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A+ 220-1001 > Domain 2.0: Networking > Flashcards

Domain 2.0: Networking Flashcards

1
Q

FTP uses port ___ and port ___ for FTPS

A

21 FOR FTP

990 for FTPS

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2
Q

Secure Shell (SSH) & Secure File Transport Protocol (SFTP) bth use port ___

A

22

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3
Q

Telnet uses port ____

A

23

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4
Q

The DHCP server has inbound port ___ open and port ___ is used by the client

A

DHCP Server 67

Client connecting to DHCP 68

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5
Q

A Domain Name Server (DNS) has port __ opened by default

A

53

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6
Q

LightWeight Directory Access protocol (LDAP) uses port __ and Secure LDAP (SLDAP) uses ___

A 
LDAP = 389
SLDAP = 636
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7
Q

Remote Desktop Protocol uses port

A

3389

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8
Q

Server Message Block (SMB) uses port ___ and is used to provide access to shares items such as files and printers

A

445

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9
Q

Apple filtering Protocol offer services for Mac computers running Mac OS & OS X, allowing for transfer of files across the network that uses port ___

A

548

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10
Q

Service location protocol (SLP) allows device to find services on the LAN without prior configuration. It uses port ___

A

427

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11
Q

Used to maintain distributed directories of information.

A

Lightweight Directory Protocol

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12
Q

Provides access to shared items such as files and printers

A

Server Message Block

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13
Q

Offers services for Mac computers running macOS and OS X

A

Apple filtering protocol

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14
Q

Used as a standard for managing and monitoring devices in the network.

A

Simple network management protocol

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15
Q

When there is a alert that needs to be sent to the administrator in a SNMP it’s known as a ___ and uses port __

A

Trap and uses port 162

SNMP uses 161

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16
Q

Allows computers and other devices to find services in a local area network (LAN) without prior configuration

A

Service Location Protocol and runs in port 427?

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17
Q

What does 802.11 define

A

802.11 defines the standards for wireless lans (WLAN)

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18
Q

802.3 defines

A

Wired Ethernet over twisted pair cable

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19
Q

Any hardware or software used to protect a computer from unwanted intrusion

A

Firewall

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20
Q

Software or device used that provides for centralized management

A

Network controller

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21
Q

Used to lengthen the signal farther than it was designed to go originally

A

Repeater

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22
Q

DSL modem use RJ__ port

A

RJ11

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23
Q

Coaxial cables uses what port

A

RG-6

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24
Q

Channels 0-11 are used by

A

2.4 ghz wireless clients

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25
Q

Channels 48-165 is used by

A

5 GHz

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26
Q

Forwards an external network port to an internal IP address and Port

A

Port forwarding

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27
Q

Destination NAT is also known as

A

Port forwarding

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28
Q

Group of networking protocols that allow computers, printers and other internet ready devices to discover each other on the network

A

Universal plug and play

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29
Q

Feature that attempts to prioritize data for specific for computer or program

A

Quality of service (QOS)

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30
Q

System used to Detect unauthorized access to the network and remove it from the network

A

Intrusion prevention system (IPS)

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31
Q

Used to determine whether an unauthorized person has attempted to access the network and alert the system administrator

A

Intrusion detection system (IDS)

32
Q

Incorporate the features of the firewall along with antivirus, anti spam and content filtering and intrusion prevention for the entire network

A

Unified threat management (UTM)

33
Q

Policy based approach to network security. it requires endpoint devices to meet particular criteria before they can be granted access to the network resource

A

End point management server

34
Q

Servers that centrally control the discovery of endpoint devices in the deployment and updating of those devices security software in features

A

Endpoint management server

35
Q

When a computer does not detect a DHCP Server and assigns itself a IP address.

A

Automatic Private IP address (APIPA)

36
Q

What IP address is the automatic private IP a addressing on?

A

169.254.00.000 network

37
Q

A group of one or more LAN connected over a large geographical area

A

Wide area network (WAN)

38
Q

It is not a large geographical area but needs an Internet service provider (ISP) for a high-speed link. Connectes two LAN in the same city

A

Metropolitan area network (MAN)

39
Q

Builds on dial up by providing full digital data transmissions over phone lines but at high speed

A

Digital subscriber line (DSL)

40
Q

Enable transmission over copper wires that it’s faster than dial up

A

Asymmetrical digital subscriber line (ADSL)

41
Q

How does a TCP establish a connection

A

3 way handshake
Synchronize
Acknowledgment / synchronize
Acknowledgment

42
Q

What is flow control

A

Flow control is what TCP uses to make sure the sender does not send to many packets too quickly

43
Q

A central connecting device that all computers connect to in a weird fashion (Star)

A

Switch

44
Q

What is an access point

A

WAP enables communication over the air via 2.4 GHZ or 5 GHZ

45
Q

What 802.11 Standard run on 5 GHZ Frequency

A

802.11 b, g & n

46
Q

What is a proxy server used for

A

Acts as a gateway between you and the Internet

47
Q

Devices that have am integrated CPU and RAM and can process information internally without the need for a controlling system

A

Embedded / legacy systems

48
Q

What is a wireless mesh network?

A

Wireless access points have multiple connections to each other in a mesh or matrix pattern.

49
Q

What does Ad Hoc mean?

A

Ad Hoc means there is no controlling device, server or access point

50
Q

What is Plain Old Telephone Service (POTS)

A

POTS is a simple landline that comes into the home. allowing a person to make phone calls

51
Q

What is PSTN

A

PSTN is the entire set of hardware and tech at a telephone company central office that controls POTS

52
Q

Builds on dial-up by providing full digital data transmissions over the phone lines but a high speeds

A

Digital Subscriber Line (DSL)

53
Q

DSL Modems connect to the phone line

A

True

54
Q

Enable transmission over copper wries that is faster than dail up and have faster download speeds than upload.

A

Asymmetrical Digital Subscriber Line (ADSL)

55
Q

Download and upload speeds are the same and is faster than dial-up. Rates is anywhere from 1.5 - 5 mbps

A

Symmetrical Digital Subscriber Line (DSL)

56
Q

A RG-6 Cable is also known as

A

Coaxial cable or Internet cable

57
Q

F screw connector is used on what cable

A

RG-6 / Coaxial

58
Q

Uses a parabolic antenna to connect via line of sight to a satellite

A

Satellite

59
Q

Used to connect to the internet when landline internet access is not available

A

Satellite

60
Q

Requires the customer reception device to face the access point at the tower or ground station of the provider without any obstruction

A

Line-of-sight or Fixed

61
Q

What type of connection is limited by the distance from the central office for communication

A

DSL

62
Q

Continuity tester or Cable certifier are also known as

A

Cable tester

63
Q

What tool is used to test network adaptor when it is not connected to the network

A

Loopback plug
Since the cable is not on the network, the port for that cable will not light up on the switch / router until a loopback plug is connected and send the signal back

64
Q

What tool is used to make sure each wire in the cable was wired correctly and works properly

A

Cable tester / Continuity tester or Cable certifier

65
Q

what tool is used to find cable/phone lines

A

Tone Generator / Probe kit
You connect the tone generator to one end of the cable and use the probe device / Inductive amplifier to detect the tone anywhere along the cable

66
Q

What is the function of a Time-Domain Reflectometer (TDR)?

A

Finding breaks in copper network cables

67
Q

What 802.11 standard incorporates MIMO

A

802.11N & AC

68
Q

What 802.11 standard incorporates MU-MIMO

A

802.1AC

69
Q

The IEEE 802.11n standard specifies available channel bandwidth

A

20 & 40 MHz

70
Q

What channel bandwidths are specified in the IEEE 802.11g standard?

A

20 MHz

71
Q

What channel bandwidth is used in 802.11b networks?

A

22 MHz

72
Q

What is the channel bandwidth specified in the IEEE 802.11a standard?

A

20 MHz

73
Q

The IEEE 802.11n standard offers backward compatibility with

A

802.11a , b & g

74
Q

The IEEE 802.11g standard is backward compatible with:

A

802.11b

75
Q

What are the characteristic features of a WPA/WPA2 Enterprise mode?

A

Requires RADIUS authentication server & Suitable for large corporate networks

A+ 220-1001 (5 decks)

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