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CompTIA A+ 220-801 > A+ 801 Flash Cards > Flashcards

A+ 801 Flash Cards

1
Q

Where can you enable hardware support for USB 1.1?

A

The BIOS.

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2
Q

What is required on a Mother Board to support BitLocker?

A

A trusted platform module (TPM)

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3
Q

What components are accessed by the North Bridge?

A

CPU, RAM, and graphics.

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4
Q

What benefit is provided by a ZIF?

A

Zero insertion force socket makes installation of the CPU easier.

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5
Q

What type of expansion cards are commonly used for high-performance graphics?

A

PCIe x16 (Or other PCIe card). PCIe is short for Peripheral Component Interconnect Express.

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6
Q

Can a micro-ATX motherboard fit in a ATX case?

A

Yes, they are designed to fit in ATX cases and smaller.

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7
Q

What type of computer will you find Express card/34 ports?

A

Express card/34 as well as /54s are used in Laptops.

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8
Q

What type of computer will you find PCMCIA ports?

A

Generally they are found in laptop computers. PCMCIA stands for Personal Computer Memory Card International Association.

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9
Q

What is provided by ECC RAM?

A

Error Correcting Code (ECC) RAM improves reliability and corrects memory errors.

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10
Q

How are memory banks identified in a motherboard with blue or black slots?

A

Memory banks are identified by the same color slots. Both blue slots are one bank and both black slots are another.

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11
Q

What type of RAM package is used in Laptops?

A

Small Outline Dual Inline Memory Modules (SODIMMs) are used in laptops.

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12
Q

What speed is used when two DIMMs are installed in the same bank but they have different speed specifications?

A

The slower speed is used when two DIMMS have different speed specifications.

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13
Q

What is the memory type of a PC10600 DIMM?

A

DDR3. The clock is 166 2/3 MHz and the formula is 166 x 4 x 2 x 64 / 8. For DDR2, it would require a clock of 333 MHz (333 x 2 x 2 x 64 / 8) but clocks that fast are not used with DDR2.

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14
Q

Can you place DDR2 RAM into DDR3 sockets?

A

No. You cannot mix and match DDR memory.

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15
Q

What type of expansion card is used to convert VCR tapes to digital for storage on a DVD?

A

A video capture card.

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16
Q

What is used on many graphics cards to keep them cool?

A

Heatsink over the graphics processing unit (GPU) and possibly a fan.

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17
Q

What error would most likely display if the CMOS Battery needs to be replaced?

A

Date and time not set

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18
Q

Where would you typically modify the fan speeds for a system?

A

In the BIOS

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19
Q

What is a TPM?

A

Trusted Platform Module (used with BitLocker to encrypt volumes)

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20
Q

What software is needed for a new sound card?

A

Device drivers are the software used to allow the operating system to use hardware.

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21
Q

What can be used to capture screen shots from a game console?

A

A video capture card.

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22
Q

What common RAID types provide fault tolerance?

A

RAID-1 (mirror), RAID-5 (striping with parity), and RAID-10 (stripe of mirrors)

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23
Q

What disk type is the least susceptible to shock damage?

A

Solid State Drives (SSDs) are the least susceptible to shock damage because they do not have any moving parts.

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24
Q

What is the storage capacity of a DL DVD?

A

A dual layer DVD holds 8.5 GB of data (sometimes rounded up to 8.6 GB).

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25
Q

Name two common interfaces for external hard drives.

A

USB and external Serial ATA (eSATA) are two common interfaces for external hard drives

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26
Q

How can you control the drive hierarchy for PATA drives?

A

You use jumpers to control which drive is a master and which is a slave in parallel ATA (PATA) drives. When jumpered to cable select, the cable determines the drive hierarchy.

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27
Q

Name two common external hard drive interfaces that are hot swappable.

A

USB and external Serial ATA (eSATA) are two common interfaces for external hard drives and they are both hot swappable.

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28
Q

What does the error “Date and Time Not Set” indicate?

A

The CMOS battery needs to be replaced.

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29
Q

Name three components commonly used to keep a CPU cool.

A

A CPU is commonly kept cool with thermal paste, a heatsink, and a CPU fan.

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30
Q

Name the common socket types used by Intel processors.

A

Intel processors commonly use LGA 775, LGA 1155, LGA 1156, and LGA 1366 sockets.

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31
Q

Name the common socket types used by AMD processors.

A

AMD processors commonly use 940, AM2, AM2+, AM3, AM3+, FM1, and F sockets.

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32
Q

What Intel feature causes a single core to appear as two processors?

A

Hyperthreading causes each core within a processor to appear as two processors.

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33
Q

What type of connector is commonly used with RS-232 interfaces?

A

A DB-9 is most commonly used with RS-232 (serial) interfaces.

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34
Q

What external interface has a maximum speed of 480 Mbps?

A

USB 2.0 has a maximum speed of 480 Mbps.

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35
Q

How many connectors are commonly needed for the subwoofer and front channel speaker in a 5.1 sound system?

A

One connector is commonly shared for the subwoofer and the front channel speaker. It can be a tip ring sleeve (TRS) or RCA connector.

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36
Q

What type of power connector is often needed for a graphics expansion card?

A

PCIe 6-pin, 8-pin, or 6+2-pin connectors are often needed for a graphics expansion card.

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37
Q

What type of power connector is needed for a floppy drive?

A

Floppy drives use berg connectors.

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38
Q

What should you do if a fully functioning system cannot boot to a DVD?

A

Modify the boot sequence in the BIOS

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39
Q

What is MOST likely failing if a system takes a long time booting as it rediscovers the installed hardware each time it is restarted?

A

Replace the CMOS battery

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40
Q

What two keys would you MOST likely press to access the BIOS?

A

F2 or Del (delete) keys (these are most common but some systems use different keys)

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41
Q

What type of power connector is needed for a SATA hard drive?

A

Serial ATA drives use L-shaped power connectors.

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42
Q

What type of power connector(s) are needed for a PATA hard drive and a combo CD/DVD IDE based drive?

A

Parallel ATA (PATA) and IDE based drives use Molex connectors.

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43
Q

What voltages are provided by a typical desktop PC power supply?

A

A typical desktop PC power supply provides 3.3 VDC, 5 VDC, and 12 VDC.

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44
Q

What is a benefit of a liquid-based cooling system?

A

Liquid-based cooling systems are quieter than fans.

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45
Q

What are the primary hardware requirements that should be considered for a CAD system?

A

Computer Aided Design (CAD) systems require a powerful processor, high-end video, and maximum RAM.

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46
Q

What are the primary hardware requirements that should be considered for an A/V editing workstation?

A

An audio/video editing workstation requires a specialized audio and video card, a large fast hard drive, and dual monitors.

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47
Q

What are the primary hardware requirements that should be considered for workstation used to host multiple virtual machines?

A

A virtualization workstation requires maximum RAM and CPU cores.

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48
Q

What are the primary hardware requirements that should be considered for a gaming PC?

A

A gaming PC requires a powerful processor, a high-end video card with a specialized graphics processing unit (GPU), a high-quality sound system, and high-end cooling.

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49
Q

What type of PC or workstation is best for media streaming?

A

A home server PC is best for media streaming, file sharing, and print sharing.

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50
Q

What resolution should you use for an LCD-based monitor?

A

You should use the native resolution for liquid crystal display (LCD) and light emitting diode (LED) monitors.

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51
Q

When comparing LED-based monitors and plasma monitors, which one consumes the most power?

A

Plasma monitors consume more power than light emitting diode (LED) monitors.

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52
Q

What specification identifies the brightness of an overhead projector?

A

The lumens identifies the brightness of an overhead projector.

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53
Q

What does a VGA port look like?

A

A video graphics array (VGA) port has 15 pins staggered on three rows and accepts DB-15 connectors.

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54
Q

What type of data is delivered on a DVI-D cable?

A

A Digital Visual Interface Digital (DVI-D) cable delivers digital video. It does not deliver audio.

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55
Q

How many cables are used for component video?

A

Component video delivers the signal over three cables (sometimes called three physical channels).

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56
Q

What is used to share a single monitor with multiple computers?

A

A keyboard video mouse (KVM) device is used to share a single monitor with multiple computers. It also shares a single keyboard and a single mouse among these computers.

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57
Q

When installing new hardware, what software needs to be installed?

A

Device drivers are the software that allows the operating system to recognize and use hardware.

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58
Q

What type of connection is typically used with a touch screen LCD monitor to transfer the touch signals?

A

USB cables are typically used with a touch screen monitor to transmit the touch signals.

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59
Q

Where can you configure the boot sequence and voltage parameters for a CPU?

A

BIOS

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60
Q

What type of card is most common for high-end graphics in current computers?

A

PCIe (such as PCIe x16). AGP is used less today.

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61
Q

What type of systems most commonly use ECC memory?

A

High-end servers use error correction code (ECC) memory

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62
Q

What slots should you use when installing memory in a system with colored slots?

A

Matched memory sticks should be installed in the same color slots (such as black slots or blue slots). These colored slots indicate dual channel memory.

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63
Q

What are key hardware considerations when purchasing an expansion card for a system?

A

The bus type of an open slot, and power consumption of the new card.

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64
Q

What can you use to capture screen shots from a game console?

A

Video capture card

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65
Q

Which type of drive is typically the fastest?

A

Solid state drives (SSDs) they do not have any moving parts.

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66
Q

What does this statement describe: It uses multiple hard drives to protect against data loss and increase performance?

A

RAID configuration

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67
Q

What would you use to back up a very large database?

A

Tape

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68
Q

Where would you apply thermal paste?

A

Between the CPU and the heat sink

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69
Q

What is the purpose of thermal paste?

A

Transfer heat from the CPU to the heat sink.

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70
Q

What CPU brand uses the 1156 socket?

A

Intel

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71
Q

What CPU brand uses the F socket?

A

AMD

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72
Q

What CPU cooling system is the quietest?

A

Liquid-based

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73
Q

How many pins are in an RS-232 serial port?

A

Nine pins (shaped like a D)

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74
Q

How many pins are in a VGA port?

A

15 pins (in three rows of five)

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75
Q

What type of PC would you recommend to a user that plans to use a computer for only word processing?

A

Thin client

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76
Q

What type of PC would you recommend to a user that plans to run multiple desktop applications?

A

Standard thick client

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77
Q

What are the primary hardware requirements for a home server PC?

A

Gigabit NIC and RAID disk subsystem

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78
Q

What type of PC would you recommend to a user that plans to use a computer for only browsing the Internet?

A

Thin client

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79
Q

What does the .1 signify in a 7.1 sound system?

A

A subwoofer

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80
Q

What type of video connector is used by VGA?

A

DB-15 (three rows of five pins)

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81
Q

What is the purpose of plenum-rated cable?

A

Plenum-rated cable has a fire retardant jacket and is less likely to release hazardous fumes.

82
Q

What type of cable is most commonly used for cable TV connections?

A

RG-6 coaxial cable is used for cable TV connections.

83
Q

What type of cable supports the maximum transmission distance: SMF or MMF?

A

Single-mode fiber (SMF) supports longer transmission distances than multimode fiber (MMF).

84
Q

What type of cable is used with POTS?

A

CAT 3 cable is used with the Plain Old Telephone Service (POTS).

85
Q

What occurs if two systems are statically assigned the same IP address?

A

An IP address conflict occurs when two systems are statically assigned the same IP address

86
Q

What is the purpose of DHCP?

A

Dynamic Host Configuration Protocol (DHCP) assigns IP addresses and other TCP/IP configuration information.

87
Q

What should be checked if you see an address of 169.254.45.23

A

Dynamic Host Configuration Protocol (DHCP) should be checked for any address starting with 169.254.

88
Q

What is used to assign an IP address if DHCP doesn’t respond?

A

Automatic Private IP Addressing (APIPA) assigns an address starting with 169.254 if a Dynamic Host Configuration Protocol (DHCP) server doesn’t respond.

89
Q

What is the classful class of the address of 192.168.12.45?

A

An address starting with 192 is a Class C address.

90
Q

What is the purpose of DNS?

A

Domain Name System (DNS) provides name resolution and can resolve user friendly names to IP addresses.

91
Q

What differentiates the network portion of an IP address from the host portion of an IP address?

A

The subnet mask differentiates the network portion of an IP address from the host portion of an IP address.

92
Q

What ports are used for email?

A

25, 110, and 143.
Simple Mail Transfer Protocol (SMTP) is used for outgoing email on port 25.
Post Office Protocol version 3 (POP3) is used for incoming email on port 110.
Internet Message Access Protocol (IMAP) uses port 143.

93
Q

What ports are used by web browsers?

A

80 and 443. Hypertext Transfer Protocol (HTTP) uses port 80 and Hypertext Transfer Protocol Secure (HTTPS) uses port 443.

94
Q

What is SFTP used for?

A

Secure File Transfer Protocol (SFTP) is used to securely transfer large files.

95
Q

What port does RDP use?

A

Remote Desktop Protocol (RDP) uses port 3389.

96
Q

What is the maximum transmission speed and base frequency used by 802.11a?

A

802.11a has a maximum transmission speed of 54 Mbps and a base frequency of 5.0 GHz.

97
Q

Which wireless standard has the shortest transmission distance?

A

802.11a has the shortest transmission distance and 802.11n has the longest transmission distance.

98
Q

Which wireless standard has minimum maximum transmission speed?

A

802.11b has the minimum transmission speed at 11 Mbps and 802.11n has the maximum transmission speed at 150 Mbps, 300 Mbps, or 600 Mbps.

99
Q

Which wireless encryption method is the weakest?

A

Wired Equivalent Privacy (WEP) is the weakest of the three testable wireless encryption methods.

100
Q

Where should a gaming server be placed so that it is accessible from the Internet but also has a layer of digital security?

A

A demilitarized zone (DMZ) is a perimeter network used to protect Internet facing servers such as a game server or a mail server.

101
Q

What is the purpose of MAC filtering?

A

Media access control (MAC) address filtering limits access to a network based on devices hardware identification.

102
Q

What is this: 1A-2B-3C-4D-5C-6D?

A

1A-2B-3C-4D-5C-6D is a media access control (MAC) address.

103
Q

What is a benefit of disabling SSID broadcast on a wireless router?

A

A wireless network is partially hidden and is harder to locate when service set identifier (SSID) broadcasts are disabled.

104
Q

What is used to identify a wireless network?

A

Wireless networks are identified with a service set identifier (SSID).

105
Q

What is the relationship of upload and download speeds with an ADSL?

A

The download speed is faster than the upload speed in an asynchronous digital subscriber line (ADSL).

106
Q

What type of Internet connection is most appropriate for a user that travels frequently?

A

Cellular Internet connections are appropriate for mobile users.

107
Q

What is a PAN?

A

A personal area network (PAN) is a network centered around a person.

108
Q

What is a WAN?

A

A wide area network (WAN) is a network that covers a large physical distance.

109
Q

What is a primary benefit of a mesh topology?

A

A mesh topology includes redundant connections for each network device.

110
Q

What type of networking device converts analog signals to digital signals?

A

A modulator demodulator (modem) converts analog signals to digital signals and converts digital signals to analog signals.

111
Q

What type of networking device sends received packets to all ports on the device?

A

A hub does not analyze packets but instead sends received packets to all ports on the device.

112
Q

What type of networking tool is used to attach RJ-45 connectors to twisted pair cables?

A

Crimpers are used to attach RJ-45 connectors to twisted pair cables.

113
Q

What type of networking tool is used to test a NIC?

A

Loopback plugs are used to test network interface cards (NICs).

114
Q

What type of networking tool is used to trace a cable between two rooms?

A

Toner probes are used to trace a cable between two rooms.

115
Q

What type of connector would you find on a POTS connection?

A

RJ-11

116
Q

What type of connector would you find on an Ethernet twisted pair cable?

A

RJ-45

117
Q

What is the maximum recommended transmission rate of CAT5?

A

100MBps

118
Q

What is the maximum transmission rate of CAT5e?

A

1000 Mbps (1 Gbps)

119
Q

What category of cable has a maximum transmission rate of 10 Mbps?

A

CAT3

120
Q

What are the two primary benefits of fiber cable?

A

Immune to electromagnetic interference (EMI) and supports longest cable lengths

121
Q

What type of cable is fire retardant?

A

Plenum-rated or plenum-safe cable

122
Q

What type of twisted pair cable protects against EMI?

A

Shielded Twisted Pair (STP)

123
Q

What class address is 10.12.14.18?

A

Class A

124
Q

What is the Class A range of private IP addresses?

A

10.0.0.0 to 10.255.255.255

125
Q

What type of IPv4 addresses are assigned on the Internet?

A

Public IP addresses

126
Q

What Class address is 192.168.1.5?

A

Class C

127
Q

What is the Class B range of private IP addresses?

A

172.16.0.0 to 172.31.255.255

128
Q

What numbers are at the beginning of all APIPA addresses?

A

169.254

129
Q

What is the Class C range of private IP addresses?

A

192.168.0.0 to 192.168.255.255

130
Q

What port receives email?

A

110 (post office protocol)

131
Q

What port sends email?

A

25 (Simple Mail transport protocol)

132
Q

What is the base frequency used by 802.11b?

A

2.4Ghz

133
Q

What is the maximum transmission speed used by 802.11b?

A

11 Mbps

134
Q

What is the base frequency used by 802.11g?

A

2.4 Ghz

135
Q

What is the maximum transmission speed used by 802.11g?

A

54 Mbps

136
Q

What is the base frequency used by 802.11n?

A

2.4 Ghz and 5.0 Ghz

137
Q

What is the maximum transmission speed used by 802.11n?

A

600 Mbps (300 Mbps common)

138
Q

Where is the wireless antenna located in a typical laptop?

A

Display Bezel

139
Q

What is a distinguishing feature of WEP?

A

It is the weakest encryption type

140
Q

Which wireless encryption type is the strongest?

A

Wifi Protected Access Version 2 (WPA2)

141
Q

What feature on a wireless router issues IP addresses?

A

Dynamic Host Configuration Protocol (DHCP)

142
Q

What feature on a wireless router limits access to specific devices?

A

Media Access Controll (MAC) address filtering.

143
Q

What feature on a wireless router hides the network from casual users?

A

Disabling Service Set Identifier (SSID) broadcast

144
Q

What type of cable would you use to connect a DSL modem with an Internet service provider?

A

CAT3 twisted pair cable to connect to a telephone line

145
Q

What type of cable would you use to connect a broadband cable modem with an Internet service provider?

A

Cable modems use Coaxial cables

146
Q

What topology connects devices in a line?

A

Bus

147
Q

What topology connects devices to a central device, such as a switch?

A

Star

148
Q

What device connects networks together?

A

A router

149
Q

What device connects devices together in a network with the most efficiency?

A

A Switch

150
Q

After installing a new NIC expansion card, what else should you install?

A

Drivers for the new NIC

151
Q

On what type of cable would you see an F-type connector?

A

Coaxial Cable use F-type connectors.

152
Q

On what type of cable would you see an LC-type connector?

A

Fiber cable

153
Q

What type of connector is used to connect external DSL modems to a phone line?

A

RJ-11, including phone lines connected to digital subscriber

154
Q

What type of connector used with CAT 5e cable?

A

RJ-45 are used with twisted pair cables and CAT 5e cable.

155
Q

What is the maximum transmission speed of CAT 3 cable?

A

10 Mbps

156
Q

What type of cable provides the best protection against EMI?

A

Fiber cable provides the best protection

157
Q

Where would you find an ExpressCard /34 slot?

A

Laptop computers

158
Q

What type of RAM cards are used in laptops?

A

Small Outline Dual Inline Memory Modules (SODIMM)

159
Q

What would cause a symptom of a backlight failure on a laptops LCD monitor?

A

The Display will dim if the backlight fails on a LCD

160
Q

What type of backlight is used by older LCD monitors?

A

a Cold Fluorescent Lamp (CCFL)

161
Q

What provides power to a CCFL on a Laptops LCD monitor?

A

An Inverter

162
Q

What is a symptom of a failed inverter on a laptop?

A

The Screen becomes dim.

163
Q

What is the easiest way to adjust the brightness on most laptops?

A

You can toggle the brightness Fn key on most laptops to adjust brightness.

164
Q

What is the easiest way to disable internet access on most laptops?

A

You can toggle the brightness Fn switch

165
Q

What is the easiest way to enable the output for an external monitor on most laptops?

A

Toggle the Fn switch

166
Q

what is commonly used to provide physical security for laptops?

A

Cable locks.

167
Q

What tool would you use to verify proper wiring in a cable?

A

Cable Tester

168
Q

What are common video connectors on laptop computers?

A

HDMI and VGA

169
Q

What jack is used to provide power to a laptop computer?

A

DC-in jack

170
Q

What does a laptop AC adaptor do?

A

Converts AC power to DC power

171
Q

What should be done before replacing components such as RAM in a laptop?

A

Remove all power including the battery

172
Q

what is the symptom of a failed backlight in a laptop?

A

Extremely dim display

173
Q

What type of printer uses voltage control to vary the amount of ink sent to the printer?

A

Inkjet printers

174
Q

What component in a laser printer ensures that toner doesn’t fall off the paper?

A

The fusing assembly melts the toner onto the page

175
Q

What happens during the cleaning stage of a later printer?

A

Residual toner is removed from the drum.

176
Q

What type of printer can use carbon paper?

A

Impact printers

177
Q

What type of printer has an imaging drum?

A

Laser printers ave an imaging drum.

178
Q

What type of printer interface is used with the LPT1 port?

A

A parallel printer interface

179
Q

What is the purpose of a print server in a network?

A

To share one or more printers to users in a network.

180
Q

What must be enabled on a user computer to share a printer connected via a USB port on a windows 7 computer?

A

Print sharing must be enabled to share printers.

181
Q

What is replaced when the printout on an impact printer begins to fade?

A

The ink ribbon is replaced.

182
Q

What is typically replaced when a laser printer has problems picking up a single piece of a paper from the paper tray?

A

Pickup rollers

183
Q

What is required for an IR printer connection?

A

Clear line-of-sight

184
Q

What would you use to allow multiple users to access a single printer?

A

Print Server

185
Q

What happens to a network printer if a printer server is turned off?

A

The printer is no longer available.

186
Q

What must be enabled on a single computer to share a local printer?

A

Print sharing

187
Q

What is the easiest way to install a USB printer on Windows 7?

A

Turn it on and plug in the USB cable

188
Q

What applet is used on Windows XP to share a printer?

A

Printers and Faxes

189
Q

What prevents tripping hazards in a networked environment?

A

Propper cable management prevents tripping hazards in a networked environment.

190
Q

What should a technician remove prior to measuring voltages from a desktop computers power supply?

A

Remove all rings and jewelry

191
Q

What should be avoided when fighting an electrical fire?

A

Water-based fire extinguishers should not be used on electrical fires.

192
Q

What is a significant safety hazard related to CRT monitors?

A

CRT = Cathode ray tube,

They have lethal voltages inside them.

193
Q

What is the best alternative when working on PCs if ESD equipment isn’t available?

A

Techs should use self grounding techniques like holding the metal case.

194
Q

What is a danger related to low humidity?

A

It can increase the chance of ESD.

195
Q

What are some types of ESD equipment used by technicians?

A

ESD mats, wrist straps, and grounding bars

196
Q

What protects a system during a power outage?

A

A battery backup or UPS.

197
Q

What can be used to remove dust and debris from a desktop computer?

A

compressed air or ESD safe vacuums.

198
Q

What is the purpose of a surge suppressor?

A

Protects systems against damage from power spikes.

199
Q

When is it acceptable to copy user data?

A

You should only copy user data when you have the user’s permission.

200
Q

What is used to ensure that evidence is admissible in legal proceedings?

A

Chain of Custody document

201
Q

What applet is used on Windows 7 to share a printer?

A

Devices and printers

202
Q

What is provided by a UPS that is not provided by a surge suppressor?

A

Continuous power

CompTIA A+ 220-801 (1 decks)

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