paging file? A. Random access memory B. Virtual memory C. Extended memory D. Upper memory
Virtual Memory
Annette has purchased a new external DVD drive to use with her PC. She inserts a DVD into the drive and, after several seconds, she receives an error message indicating that the drive is not accessible. What is the FIRST thing Annette should do to try to resolve the issue? Check Device Manager to make sure that the DVD drive is listed. Wait a few seconds and try accessing the DVD again. Eject the DVD from the drive and then re-insert the DVD. Unplug the drive from the PC and then plug the drive back in again.
Wait a few seconds and try accessing the DVD again.
How do switches and bridges learn where devices are located on a network? When a data packet enters a port, the source IP address is copied from the data packet header. When a data packet enters a port, the destination IP address is copied from the data packet header. When a data packet enters a port, the source MAC address is copied from the data packet header. When a data packet enters a port, the destination MAC address is copied from the data packet header.
When a data packet enters a port, the source MAC address is copied from the data packet header.
Which of the following are true when working with dual-, triple-, and quad-channel memory module sets? (Select two.) You can mix modules with different capacities within a set. You need to install memory modules next to each other in a set. You should use the same capacity modules for a set. You must install modules in matching sets (capacity and speed). You can assign memory slots to memory modules in BIOS/UEFI.
You should use the same capacity modules for a set You must install modules in matching sets (capacity and speed)
Joseph has started using virtual machines (VMs) to help his software development process. As the number of VMs has increased, Joseph has noticed that his hard drive is almost full. He would like you to buy and connect an external hard drive where additional VMs can be stored. When the drive arrives, you find it has the type of connector shown in the image below. Which type of connector is on the external hard drive? A. VHDC SCSI B. SATA C. SCSI D. eSATA
eSATA
Which of the following external hard drive cable connectors are hot-pluggable? (2) A. iSCSI B. SAS C. SCSI D. IDE E. eSATA
iSCSI SAS
