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networks > Better Revision > Flashcards

Better Revision Flashcards

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 PAN stand for

A

Personal Area Network

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4
Q

Where would you find a LAN

A

In an Office building or school

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5
Q

What is an example of PAN

A

Bluetooth

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6
Q

Advantages of wired networks

A

More secure

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7
Q

Disadvantage of Wired Networks

A

Not much mobility

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8
Q

Advantage of wireless networks

A

Able to move around and use wifi

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9
Q

What does HTTPS stand for

A

HyperText Transfer Protocol

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10
Q

What is the difference between HTTPS and HTTP

A

HTTPs is a lot more secure and protects your information

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11
Q

What does FTP do

A

uploads or downloads a file

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12
Q

What does SMTP do

A

Used to send an email

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13
Q

What does POP do

A

Downloads the email to the device

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14
Q

What does IMAP do

A

It is used to access your registered emails on your server

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15
Q

WHAT are the 4 layers of TCP/IP stacks

A

Application
Transport
Internet
Link

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16
Q

What does application do in TCP/IP stacks

A

The application layer is where data is sent from software applications into the protocol stack

17
Q

What does Transport do in TCP/IP stacks

A

The transport layer breaks the application data down into data packets

18
Q

What does Internet do in TCP/IP stacks

A

The internet layer prepares the data for the internet. Source and destination IP addresses are added at this stage in a header.

19
Q

What does link do in TCP/IP stacks

A

The link layer is responsible for transporting IP packets across each of the individual links that make up the path between two communicating computers.

20
Q

What is a disadvantage of the bus topology

A

If 2 devices send data at once it can cause a collision and neither data packet is received

21
Q

What are the advantages of Bus Topology

A

If one device is compromised the whole thing keeps working
It is cheaper as you don’t need as many cables to make the topology work

22
Q

What is needed for a bus topology to work

A

Terminators

23
Q

What is the advantage of Ring topology

A

There are no collisions as the data travels in one direction

24
Q

What is a disadvantage of Ring topology

A

If one device is compromised the network stops working

25
Q
A

networks (10 decks)

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