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10E3 Computer Science > Networking > Flashcards

Networking Flashcards

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1
Q

What does LAN stand for?

A

Local Area Network

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2
Q

What does WAN stand for?

A

Wide Area Network

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3
Q

What does NIC stand for?

A

Network Interface Card

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4
Q

What does IP stand for?

A

Internet Protocol

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5
Q

What does MAC stand for?

A

Media Access Control

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6
Q

What does POP stand for?

A

Post Office Protocol

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7
Q

What does IMAP stand for?

A

Internet Message Access Protocol

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8
Q

What does SMTP stand for?

A

Simple Mail Transfer Protocol

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9
Q

What does TCP stand for?

A

Transmission Control Protocol

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10
Q

What is a Protocol?

A

A set of rules or guidelines which computer devices will use to communicate data.

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11
Q

What is data traffic?

A

The amount of data moving across a network

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12
Q

What is an IP address?

A

An address given to a network

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13
Q

What is a MAC address?

A

A unique address assigned to every device with a NIC. MAC addresses enable us to see specific devices connected to a network.

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14
Q

What is the purpose of SMTP?

A

A Protocol for sending (outgoing) email messages between servers.

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15
Q

What is the purpose of POP?

A

A Protocol used to receive emails from a mail server. This Protocol does not store the emails received on the web server. These are stored on the device which downloads the original email. Once the email has been downloaded the email is removed from the server.

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16
Q

What is the purpose of IMAP?

A

Internet Message Access Protocol is a Protocol which allows emails to be receive from a mail server. IMAP keeps the emails received on a web server, allowing all devices which have access to the server to read the emails, unlike POP which removes them from the web server when they are downloaded to a single device.

17
Q

What is a network topology?

A

An arrangement of a network.

18
Q

What are the four network topologies?

A

Star, ring, bus and mesh

19
Q

Which topology is the simplest and cheapest to setup?

A

A star network topology

20
Q

Which network breaks down when the backbone is broken?

A

The bus network

21
Q

Which network topology only allows data to move in one direction?

A

A star network topology

22
Q

Which network topology is the most expensive and complex?

A

A mesh network topology

23
Q

What are the three methods of connection?

A

Copper, fibre optic and wireless

24
Q

What is bandwidth?

A

The capacity of a wired or wireless network communications link to transmit the maximum amount of data from one point to another. Measured in MBps.

25
Q

What is latency?

A

The total time it takes a data packet to travel from one node to another

26
Q

What is encryption?

A

The process of scrambling up data so it cannot be intercepted by unauthorised individuals

27
Q

What is decryption?

A

The process of transforming data that has been made unreadable through encryption back to its unencrypted form.

10E3 Computer Science (3 decks)

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