Networks Flashcards

1
Q

LAN stands for…

A

Local Area Network

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2
Q

WAN stands for…

A

Wide Area Network

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3
Q

A LAN consists of a number of computers that are…

A

linked together on a single site

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4
Q

A LAN spreads over a…

A

small geographic area

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5
Q

A LAN often uses … to link computers

A

copper cabling

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6
Q

A WAN consists of a collection of networks that are connected using a…

A

telecommunications link

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7
Q

A WAN spreads over a…

A

vast geographic area

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8
Q

A WAN uses … to link computers

A

fibre optic cabling or wireless technology

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9
Q

An advantage of using a network is that … can be shared

A

expensive peripherals

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10
Q

An advantage of using a network is that computers can … such as software

A

share resources

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11
Q

An advantage of using a network is that you can log on to…

A

any computer to access your files

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12
Q

An advantage of using a network is that a … may be stored on the file server for use by all on the network

A

single software copy

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13
Q

NIC stands for…

A

Network Interface Card

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14
Q

An NIC is necessary for each computer on a network so that it can…

A

communicate with devices on the network

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15
Q

An NIC connects the PC…

A

to the file server via a network cable

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16
Q

WNIC stands for…

A

Wireless Network Interface Card

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17
Q

A WNIC can be installed in a computer to allow it to…

A

connect to a wireless router

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18
Q

Network cables link computers…

A

to each other and the network

19
Q

Network cables plug into the … and carry information…

A

NIC, to and from the file server

20
Q

The file server is the … on the network

A

main computer

21
Q

The file server is … than all the other components on the network

A

more powerful

22
Q

The file server has a large amount of…

A

RAM and hard disk space

23
Q

The file server manages…

A

file and network security across the network

24
Q

The file server makes sure that only…

A

authorised users log on to the network

25
Q

A typical file server holds… as well as…

A

application software such as Microsoft Office, user files created by users on the network

26
Q

The switch connects the … and organises communication between the two

A

file server to the computers

27
Q

The switch can send … to a particular computer

A

data packets

28
Q

A router shares a…

A

network connection between the devices on the network

29
Q

A router enables a LAN to…

A

connect to a WAN or the internet

30
Q

A router can have … such as a firewall

A

integrated security features

31
Q

A router can be … , providing an internet connection without the inconvenience of cables

A

wireless

32
Q

Define the term protocol [2]

A

An agreed set of rules for sending or receiving data on a network

33
Q

Network communications protocols are necessary to allow computers to…

A

communicate with each other

34
Q

… provide translation from one protocol to another

A

Routers

35
Q

What protocol does the internet use?

A

Transmission Control Protocol/Internet Protocol (TCP/IP)

36
Q

List three basic network security measures.

A
  1. Passwords
  2. Levels of access
  3. Encryption
37
Q

Passwords prevent … from accessing the network

A

unauthorised users

38
Q

List three characteristics or conventions of a strong password.

A
  1. Minimum of 8 characters
  2. Alphanumeric
  3. Changed regularly
39
Q

The function of levels of access is to…

A

limit the things that users can do on a network

40
Q

Pupils, teachers and the system manager have…

A

different levels of access

41
Q

The purpose of encryption is to keep data being sent across a network…

A

secure

42
Q

Encryption is the process of…

A

encoding data that is to be sent across a network, making the data unreadable to anybody who intercepts it

43
Q

Only a user with the … can decode the data when it arrives at its destination

A

encryption key software