comptia a+ study guide part 2
What amount of charge is applied to the paper by the transfer charging roller or corona wire?
+ 600 volts
What is the maximum cable length of a FireWire 800 cable?
100 meters
How many pins are on a SODIMM memory module?
144
What is the maximum length recommended for DVI cables that can be used with display resolution 1280 × 1024 or lower?
15 meters
Which of the following is a valid IP address assigned through APIPA?
169.254.1.221
What is the maximum capacity of a double-sided, dual-layer DVD+R disc?
17.1 GB
What is the maximum capacity of a SDXC memory card?
2 TB
Which of the following is the default port for File Transport Protocol (FTP)?
21
A new video card needs a 600 watt power supply. How many pins should the power supply have on the main cable?
24
How many pins are available in DDR2 SDRAM?
240
You need to connect a PC through RDP. Which of the following ports must be open to accomplish the task?
3389
You want to ensure that a certain data stream receives guaranteed bandwidth. What level of QoS should you specify in the SLA?
5
How many pins are available on a PS/2 mini-DIN connector?
6
Joseph works as a web designer for WebTech Inc. He has set up a Web server to host HTTP requests. What is the default port for HTTP?
80
Which of the following is a VGA/SVGA port?
A 15-pin, three rows, female connector
What can be used at the check-in desk of a doctor's office to prevent patients from viewing confidential information?
A privacy filter
Which of the following is the most secure among the following encryption algorithms?
AES
What is another term for a cluster?
Allocation unit
You work as technician for Tech World Inc. The company has a TCP/IP-based network. You have to install a laser printer on the network. In which of the following environments will you prefer to place the printer? Each correct answer represents a complete solution. Choose two.
An area with a high level of humidity A well-ventilated space
VGA-based video technologies use what type of signal between the adapter and monitor?
Analog
You're configuring an IPv6 client on your network. Which of the following are valid ways to assign the interface ID portion of the IP address to the network card? (Choose three.)
Assign a random address. Configure the address manually. Obtain the address from a DHCPv6 server.
Which of the following global navigation satellite systems has 35 number of active satellites for navigation?
BDS
You need to set up a new system with basic boot priorities, voltage parameters for the processor, and SATA options. Which of the following will you configure?
BIOS
You work as network administrator for Richardson Network Solutions Inc. The company has Linux workstations in its network. Sofia, a sales manager, complains that whenever she boots her computer, she needs to reconfigure the date and time. You replace her computer's battery. Which of the following will be required to be reconfigured after replacing the battery?
BIOS
Which LCD component is responsible for providing brightness?
Backlight
Which of the following devices can be used in place of a keyboard so that large amounts of information do not need to be entered by hand?
Barcode reader
You're connecting AT power supply to a motherboard. Which color wires of the power connector will be set adjacent to each other on the motherboard?
Black to black
Which of the following is true of the refresh rate of a monitor?
Both the monitor and graphics adapter must be correctly identifiable in the operating system by using the correct drivers.
How is a resolution with a 16:10 denoted in the names of the specifications?
By the letter W at the beginning of the name
Which of the following are set up with specific hardware and software that can control machine tools found in manufacturing environments?
CAM workstations
Which of the following is the first critical component that a failed motherboard battery directly affects?
CMOS chip
The output of a dot-matrix printer is typically measured in what?
CPS
You want to enhance the performance of virtualization workstation that provides a comprehensive virtual environment for users. Which of the following components need to be maximized?
CPU cores RAM
Several users at your company are complaining about eyestrain from using the computer all day. What should you do?
Change the contrast settings.
Which of the following IP class addresses is reserved for APIPA (Automatic Private IP Addressing)?
Class B IP address
You work as network administrator for Tech Perfect Inc. The company has a Windows-based network. The network consists of a network projector. Sofia, the sales manager, needs to use the projector to deliver a presentation to her staff. She has a laptop that runs Windows 7. Which of the following steps will she take to accomplish this task? Each correct answer represents a part of the solution. Choose two.
Create an ad-hoc network from Network and Sharing Center. Run DisplaySwitch.exe.
You find that your system is performing slow and taking long time in opening large database files placed on the local hard drive. Which of the following tools will you use to resolve the issue?
DEFRAG
Which video technology supports both analog and digital signals, each requiring a cable with different connectors from the other?
DVI
Which of the following is the best way to increase the security of your wireless network?
Disable SSID broadcasts.
Garbage printing is reported by a user on a network printer. As a technician, what should you check first?
Driver compatibility
Which of the following is not a consideration when installing an internal storage device?
Due to the high revolutions at which modern hard drives spin, you must secure an external power source because the internal power supplies do not have the capacity.
You're selecting RAM for a new PC. You are very concerned about making sure errors are handled. Which of the following types of RAM should you select?
ECC RAM
Which of the following standards would you want to use if you need high-bandwidth network communications?
Ethernet
What does FRU stand for?
Field replaceable unit
In laptops, to access the alternate purpose of a dual-purpose key, you press the desired key while holding down which key?
Fn
Which type of fan is used to bring fresh, cool air into the computer for cooling purposes?
Front intake fan
You're attempting to fix a laser printer. During printing, the toner does not seem to be placed on the paper. Which assembly is responsible for permanently pressing the toner into the paper?
Fuser
Which of the following is connected to multiple computing devices for storing videos, music, and pictures, and providing central access to all stored files with other computing devices?
Home server PC
Which of the following improves parallelization of computations (doing multiple tasks at once) performed on microprocessors?
Hyperthreading
Which of the following storage types have movable parts? Each correct answer represents a complete solution. Choose all that apply.
IDE hard drive DVD-RW Tape
Which of the following is the IEEE standard for Ethernet?
IEEE 802.3
Which of the following can help you to improve the sharpness of display quality?
Increasing the refresh rate
Which of the following statements are true of WPA? Each correct answer represents a complete solution. Choose two.
It introduced message integrity checking. It provides better security than WEP.
Which of the following statements are true of SSID?
It is the name of a wireless local area network (WLAN). It is a sequence of alphanumeric characters.
Which of the following statements are true about the DVI-D? Each correct answer represents a complete solution. Choose three.
Its single link connector contains 18 pins. Its dual link connector contains 24 pins. It is used only for digital signal connections.
John, a technician, needs to allow multiple PCs to share a common display, keyboard, and mouse. Which of the following devices will he use?
KVM switch
You work as technician for Tech Perfect Inc. You need to allow multiple PCs to share a common display, keyboard, and mouse. Which of the following devices will you use?
KVM switch
Which of the following is not applied as a preventive maintenance act for display devices of computers?
Keeping them defragmented.
Which of the following display types uses either Twisted Nematic (TN) or In-Plane Switching (IPS) technology?
LCD
You've enabled Bluetooth connectivity on your mobile device to transfer an audio file to another mobile device. Which of the following steps will you perform before entering the device passcode?
Locate and select the Bluetooth device. Turn on the Bluetooth device.
Which of the following features makes an e-Reader different from a modern tablet? Each correct answer represents a complete solution. Choose all that apply.
Longer battery life Better backlighting for reading in the dark
Which of the following are the advantages of magnetic drives over solid state drives? Each correct answer represents a complete solution. Choose two.
Lower cost Higher number of write/erase cycles
Which of the following is a requirement for virtualization workstations?
Maximum RAM and CPU cores
What kind of cables use either a BNC connector or an RJ-45 connector?
Network cable
Which of the following is a component of the chipset that controls the system memory and the AGP video ports?
Northbridge
In which network design do users access resources from other workstations rather than from a central location?
Peer-to-peer
You work as technician for Blue Well Inc. A user reports that his computer is rebooting every now and then. You suspect that there might be an overheating problem. You open the CPU and discover that there is a gap between the microprocessor and its heat sink. What will you do to resolve the issue?
Place the thermal compound between the heat sink and the microprocessor.
What is the physical component where data is stored in a hard disk drive (HDD)?
Platter
Jennifer sends four print jobs to a printer. She finds a blank page between each print job. What is the most likely cause of the issue?
Print spooler setting
A storage administrator needs to select the appropriate RAID level that can recover the lost data if the server's hard drive crashes. Which of the following RAID levels provide fault tolerance to a database?
RAID 1 RAID 5 RAID 10
Which of the following types of connectors are used for unshielded twisted-pair connections? Each correct answer represents a complete solution. Choose two.
RJ-11 RJ-45
Which of the following connectors uses the four pairs of wires?
RJ-45
You're creating a network for an office. You need to connect two office buildings that are approximately 900 meters apart. You have been asked to provide a fast network backbone. Which of the following types of cable will you choose to connect those buildings?
SMF
Why is a RAID array required for a home server PC?
Single drives have trouble growing with the server.
Which of the following is not a requirement for a home server PC?
TV tuner
Which of the following devices also works as a video capture card?
TV tuner card
Minsuh prints a document by using a laser printer. She finds that the printed characters on the paper are blurred because the toner has spread over it. What is the most likely cause of the issue?
The fuser roller is not heated properly.
John works as software engineer in Honeywell Inc. He has Windows 8 installed on his computer. An inkjet printer is directly attached to his computer. John complains to technical support executive that whenever he tries to print a document, the hard disk starts thrashing and the document does not print. However, this problem does not occur when he attaches the printer to another computer and uses the print command. What is the most likely cause of the issue?
The hard disk space for spooling is insufficient.
Your customer is using Windows Vista and complains about the quality of picture he is getting on his monitor. You find that you cannot adjust the refresh rate or the resolution. What is the most likely cause?
The video card is not recognized by Windows.
What type of printer can use ink that comes in a wax form?
Thermal
Which of the following is a standard computer that can access resources locally as well as from servers but requires no specialized enhancements?
Thick client
Which of the following statements are true of satellite broadband Internet access? Each correct answer represents a complete solution. Choose two.
This type of internet access has high latency compared to other broadband services. It is among the most expensive way of gaining broadband Internet access.
You plugged in an external projector but no image appears when you turn the projector on. What do you need to do?
Toggle the laptop display with the video function key.
What is the component called that stores the material that ends up printed to the page in a laser printer?
Toner cartridge
Which of the following are the differences between USB 3.0 and USB 2.0? Each correct answer represents a complete solution. Choose two.
Unlike USB 2.0, USB 3.0 supports continuous bursting. Unlike USB 2.0, USB 3.0 supports dual simplex communication pathways.
A customer has come to you wanting to upgrade the video card in his laptop. What would you recommend?
Upgrade is not possible
Which of the following devices has its own BIOS?
Video adapter
Which of the following encryption methods secures wireless communications using the Temporal Key Integrity Protocol (TKIP)?
WPA
Which of the following is the most secure protocol used for encryption in a wireless network?
WPA2
Which of the following precautions should be taken to minimize the risk of damage to add-on cards and motherboard? Each correct answer represents a complete solution. Choose all that apply.
Wear an antistatic wrist strap when handling them. Keep water and liquids away from them. Keep them in antistatic bags.
Sofia works as your assistant. She is configuring a computer running Windows 8 to connect to a network. She needs to get IP information in the command prompt. She asks you about the usage and brief description of various switches used with a command. Which of the following command switches will you suggest her to get the required information of the command?
[command] /?
