A+ 902 Questions

Which of the following is most likely cause of a flickering LCD screen? a. a failing inverter b. a faulty driver c. a faulty driver card d. a crack in the LCD display Chapter 9: Understanding Laptops

a. a failing inverter

What does DIMM stand for? a. data inside memory module b. direct inline memory module c. dual inline memory module d. dual inline multiple module Chapter 1: Motherboards, Processors, and Memory

c. dual inline memory module

Which of the following authentication methods uses TKIP? a. WPA b. WPA2 c. WEP d. EAP Chapter 8: Installing Wireless and SOHO Networks

a. WPA

Which of the following cannot be the cause of paper jams in laser printers? a. worn pickup rollers b. worn exit rollers c. faulty toner d. moist paper Chapter 11: Installing and Configuring Printers

c. faulty toner

Which laser printer assembly is made up of rollers and a heating lamp? a. electronic control package b. transfer corona assembly c. fusing assembly d. toner cartridge Chapter 11: Installing and Configuring Printers

c. fusing assembly

Which of the following is a satellite based navigation system that provides location and time services? a. global navigation satellite systems b. google maps c. global positioning system d. galileo positioning system Chapter 10: Understanding Mobile Devices

c. global positioning system

Which of the following pointing devices works by sensing the user's finger movement and downward pressure? a. trackball b. point stick c. touchscreen d. touchpad Chapter 9: Understanding Laptops

d. touchpad

What is the maximum data transfer rate supported by a multimode fiber optic cable? a. 10 Gbit/s b. 10 Mbit/s c. 1000 Mbit/s d. 100 Gbit/s Chapter 6: Networking Fundamentals

a. 10 Gbit/s

What is the maximum data transfer rate supported by USB 1.1? a. 12 Mbps b. 200 Mbps c. 100 Mbps d. 50 Mbps Chapter 3: Peripherals and Expansion

a. 12 Mbps

How many bits does IPv6 use in an IP address? a. 128 bits b. 64 bits c. 32 bits d. 40 bits Chapter 7: Introduction to TCP/IP

a. 128 bits

SATA has a data transfer rate of up to _______. a. 150 MB/sec b. 100 MB/sec c. 50 MB/sec d. 400 MB/sec e. 100 MB/sec Chapter 2: Storage Devices and Power Supplies

a. 150 MB/sec

A DIMM has ______ pins. a. 168 b. 72 c. 30 d. 80 Chapter 1: Motherboards, Processors, and Memory

a. 168

How many bits are used in an IPv4 address? a. 32 b. 128 c. 64 d. 42 Chapter 7: Introduction to TCP/IP

a. 32

Which of the following port numbers is being used by the LDAP protocol? a. 389 b. 25 c. 21 d. 80 Chapter 7: Introduction to TCP/IP

a. 389

How many devices can be daisy-chained to an IEEE 1394 port? a. 63 b. 50 c. 25 d. 12 Chapter 3: Peripherals and Expansion

a. 63

Which of the following standards defines WPA2 authentication in wireless communication? a. 802.11i b. 802.11a c. 802.11g d. 802.11h Chapter 8: Installing Wireless and SOHO Networks

a. 802.11i

The _____ connector is used to connect a 10base2 cable network to the network interface card (NIC). a. BNC b. RJ-45 c. AUI d. RJ-59 Chapter 6: Networking Fundamentals

a. BNC

Which of the following is a parallel computing architecture for breaking down larger processing tasks into smaller tasks and processing them simultaneously on a GPU? a. CUDA b. SR-IOV c. CGA d. DirectX Chapter 5: Custom Configurations

a. CUDA

Which of the following input device connectors supports the maximum transfer speed of 800 Mbps? a. Firewire b. USB c. Mini-DIN d. D-subminiature Chapter 3: Peripherals and Expansion

a. Firewire

Which of the following color codes is used for the PS/2 mouse port on a computer? a. Green b. Brown c. Purple d. Blue Chapter 3: Peripherals and Expansion

a. Green

SATA is an interface for connecting the ______ to a computer. a. Hard disk drive b. Printer c. Mouse d. Scanner Chapter 2: Storage Devices and Power Supplies

a. Hard disk drive

Which of the following ports is known as FireWire 800? a. IEEE 1394b b. IEEE 1394 c. USB d. IEEE 1284 Chapter 3: Peripherals and Expansion

a. IEEE 1394b

Which of the following wireless networking standards uses the Temporal Key Integrity Protocol (TKIP)? a. IEEE 802.11 b. TIA/EIA-41 c. IS-54 d. E.164 Chapter 8: Installing Wireless and SOHO Networks

a. IEEE 802.11

Which of the following is a smartphone with a display size between 5" and 7"? a. Phablet b. blackberry 6210 c. iphone d. ntt docomo Chapter 10: Understanding Mobile Devices

a. Phablet

Which of the following is the most common way to sync data from a mobile device to a computer? a. USB b. NFC c. Wi-Fi d. NIC Chapter 3: Peripherals and Expansion

a. USB

Which of the following motherboard designs is most commonly used? a. advanced technology extended (atx) b. new low-profile extended (NLX) c. balanced technology extended (BTX) d. micro atx Chapter 1: Motherboards, Processors, and Memory

a. advanced technology extended (atx)

What is the probably cause of display of image artifacts across the screen? a. driver or application software b. low refresh rate c. faulty video driver d. loose video card at socket Chapter 4: Display Devices

a. driver or application software

Which of the following provides the fastest internet connection? a. fiber b. cellular c. dsl d. isdn Chapter 8: Installing Wireless and SOHO Networks

a. fiber

Which of the following is the tablet that has a memory of 2MB internal RAM and runs the MS-DOS operating system? a. gridpad b. tablet PC c. ipad d. icontrolpad Chapter 10: Understanding Mobile Devices

a. gridpad

Which of the following specifications defines the Type A and Type B HDMI connectors? a. hdmi 1.0 b. hdmi 2.0 c. hdmi 3.0 d. hdmi 4.0 Chapter 3: Peripherals and Expansion

a. hdmi 1.0

Which of the following is the most common device used to cool a CPU? a. heat sink b. NIC c. modem d. hard drive Chapter 1: Motherboards, Processors, and Memory

a. heat sink

Which of the following systems allows a user to play music and watch movies and television? a. home theater system b. FAR system c. operating system d. file system Chapter 5: Custom Configurations

a. home theater system

Which of the following is used to make the backlight of LCD's visible to the user? a. liquid crystal layer b. solid crystal layer c. application vision layer d. cathode vision layer Chapter 4: Display Devices

a. liquid crystal layer

Which of the following RAID levels offers disk striping without parity? a. raid 0 b. raid 5 c. raid 2 d. raid 1 Chapter 5: Custom Configurations

a. raid 0

What does RAID stand for? a. redundant array of independent disks b. redundant array of internal disks c. rebound array of inexpensive disks d. rebound array of internal disks e. repeated array of inexpensive disks f. reversible array of inexpensive disks Chapter 2: Storage Devices and Power Supplies

a. redundant array of independent disks

What does SATA stand for? a. serial advanced technology attachment b. serial advanced technology automation c. sequential advanced technology automation d. sequential asynchronous technology attachment Chapter 2: Storage Devices and Power Supplies

a. serial advanced technology attachment

Which of the following properties of a heat sink has the maximum impact on heat dispersion? a. surface area b. connection mechanism c. proximity to the power supply d. shape Chapter 1: Motherboards, Processors, and Memory

a. surface area

Which of the following will support in dissipating heat through the heat sink when upgrading a CPU? a. thermal compound b. power supply c. fan d. riser card Chapter 1: Motherboards, Processors, and Memory

a. thermal compound

Which of the following is the standard client computer system that provides rich functionality independent of the central server? a. thick client b. thin client c. smart client d. hybrid client Chapter 5: Custom Configurations

a. thick client

Which of the following allows a CPU to lower its frequency for a time, to prevent overheating or to save power? a. throttling b. cooling c. underclocking d. disengaging Chapter 9: Understanding Laptops

a. throttling

State whether the given statement is true or false: ECC can detect both single-bit and double-bit errors but can only correct single-bit errors. a. true b. false Chapter 1: Motherboards, Processors, and Memory

a. true

ISDN (integrated systems digital network) supports data transfer rate up to ______. a. 56 Kbps b. 128 Kbps c. 512 Kbps d. 1 Mbps Chapter 8: Installing Wireless and SOHO Networks

b. 128 Kbps

Which of the following is a valid IPv6 IP address? a. 172.16.254.1 b. 2001:0db8:0000:0000:0000:ff00:0042:8329 c. 12ED::63E2:21BA::3:FACE:F25F d. 12ED:2F33:63E2:CB24:2D73:FACE:F25F Chapter 7: Introduction to TCP/IP

b. 2001:0db8:0000:0000:0000:ff00:0042:8329

Which of the following IEEE standards defines the token passing ring topology? a. 802.3 b. 802.5 c. 802.4 d. 802.7 Chapter 6: Networking Fundamentals

b. 802.5

Which protocol/utility uses UDP ports 67 and 68 for communication? a. DNS b. DHCP c. RDP d. Telnet Chapter 7: Introduction to TCP/IP

b. DHCP

Which of the following components is described in the statement below? "It supplies high voltage, low current power to both the charging and the transfer corona assemblies in laser and page printers." a. SMPS b. HVPS c. hub d. switch Chapter 11: Installing and Configuring Printers

b. HVPS

What does HDMI stand for? a. High-Display Module Interchange b. High-Definition Multimedia Interface c. High-Display Multiple Interface d. High-Definition Music Interface Chapter 3: Peripherals and Expansion

b. High-Definition Multimedia Interface

Which of the following is considered to be the first cellular phone to include telephone and PDA features in one device? a. Blackberry 6210 b. IBM Simon Personal Communicator c. Phablet d. NTT DoCoMo Chapter 10: Understanding Mobile Devices

b. IBM Simon Personal Communicator

Blocking port number 143 will affect communication of which of the following protocols? a. SMTP b. IMAP c. DHCP d. POP3 Chapter 7: Introduction to TCP/IP

b. IMAP

Which of the following is the backbone structure of a laptop to which all internal components connect? a. NIC b. Motherboard c. Keyboard d. Processor Chapter 9: Understanding Laptops

b. Motherboard

Which of the following connectors is used with twisted pair cable type? a. SC b. RJ-45 c. ST d. LC e. F-Connector Chapter 3: Peripherals and Expansion

b. RJ-45

Which standard is also known as IEEE 802.11i? a. Wifi Protected Access (WPA)? b. Wifi Protected Access 2 (WPA2)? c. Wired Equivalent Privacy (WEP)? d. Wireless Access Protocol (WAP)? Chapter 8: Installing Wireless and SOHO Networks

b. Wifi Protected Access 2 (WPA2)?

What does BIOS stand for? a. basic input/output server b. basic input/output system c. basic interrupt only service d. basic inline/outline service Chapter 1: Motherboards, Processors, and Memory

b. basic input/output system

The _______ connector is used with coaxial ethernet cables. a. sc b. bnc c. st d. rj-45 Chapter 6: Networking Fundamentals

b. bnc

What causes stray marks on the paper printed through an inkjet printer? a. problem with fuser b. dust on the print cartridge c. improper power supply d. damaged print drum Chapter 12: Hardware and Network Troubleshooting

b. dust on the print cartridge

You pick up a sheet just printed with a laser printer, run your thumb over it, and the toner comes on your thumb. This shows that the ______ of the printer is malfunctioning. a. toner cartridge b. fuser c. transfer corona assembly d. high voltage power supply Chapter 11: Installing and Configuring Printers

b. fuser

Which of the following correctly describes IPv4? a. in IPv4, the subnet mask fields are separated by a comma. b. in IPv4, each of the four fields is separated by a period. c. in IPv4, the 32-bit fields are separated by a period. d. in IPv4, the subnet mask fields are separated by a dash. Chapter 7: Introduction to TCP/IP

b. in IPv4, each of the four fields is separated by a period.

The ______ is responsible for power the LCD backlight on a laptop. a. motherboard b. inverter c. touchpad d. PC card Chapter 9: Understanding Laptops

b. inverter

What is the probable cause of video flickering? a. a failing monitor b. low refresh rate c. faulty video driver d. loose video card at socket Chapter 4: Display Devices

b. low refresh rate

Which of the following is an interface technology that enables input through pressure and gestures on points of contact with the surface? a. intensive touch b. multi touch c. resistive touch d. capacitive touch Chapter 10: Understanding Mobile Devices

b. multi touch

Which of the following NFC device modes allows for ad hoc data transfer between two NFC enabled devices? a. nfc card emulation b. nfc peer to peer c. nfc reader/writer d. nfc tags Chapter 10: Understanding Mobile Devices

b. nfc peer to peer

Which of the following devices works as an interface between a computer and LAN? a. modem b. nic c. router d. bridge Chapter 6: Networking Fundamentals

b. nic

An action commonly performed on CPUs and video cards to allow users to get enhanced performance is referred to as: a. hyperthreading b. overclocking c. duplexing d. caching Chapter 1: Motherboards, Processors, and Memory

b. overclocking

Which of the following is a plug in interface card that displays progress and error codes generated during power-on self test? a. loopback plug b. post card c. multimeter d. power supply tester Chapter 12: Hardware and Network Troubleshooting

b. post card

Which of the following RAID levels does not provide fault tolerance? a. raid 1 b. raid 0 c. raid 5 d. raid 10 Chapter 2: Storage Devices and Power Supplies

b. raid 0

Which of the following RAID levels is used for mirroring? a. raid 0 b. raid 1 c. raid 2 d. raid 3 Chapter 2: Storage Devices and Power Supplies

b. raid 1

The Serial ATA (SATA) cables can extend up to ________. a. 5 meters b. 10 meters c. 1 meter d. 15 meters e. 100 meters Chapter 2: Storage Devices and Power Supplies

c. 1 meter

What is the maximum number of USB devices that can be attached to a single USB controller? a. 10 b. 64 c. 127 d. 128 Chapter 3: Peripherals and Expansion

c. 127

What is the starting IP address of class B? a. 1.0.0.0 b. 126.0.0.0 c. 128.0.0.0 d. 244.0.0.0 Chapter 7: Introduction to TCP/IP

c. 128.0.0.0

What default subnet mask is used with the Class C private IP address range? a. 255.255.255.255 b. 255.255.255.0 c. 255.255.0.0 d. 255.0.0.0 Chapter 7: Introduction to TCP/IP

c. 255.255.0.0

At what characteristic impedance do RG-6 and RG-59 coaxial cables work? a. 25 ohm b. 50 ohm c. 75 ohm d. 100 ohm Chapter 6: Networking Fundamentals

c. 75 ohm

Which ATX version introducted an extra 4-pin, 12V connector, commonly called the P4 connector? a. ATX 12V 2.x b. ATX 12V 2.1 c. ATX 12V 1.0 d. ATX 12V 2.3 Chapter 2: Storage Devices and Power Supplies

c. ATX 12V 1.0

Which of the following is used to connect accessories, such as headset, to a mobile device? a. Wi-Fi b. NIC c. BlueTooth d. Firewire Chapter 6: Networking Fundamentals

c. BlueTooth

Which of the following protocols enables sending mail from a client to a server? a. POP3 b. SFTP c. SMTP d. RDP Chapter 7: Introduction to TCP/IP

c. SMTP

Which of the following is not a type of IPv6 address? a. unicast b. multicast c. broadcast d. global unicast Chapter 7: Introduction to TCP/IP

c. broadcast

Which of the following input methods makes gestures smooth and even more intuitive in mobile devices? a. stylus b. resistive touchscreen c. capacitive touchscreen d. keypad Chapter 10: Understanding Mobile Devices

c. capacitive touchscreen

Which of the following types of internet services is provided by telecommunication companies to provide internet connection on mobile phones? a. fiber b. dsl c. cellular d. isdn Chapter 8: Installing Wireless and SOHO Networks

c. cellular

Which of the following workstations are used by desktop publishers in the creation of high-quality copy of professional text and graphical images? a. computer aided manufacturing workstations b. computer aided design workstations c. graphic design workstations d. virtualization workstations Chapter 5: Custom Configurations

c. graphic design workstations

Which of the following causes an 'out of memory' message whenever you try to print? a. incorrect device driver b. inadequate network memory c. inadequate computer memory d. inadequate network bandwidth Chapter 12: Hardware and Network Troubleshooting

c. inadequate computer memory

What does LCD stand for? a. light crystal display b. layered crystal display c. liquid crystal display d. light color display Chapter 4: Display Devices

c. liquid crystal display

Which of the following color codes is used for the PS/2 keyboard port on a computer? a. red b. yellow c. purple d. brown Chapter 3: Peripherals and Expansion

c. purple

Which of the following types of RAID configurations provides the best speed in addition to fault tolerance at the lowest possible cost? a. raid 0 b. raid 1 c. raid 5 d. raid 10 Chapter 2: Storage Devices and Power Supplies

c. raid 5

Which of the following specifies how many times in one second the image on the screen can be completely redrawn? a. brightness b. contrast ratio c. refresh rate d. resolution Chapter 4: Display Devices

c. refresh rate

In the bus topology, a ________ is required at each end of the bus. a. smart card b. hub c. terminator d. transceiver Chapter 6: Networking Fundamentals

c. terminator

Which of the following is the loopback address in IPv4? a. 0:0:0:0:0:0:0:1 b. 127:0:0:1 c. 0.0.0.0.0.0.0.1 d. 127.0.0.1 Chapter 7: Introduction to TCP/IP

d. 127.0.0.1

Which range of IP addresses indicates that the IP address has been provided by APIPA? a. 10.0.0.0 to 10.255.255.254 b. 172.16.0.0 to 172.31.255.254 c. 192.168.0.0 to 192.168.255.254 d. 169.254.0.1 to 169.254.255.254 Chapter 7: Introduction to TCP/IP

d. 169.254.0.1 to 169.254.255.254

Which of the following TCP ports is used by the RDP protocol? a. 21 b. 23 c. 443 d. 3389 Chapter 7: Introduction to TCP/IP

d. 3389

What is the maximum data transfer rate supported by USB 2.0? a. 12 Mbps b. 128 Mbps c. 256 Mbps d. 480 Mbps e. 512 Mbps Chapter 3: Peripherals and Expansion

d. 480 Mbps

Which of the following techniques is used in ethernet to prevent collision? a. packet switching b. NetBEUI c. UDP d. CSMA/CD Chapter 6: Networking Fundamentals

d. CSMA/CD

Which of the following connectors is described in the statement below? "It is a threaded medium performance coaxial signal connector, which is used in TV's and VCR's. The pin of the connector is actually the center conductor of the coaxial cable. it is an inexpensive connector." a. BNC connector b. ST connector c. RJ-11 connector d. F-connector Chapter 6: Networking Fundamentals

d. F-connector

Which of the following is a type of computer memory built using integrated circuits measuring about 67 millimeters long and 32 millimeters wide? a. DIMM b. MicroDIMM c. MiniDIMM d. SODIMM Chapter 9: Understanding Laptops

d. SODIMM

Which of the following USB versions has a maximum data transfer rate of 5 Gbps? a. USB 1.1 b. USB 2.0 c. USB 3.1 d. USB 3.0 Chapter 3: Peripherals and Expansion

d. USB 3.0

Which of the following cables is used by the bus topology? a. UTP b. 10base-T c. 100base-FX d. coaxial Chapter 6: Networking Fundamentals

d. coaxial

An incompatible printer driver will result in _________. a. faded printing b. horizontal line printing throughout the page c. vertical black line printing throughout the page d. garbage printing Chapter 12: Hardware and Network Troubleshooting

d. garbage printing

Which of the following is a device that takes low-voltage DC power and converts it into high-voltage AC power for the backlight? a. webcam b. microphone c. digitizer d. inverter Chapter 9: Understanding Laptops

d. inverter

Which of the following ports is not used to connect a scanner to a computer? a. parallel b. firewire c. usb d. serial Chapter 3: Peripherals and Expansion

d. serial

Which of the following is not a component of the motherboard? a. Expansion Slot b. keyboard connector c. cmos battery d. smps e. processor socket f. BIOS chip Chapter 1: Motherboards, Processors, and Memory

d. smps

Which of the following does RAID 0 provide? a. striping with parity b. fault tolerance c. disk mirroring d. striping Chapter 2: Storage Devices and Power Supplies

d. striping

Which of the following cables use BNC connectors? a. graded index multimode fiber? b. single mode fiber c. cat 3 d. thinnet Chapter 6: Networking Fundamentals

d. thinnet

Which of the following is the touchscreen software interface created by HTC? a. flowfx b. thinix touch c. spb mobile shell d. touchflo Chapter 10: Understanding Mobile Devices

d. touchflo