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CompTIA A+ > Internet > Flashcards

Internet Flashcards

1
Q

Internet

Computers that share the same network ID

A

Local Area Network

LAN

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2
Q

Internet

Two or more LANs interconnected by one or more routers.

A

Wide Area Network

WAN

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3
Q

Internet

A WAN that spans a city

A

Metropolitan Area Network

MAN

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4
Q

Internet

Point-to-point connection used only in Bluetooth connections

A

Personal Area Network

PAN

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5
Q

Internet

Composed of many organizations that connect to eachother

A

The Internet

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6
Q

Internet

These are providers that do not pay anyone and have peering agreements

No Cry

A

Tier 1

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7
Q

Internet

These providers pay some Tier 1s but also peer with Tier 1s and Tier

2 x cry

A

Tier 2

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8
Q

Internet

Pay Tier 1 or Tier 2 providers

I cry

A

Tier 3

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9
Q

Internet

Goes by the name plain old telephone service (POTS)

A

Dial up

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10
Q

Internet

Dial-up plug connectors to phone system

RaJ-DaD

A

RJ-11

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11
Q

Internet

Convert analog POTS to digital COM port connections

A

Modems

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12
Q

Internet

Modems connect to other modems using

A

Phone Numbers

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13
Q

Internet

High speed, always on connections

A

Broadband

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14
Q

Internet

Runs on top of telephone service

A

Digital Subscriber Line (DSL)

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15
Q

Internet

Data Over Cable Service Interface Specification (DOCSIS) uses

A

Cable connections

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16
Q

Internet

Provide service to remote locations

A

Satellites

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17
Q

Internet

Many metro areas provide native

A

Ethernet for an ISP

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18
Q

Internet

Client and server are required for

A

All internet connections

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19
Q

Internet

Primary function of a firewall is to

A

block ports

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20
Q

Internet

Client and server networks use

A

Firewalls

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21
Q

Internet

Firewalls block ports on incoming

A

Vs outgoing

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22
Q

Internet

Must not block incoming ports on the ports to which they listen

A

Servers

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23
Q

Internet

Used to transfer files from one system to another

A

File Transfer Protocol (FTP)

24
Q

Internet

You need an FTP client and all

A

Web browsers are also FTP clients

25
Q

Internet

FTP uses TCP port 21

21-P

A

Passive Mode

26
Q

Internet

FTP uses TCP port 21 in

A

Active mode

27
Q

Internet

For FTP Active Mode to allow port 20 incoming

A

Port Triggering

28
Q

Internet

Email uses this to send e-mail from a client to an e-mail server

A

Simple Mail Transfer Protocol (SMTP)

29
Q

Internet

To pull down e-mail message from e-mail server

A

Post Office Protocol V3 (POP3)

30
Q

Internet

To pull down e-mail message from e-mail server

A

Internet Message Access Protocol (IMAP)

31
Q

Internet

SMTP uses TCP Port

NaiL

A

25

32
Q

Internet

POP uses TCP port

DaDS

A

110

33
Q

Internet

IMAP uses port

imap DReaM

A

143

34
Q

Internet

Requires knowledge of IP addresses or DNS name for different servers

A

To set up an e-mail account.

35
Q

Internet

Servers as a go between - between a client and a server

A

Proxy Server

36
Q

Internet

Application Specific

A

Proxy Servers

ie

Web Proxy for HTTP / HTTPS

37
Q

Internet

Proxy servers provide

A

firewalling

38
Q

Internet

Proxy servers provide

A

Check for malware

39
Q

Internet

Proxy servers provide

A

Ban bad URLs

40
Q

Internet

in order for an application to use a proxy server

A

The address of the proxy server must be known

41
Q

Internet

Use the Internet to create a private connection to a remote network

A

Virtual Private Networks (VPNs)

42
Q

Internet

To connect to a VPN server at the remote network a

A

VPN client program is needed

43
Q

Internet

In order for the VPN client to connect to the VPN server

A

The VPN client needs to know the IP address of the VPN server

44
Q

Internet

Giving internet capability to devices not traditionally associated with the Internet such as

Lightbulbs, toasters

A

Internet of Things (IoT)

45
Q

Internet

Common IoT connection

A

802.11

46
Q

Internet

Common IoT connection

A

Zigbee

47
Q

Internet

Common IoT connection

A

Z-Wave

48
Q

Internet

IoT requirement to link to IoT

A

IoT hub

49
Q

Internet

Add voice capabilities to IoT

A

Amazon Alexa

50
Q

Internet

Add voice capabilities to IoT

A

Apple Siri

51
Q

Internet

Add voice capabilities to IoT

A

Google Home

52
Q

Internet - Quiz

Dial-Up connection speeds max out at

LeaCH

A

56Kbps

53
Q

Internet - Quiz

Broadband DSL may require

A

PPoE authentication

54
Q

Internet - Quiz

DOCSIS standard is used by

A

Cable broadband

55
Q

Internet - Quiz

The client (system running the browser) must allow outbound traffic on port

PeZ

A

80

56
Q

Internet - Quiz

Inbound port 80 on a web client should be

A

blocked

CompTIA A+ (26 decks)

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