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Computer Essentials > A+ Domain 2 Networking > Flashcards

A+ Domain 2 Networking Flashcards

1
Q

Which connector type is used on cables which transmit TV signals?

A

Coaxial

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2
Q

Which are types of twisted-pair connectors? Choose two answers.

A

RJ-11

RJ-45

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3
Q

Which fiber connector has a round shape?

A

ST

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4
Q

If a cable has an end that is a T568A end and another end that is a T568B end, which type of cable is being used?

A

Crossover cable

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5
Q

Striped colored wires are found in which pins?

A

Odd pins

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6
Q

In a crossover cable, what color wire is in Pin 4 on the end connected to a computer if a blue wire is in Pin 4 on the end of the cable connected to a switch?

A

Blue

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7
Q

Which fiber optic cable will travel the longest distance?

A

10GBase-ER

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8
Q

In an S/UTP cable, how is the cable shielded?

A

Shielding is around each pair

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9
Q

A technician needs to run twisted-pair cable though an open space between walls. Which type of cable must be used in this situation?

A

Plenum

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10
Q

What can happen if two cables are too close to each other as cables are installed in a network infrastructure?

A

Crosstalk

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11
Q

Which twisted-pair cables transmit at speeds higher than 1 Gbps? Choose three answers.

A

CAT 6
CAT 7
CAT 6e

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12
Q

What makes CAT 7 stand out from CAT 6 and Cat 6e cables?

A

It uses individual shielding for wire pairs

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13
Q

When using a splitter for DSL in a home network, the splitter __________ quality due to __________ signal interference.

A

increases; less

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14
Q

Which coaxial cable type is usually used for transmitting data between a TV and DVD player?

A

RG-59

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15
Q

What is the main role of a coaxial cable splitter?

A

Split the TV signal from streaming data

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16
Q

IPv4 addresses are __________ bits in length while IPv6 addresses are 128 bits in length

A

32

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17
Q

Binary numbers should be read from __________ to __________.

A

left; right

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18
Q

Binary numbers should be read from __________ to __________.

A

right; left

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19
Q

Which IPv6 address is not a legitimate address and why?

A

2001:93gb:78ac:d001:0000:e531:0001 because of the g

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20
Q

How can the IPv6 address of 2011:0000:0000:2a43:e325:0000:0000:0001 be shown? Choose two answers.

A

2011: 0000:0000:2a43:e325::1
2011: :2a43:e325:0000:0000:0001

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21
Q

Which is not a private IP address and why?

A

172.32.1.4 because the 32 is higher than the 31 cutoff

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22
Q

Which is the IPv6 indicator for an APIPA address and with what prefix?

A

fe80 and 64

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23
Q

Which should have static IP addresses? Choose two answers.

A

Server

Printer

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24
Q

On which tab in the TCP/IP v4 Properties can a second IP address be set for a device?

A

Alternate Configuration

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25
Q

A device has an IP address of 192.168.1.4 and a subnet mask of 255.255.255.0. Which option describes the network portion?

A

192.168.1

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26
Q

Each subnet must have a __________ and a __________.

A

network address; host address

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27
Q

A class E subnet is reserved for which purpose?

A

Government and experimental use

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28
Q

What IP address is used to ping a local host?

A

127.0.0.1

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29
Q

What IPv4 address is used to ping a local host?

A

127.0.0.1

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30
Q

What IPv6 address is used to ping a local host?

A

::1

31
Q

A technician needs to place 500 devices on a network. Using CIDR, what is the best host IP address?

A

192.168.0.1/24

32
Q

What is the subnet mask of a 172.16.4.1/16 network?

A

255.255.0.0

33
Q

The default gateway acts as a __________.

A

switchboard operator

34
Q

The default gateway address for a network is 10.0.2.2. The IPv4 address for a device on the network is 10.0.2.46. The subnet mask is 255.255.255.0. How will the default gateway handle the message from a device within the 10.0.2.2 network?

A

The devices are on two separate networks, so the default gateway will encode the message and route it outside of the network

35
Q

Which protocol uses UDP to transfer files?

A

TFTP

36
Q

Which protocol uses port numbers 137-139 and 445?

A

SMB

37
Q

Which ports are reserved for the AFP protocol? Choose two answers.

A

Port 427
Port 443
Port 548

38
Q

Which ports are used for the Internet? Choose two answers.

A

Port 80- HTTP

Port 443- HTTPS

39
Q

Which port is reserved for the DNS protocol?

A

Port 53

40
Q

Which protocol is used to connect to remote systems without encryption?

A

Telnet

41
Q

On which port is the RDP protocol located?

A

3389

42
Q

Which ports and protocols are used for incoming email? Choose two answers.

A

Port 143- IMAP

Port 110- POP3

43
Q

TCP/IP is a/an __________.

A

suite of protocols

44
Q

802.11n can run at speeds of __________ and up to __________ on a dual link.

A

300 Mbps; 600 Mbps

45
Q

In the 802.11ac standard, each antenna can run up to 400 Mbps. A smartphone generally has __________, while a desktop may have up to __________ antennas.

A

one; four

46
Q

Which 802.11 standards are susceptible to interference from cordless phones and microwave ovens? Choose three answers.

A
  1. 11b
  2. 11g
  3. 11n
47
Q

WPA2 replaced which wireless encryption protocols? Choose two answers.

A

WEP

WPA

48
Q

Which mode, supported by both WPA and WPA2, uses RADIUS?

A

Enterprise

49
Q

Which encryption type is used with WPA?

A

TKIP

50
Q

Which 2.4 GHz channels are safe to use on the North American continent? Choose three answers.

A

1
6
11

51
Q

A small business is looking for a cheap solution for configuring a DMZ. Which is the best option for the company?

A

Installing a single firewall with connections to the Internet, Web server, and the internal network

52
Q

NAT is run on which type of device?

A

A router or firewall placed between the public and private networks

53
Q

DNAT assigns private addresses a public address from a pool of available __________.

A

public IP addresses

54
Q

Under which menu are the settings for UPnP found?

A

Advanced Setup

55
Q

Which type of Internet connection is typically shared with other customers in the area?

A

Cable

56
Q

In ADSL, download speeds are __________ to/than upload speeds.

A

faster

57
Q

Fiber Internet connections are available in all areas.

A

false

58
Q

In a satellite Internet connection, signal has to travel over __________ before reaching the satellite, and will then travel back to Earth.

A

20,000 miles

59
Q

Which are the two most common cellular connection types?

A

4G

4G LTE

60
Q

Which are methods used to connect to a mobile hotspot? Choose two answers.

A

An access point on a smartphone or tablet

A MiFi device

61
Q

A SOHO network is an example of which type of network?

A

LAN

62
Q

Which type of network is comprised of several LANs in separate locations?

A

WAN

63
Q

WANs are almost always leased from a __________.

A

telecommunications provider

64
Q

PANs typically are used with which type of devices?

A

Bluetooth-related devices

65
Q

Which type of network architecture device sends a received signal to every device on a network?

A

hub

66
Q

Which type of network architecture device replaced a hub?

A

switch

67
Q

A router can act as an access point but will also need a modem to perform which action?

A

Route traffic from the network out to the Internet

68
Q

Which two types of modems are found in most business configurations?

A

DSL

Cable

69
Q

Which is a common type of bridge found in modern networks?

A

Wireless bridge

70
Q

A patch panel typically sits between cables in a wall and which other network architecture device?

A

switch

71
Q

Which is the definition of Ethernet over Power?

A

An adapter which allows for an Ethernet connection using an existing electrical wiring in a building

72
Q

Which option uses a Power over Ethernet injector?

A

VoIP

73
Q

A __________ sends a signal from one end of a cable, while a __________ receives the signal at the other end.

A

tone generator; tone probe

74
Q

A Wi-Fi analyzer is often a simple _________ to identify Wi-Fi networks in an area.

A

app

Computer Essentials (12 decks)

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