Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

A+ > Main practice > Flashcards

Main practice Flashcards

1
Q

FTP

A

20 and 21

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

TFTP Port

A

69

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

SFTP

A

23

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

802.3AF

A

15.4 W at distance of up to 100 m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

802.3AT

A

25 W at distance of up to 100 m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

IMAP Port

A

143

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

crimper

A

connects RJ45 connector to a patch cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

https port

A

443

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

RJ45 connector

A

used to terminate copper twisted-pair ethernet cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

SMB port

A

139

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

NetBIOS port

A

137

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

LCD

A

fluorescent lamp backlight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

IPS

A

wide viewing angle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Double image printer

A

dirty drum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

SMTP port

A

port 25

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

signal that can get through walls easier

A

2.4 Ghz, which has longer wavelength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

SSH

A

port 22

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

multimeter

A

measures voltage, amps, and resistance of a circuit
- determine if properly grounded or there is an open circuit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

loopback plug

A

tests a port

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

DHCP reservation

A

matches a MAC address to an IP address within the DHCP scope

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

punchdown tool

A

used to connect a network cable (such as Cat 5e) to a patch panel, 110-block, or the inside portion of a wall jack

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

wire stripper

A

used to remove the outer plastic shielding from the Cat 5e cable so that you can reach the inner wiring pairs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

cable tester

A

used to verify the electrical connections in a twisted pair or coaxial cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

EPS 12V

A
  • 8 pins
  • yellow and black wires
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

SATA

A
  • attaches internal drives to motherboard
  • 4 or 5 wires, all watts
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Molex KK

A
  • connect fan to motherboard
  • 3 circular pins (B, Y, R)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Molex

A
  • older cable that supplies power to peripheral devices
  • 4 pins
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

2.4 Ghz

A
  • longer wavelength = longer range
  • better at getting through surfaces
  • lower data rates
  • higher levels of congestion/interference
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

5 Ghz

A
  • shorter wavelength
  • higher data rates
  • more individual channels
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

IPS

A
  • great color accuracy
  • great viewing angle
  • lower refresh rates
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

TN

A

high refresh rates
- strong viewing angle dependence
- can be in budget display

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

VA

A

middle ground between IPS and TN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

jitter

A

occurs when a time delay in the sending of data packets over a network connection occurs

33
Q

latency

A

measure of time it takes for data to get to its destination

34
Q

ST connector

A

quick-release bayonet-style connector that has a long cylindrical connector
- terminate fiber optic cables

35
Q

F connector

A

used with coaxial

36
Q

Cat 5e

A

1 Gbps, 100m

37
Q

Cat 3

A

10 Mbps, 100m

38
Q

ethernet coax

A

10 Mbps

39
Q

fiber optic cable

A

10 Gbps, greater distances

40
Q

Cat 6a

A

10 Gbps, 100 m

41
Q

mini ITX

A

6.7 x 6.7
- used in smaller computer systems
- smallest form factor

42
Q

Telnet port

A

23
- unsecure

43
Q

SATA connectors

A

15 pins, 7 pin varieties

44
Q

Thunderbolt

A

20 and 24 pin varieties

45
Q

SCSI

A

50 and 36 pin varieties

46
Q

DVI-I

A

technology that is capable of connecting a digital source to an analog display or an analog source to a digital display

47
Q

chip creep``

A

an adapter works loose from its socket over time. This may happen perhaps because of temperature changes causing the plastic to flex over time.
- can also happen because dirt and dust

48
Q

type 1 hypervisor

A

installed directly on the computer
- bare metal

49
Q

extended read and write time reasons

A

bad sectors, bad blocks

50
Q

least to most volatile storage

A

mSATA, HDD, USB, RAM, CPU cache

51
Q

how many disk drives raid 0

A

2 or more

52
Q

802.3af

A

up to about 13 W

53
Q

802.3at

A

up to about 25 W

54
Q

802.3bt

A

up to about 51 W

55
Q

network access point

A

access appliance, such as a switch, access point, firewall, or VPN gateway. It is the device that a system makes a connection to in order to access a network.

56
Q

gigabit ethernet

A

1000BASE-T

57
Q

3.2 Gen 2x1

A

up to 10 Gbps

58
Q

USB 3.2 Gen 1

A

up to 5 gbps

59
Q

USB 3.2 Gen 2x2 Superspeed USB

A

2 x 10 gbps

60
Q

three long beeps

A

keyboard issue

61
Q

continuous beep

A

memory issue

62
Q

two short beeps

A

POST error

63
Q

motherboard issue beep code

A
  • no beeps
  • repeating short beeps
64
Q

no LED on HDD?

A

no system power, or faulty disk

65
Q

HDD mechanical issue signs

A

grinding disk platters, clicking noises

66
Q

constant LED activity on HDD

A

-disk thrashing = disk is constantly read, may be due to malware
-low system memory = not enough RAM so virtual memory constantly using

67
Q

benefits to SMART feature

A

check for physical damage and performance issues

68
Q

crimpers

A

attach jacks to RJ45 cables after removing the outer jacket

69
Q

cable stripper

A

removes a section of the cable sheath without damaging the insulation on the inner wire pairs to score the outer jacket just enough to remove it

70
Q

loopback plug

A

can test NICs or switch ports

71
Q

punchdown tools

A

press individual RJ45 wires into insulation displacement connectors
- terminates wall ports and patch panels using IDCs

72
Q

wifi analyzers

A

measure wireless signal strength to determine best wireless channel layout, collect network statistics, troubleshoot network performance, and detect other access points

73
Q

network tap

A

intercept ethernet signals passing over a cable and send/save them

74
Q

punchdown block

A

also known as insulation displacement connectors (IDCs), which terminate the permanent cable to wall ports and patch panels.

75
Q

cable tester

A

use a pair of devices attached to each end of a cable, testing a patch cord or those connected via patch cords to a wall port and patch panel testing permanent links

76
Q

Cat 5

A

100 Mbps Fast Ethernet standard

77
Q

VGA

A

15 pin connector, analog video interface

78
Q

SATA connector pins

A

15

79
Q

ST connector

A

bayonet-style connector that uses a push-and-twist locking mechanism. It’s commonly used in multi-mode networks, but can also be used with single-mode fibers.

80
Q

FC connector

A

used for single-mode fibers in high-speed network environments, such as data centers or telecom applications

81
Q

F type connector

A
  • used with coaxial cables
  • used for CATV and broadband cable modem installations.

A+ (21 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions