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IT Foundations > IT Founds > Flashcards

IT Founds Flashcards

1
Q

What does 2, 3, 4, or 5 short beeps from an AMI BIOS indicate?

A

Memory problem

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2
Q

What does 6 short beeps from an AMI BIOS indicate?

A

Keyboard problems

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3
Q

At which layer of the OSI model is data encapsulated into a packet?

A

Layer 3 (Network)

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4
Q

At which layer of the TCP/IP model is the routing of packets across multiple logical networks controlled?

A

Internet layer

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5
Q

How can a NiCad batter that is having charge issues be restored?

A

Clean battery terminals and perform several cycles of discharging and recharging to force past memory capacity problems

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6
Q

How do you fix “RAID not found” error?

A

check RAID controller and RAID connections. Make sure BIOS is set to RAID. test individual RAID drives and replace if necessary

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7
Q

How do you fix OS not found error?

A

reboot computer into recovery console and repair the OS

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8
Q

How many disks minimum does RAID 10 use?

A

4

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9
Q

How many USB hubs can be daisy chained to a single port?

A

5, but connections may degrade after 2

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10
Q

How would you fix slow peformance?

A

add more memory or if you suspect HDD issue, add more space if necessary or run defrag

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11
Q

How would you fix “Drive not recognized” error?

A

Make sure master/slave jumpers are configured properly, and check for correct BIOS settings and drive drivers

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12
Q

In which physical component is the data stored in a magnetic hard disk drive?

A

platter

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13
Q

Random shutdowns with no error code are usually due to what?

A

Overheating

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14
Q

Typical causes of system lockup include?

A

memory issues, malware, virus

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15
Q

What action should be taken if a hard drive is replaced but the system detects the new drive as the old drive?

A

flash the BIOS

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16
Q

What address range and subnet mask does APIPA use?

A

169.254.0.1 - 169.254.255.254 and subnet 255.255.0.0

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17
Q

What allows cell phones to connect to the correct tower when roaming?

A

PRL (Preferred roaming list)

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18
Q

What architecture are today’s CPUs built on?

A

PGA (pin grid array) and LGA (land grid array)

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19
Q

What are parts of routine maintenance for dot matrix printers?

A

replace the paper, print head, and ribbon. Periodically clean print head and vacuum debris

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20
Q

What are the variants of DDR3 memory?

A

800, 1066, 1333, and 1600

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21
Q

What can cause fuzzy or low quality print?

A

High Humidity or damp paper

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22
Q

What command is entered into the command prompt to restart the printer spool service?

A

net start spooler

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23
Q

What connector is commonly used in serial asynchronous data transmission?

A

DB-9

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24
Q

What could be wrong if your monitor is flickering a lot regardless of which application is used?

A

Refresh rate is set too low

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25
Q

What detects both single and multi-bit errors in RAM?

A

ECC (error correction code)

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26
Q

What do APIPA IPv6 addresses start with?

A

fe80

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27
Q

What do private IPv6 addresses start with?

A

fc00

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28
Q

what do you do if loud clicking noises come from the computer?

A

confirm the noise is coming from the HDD. If so, backup data then replace the HDD

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29
Q

What do you do if you get BSOD immediately after installing a new HDD or drivers?

A

remove HDD or roll back its driver to troubleshoot

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30
Q

What does 7 beeps from an AMI BIOS mean?

A

problem with CPU

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31
Q

What does 8 short beeps from an AMI BIOS mean?

A

problem with video card

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32
Q

What does loopback IPv6 address look like?

A

::1/128

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33
Q

What does one long beep and one short beep mean?

A

motherboard problem

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34
Q

What does the plenum rating mean on a cable?

A

It will not produce toxic gas when it burns

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35
Q

What IP address is known as the loopback address and is used when a program needs to access a network service running on the same computer?

A

127.0.0.1

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36
Q

What is a common cause for computer reboots after short periods of time?

A

CPU fan not working properly

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37
Q

What is a fixed number of contiguous sectors?

A

cluster

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38
Q

What is a physical division of data in a disk drive?

A

track

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39
Q

What is a set of additional instructions, or microcode, to support sound, video, and graphics multimedia functions?

A

MMX

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40
Q

What is a small section of a private network that is located between two firewalls and made available for public access?

A

DMZ

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41
Q

What is a troubleshooting tool that plugs directly into an expansion slot or a USB port that can display error code used in determining why a computer won’t boot?

A

POST card

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42
Q

What is the biggest difference between USB and IEEE 1394?

A

USB supports more devices on a single bus.

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43
Q

What is the hardware-based encryption solution embedded in the system’s motherboard?

A

TPM (Trusted platform module)

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44
Q

What is the IP Range for class A networks and what is their subnet mask?

A

1-126, 255.0.0.0

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45
Q

What is the IP range for class B networks and what is their default subnet mask?

A

128-191, 255.255.0.0

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46
Q

What is the IP range for class C networks and what is their default subnet mask?

A

192-223, 255.255.255.0

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47
Q

What is the max distance and speed for multi-mode fiber?

A

500m at 10gbps

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48
Q

What is the max length of USB cables

A

5 meters

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49
Q

What is the max speed and distance for cat5

A

100m at 100mbps

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50
Q

What is the max speed and distance for cat6?

A

100m at 10gbps

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51
Q

What is the max speed and distance for single mode fiber?

A

40km at 10gbps

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52
Q

What is the max speed and distance for thicknet?

A

500m at 10mbps

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53
Q

what is the max speed and distance for thinnet?

A

185m at 10mbps

54
Q

What is the max speed of bluetooth 2.0?

A

3mbps

55
Q

What is the operating range for class 2 bluetooth devices?

A

10 meters or 33 feet

56
Q

What is the primary port used for DNS?

A

53

57
Q

What is the printer of choice for continuous feed or multi part forms?

A

dot matrix

58
Q

What is the purpose of the charge corona in laser printing?

A

apply uniform negative charge to drum

59
Q

What is the smallest addressable unit of a hard disk?

A

sector

60
Q

What is used to classify and protect an organizations confidential and critical data?

A

DLP (data loss prevention)

61
Q

What must support the EIST (enhanced Intel speedstep technology) in order to use it?

A

motherboard, BIOS, OS, chipset, and processor

62
Q

What protocol enables systems to use hardware based identifiers such as fingerprint readers or smart card readers?

A

EAP (extensible authentication protocol)

63
Q

What protocol is a Microsoft developed protocol that allows a PC or network to access a remote network such as a cloud based database?

A

PPTP (point to point tunneling protocol)

64
Q

What provides file system-level encryption?

A

EFS (encrypting file system)

65
Q

What should be done to fix read/write failure?

A

run chkdsk, or replace drive if totally failed

66
Q

What should be enabled to send encrypted emails?

A

S/MIME

67
Q

What should you do when the “Boot error press F1 to retry” error message is displayed?

A

restore master boot sector

68
Q

What should you do when the printer is printing fuzzy text with thin white lines?

A

clean clogged printer head. Run print management utility and/or turn off and back on (this flushes the nozzle)

69
Q

What technology is used to detect failing hard drives through analyzing the hard drive?

A

S.M.A.R.T.

70
Q

What type of cable is most often used to connect two devices of the same type?

A

crossover

71
Q

What type of cable is used to connect a switch to a router, a switch to PC or server, or a hub to PC or server?

A

straight through

72
Q

What type of partition does not allow file permissions to be saved?

A

FAT

73
Q

What updates the radio firmware on a cell phone?

A

baseband update

74
Q

What voltage is the power good signal?

A

+5

75
Q

What would you do if a laser printer begins printing a vertical black line near the edge of the paper?

A

replace toner cartridge

76
Q

what’s the difference between IMAP4 and POP3?

A

IMAP4 allows emails to be saved on the server while POP3 does not

77
Q

Which inkjet component controls how much ink is flowing from the cartridge?

A

nozzle

78
Q

When moving from static IP and HOSTS files to DNS and DHCPA, what should you do?

A

delete HOSTS files

79
Q

Where is the MBR stored?

A

first sector of the disk

80
Q

Which 8-pin connector is commonly used in Ethernet network adapters?

A

RJ-45

81
Q

Which BIOS password is used to restrict access to the comptuer?

A

user

82
Q

Which BIOS password should be set to restrict access to the BIOS setup?

A

supervisor

83
Q

which cloud computing feature allows a user to request additional space, and the provider allocates it seamlessly?

A

rapid elasticity

84
Q

Which cloud computing feature enables a service provider to service multiple customers to suit each customer’s needs without any changes made to one customer affecting another?

A

resource pooling

85
Q

which command connects or disconnects shared resources?

A

net use

86
Q

which command is used to view all open ports on a computer?

A

netstat

87
Q

which component is always located on the CPU and accelerates the processing of instructions?

A

L1 cache

88
Q

which components can be overclocked?

A

CPU, RAM, and system bus

89
Q

Which components must pass a POST (power on self test) before an OS will boot?

A

memory, CPU, and video card

90
Q

Which connector is a coaxial connector typically used with RG58/U cable?

A

BNC

91
Q

Which connector is a compact snap-to-lock connector used with multimode fiber?

A

MT-RJ

92
Q

Which connector is similar in appearance to BNC and is used to connect multimode fibers?

A

ST

93
Q

which connector is used for parallel, small computer interface (SCSI), or RS-232 serial applications?

A

DB-25

94
Q

Which CPU characteristic allows the processor to classify and separate memory areas where application code can and cannot execute?

A

EDP (execute disable bit)

95
Q

Which expansion slot type uses a serial connection?

A

PCIe

96
Q

Which inkjet component controls whether ink is flowing from the cartridge?

A

nozzle gate

97
Q

Which IPv4 blocks are reserved for private networks?

A
  1. 0.0.0 - 10.255.255.255
  2. 16.0.0 - 172.31.255.255
  3. 168.0.0 - 192.168.255.255
98
Q

Which layer of the OSI model establishes and controls data communication between applications operating on two different devices, regulating when each device can send data and how much it can send?

A

Layer 5 (Session)

99
Q

Which layer of the OSI model is responsible for performing the actual establishment, maintenance, and teardown of the connection?

A

Layer 4 (transport)

100
Q

Which layer of the OSI model structures data into a format appropriate for the transmission medium?

A

Layer 2 (data link)

101
Q

Which layer of the TCP/IP model defines how nodes communicate on local network and adapter level?

A

Network interface layer

102
Q

Which module is used to regulate the voltage fed to the CPU?

A

VRM (voltage regulator module)

103
Q

Which network device is sometimes known as a multi-port repeater?

A

hub

104
Q

which parameter of the ping command will cause it to continue sending messages until interrputed?

A

-t

105
Q

which part is responsible for converting DC power to AC and when it fails, makes displays very dim?

A

inverter

106
Q

Which part of an LCD monitor takes the points of light and uniformly spreads them out over the entire area of the display?

A

diffuser

107
Q

Which pins must be left open when plugging a 20 pin plug into a 24 pin motherboard connector?

A

11, 12, 23, and 24

108
Q

Which port does HTTP use?

A

80

109
Q

Which port does HTTPS use?

A

443

110
Q

Which port does IMAP4 use?

A

143

111
Q

which port does POP3 use?

A

110

112
Q

Which port does SMTP use?

A

25

113
Q

Which port does SSH use?

A

22

114
Q

Which port does telnet use?

A

23

115
Q

Which ports does DHCP use?

A

67/68

116
Q

Which ports does FTP use?

A

20/21

117
Q

Which printer maintenance task requires the resetting of page count?

A

installing a maintenance kit

118
Q

Which printer type does not include calibration as part of its routine maintenance?

A

thermal

119
Q

which printer type uses piezoelectric technology?

A

inket

120
Q

Which printer uses a transfer belt?

A

color laser printer

121
Q

Which protocol do most man in the middle attacks utilize?

A

ARP (address resolution protocol)

122
Q

which RAID level provides increased performance through striping but offers no fault tolerance or redundancy?

A

0

123
Q

Which RAID level provides the best performance and system redundancy?

A

10

124
Q

Which RAID level uses both mirroring from RAID 1 and striping from RAID 0?

A

10

125
Q

Which RAID level utilizes at least 4 disk drives and 2 parity disks and offers better fault tolerance and redundancy than RAID 5?

A

6

126
Q

Which settings determine whether wireless network probe requests are sent?

A

connect even if the network is not broadcasting

127
Q

Which TCP/IP layer allows user level applications to access the other layers?

A

application layer

128
Q

Which TCP/IP layer manages end to end communications between hosts and breaks application data into segments or datagrams sent over the network?

A

Transport layer

129
Q

Which two protocols can be used to transfer files on a network?

A

FTP and SCP (secure copy protocol)

130
Q

Which USB connection standard is designed for peripherals such as printer, upstream port on a hub, or other large peripheral devices?

A

USB type B

IT Foundations (1 decks)

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