1.3.3 and 1.3.4 - Networks and Web technologies Flashcards

1
Q

What is a protocol?

A

A set of rules for communication across devices

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2
Q

What is a standard?

A

A set of hardware that allow manufacturers to create products that are compatible with each other

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3
Q

How many bits is IPV4?

A

32 bits

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4
Q

What is IPV4 written in?

A

In decimals

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5
Q

How many bits is IPV6?

A

128

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6
Q

What is IPV6 written in?

A

Hexadecimal

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7
Q

What does IPV6 allow the internet to do?

A

Grow as more resources are available

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8
Q

Give 2 advantages of IPV6?

A
  • More possibilities for IP addresses
  • More unique IP addresses available
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9
Q

What does a web server do?

A

Checks and then interprets a URL

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10
Q

What are 3 advtantages of a network?

A
  • Users can share files
  • Users can communicate with people
  • Users can access files from any computer on the network
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11
Q

What are 3 disadvantages of a network?

A
  • Increases security risk to data as malware and viruses spread very easily
  • Computers may run slower if there is a lot of data travelling on a network
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12
Q

What happens if we didn’t have standards?

A

Most devices wouldn’t be able to communicate with one another

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13
Q

What does TCP stand for?

A

Transmission Control Protocol

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14
Q

What is the purpose of the TCP?

A

Provides error-free transmission between two routers

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15
Q

What does IP stand for?

A

Internet Protocol

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16
Q

What is the purpose of the IP?

A

Routes packets across a WAN

17
Q

What deos UDP stand for?

A

User Datagram Protocol

18
Q

What is the purpose of the UDP?

A

Sends short messages using datagrams

19
Q

In the UDP, what is speed more important than?

20
Q

What does HTTP stand for?

A

Hypertext Transfer Protocol

21
Q

What is the purpose of the HTTP?

A

A way for a client to send and recieve requests and deliver HTML web pages

22
Q

What is the purpose of the HTTPS?

A

The same as HTTP expect it adds in encryption and authentication

23
Q

What does FTP stand for?

A

File Transfer Protocol

24
Q

What is the purpose of the FTP?

A

Used for sending files between computers

25
Q

What does POP stand for?

A

Post Office Protocol

26
Q

What is the purpose of the POP?

A

To retrieve emails from a mail server and transfer them to your device while removing them from the server in the process

27
Q

What does IMAP stand for?

A

Internet Message Access Protocol

28
Q

What is the purpose of the IMAP?

A

To keep emails on the mail server

29
Q

What does SMTP stand for?

A

Simple Mail Transfer Protocol

30
Q

What is the purpose of the SMTP?

A

To transfer outgoing emails between servers and from email clients to servers

31
Q

What are HTTP and HTTPS fundamental protocols of?

32
Q

What does the UDP use?

A

A simple, connectionless transmission model

33
Q

What is a alternative to the TCP?

34
Q

What are 2 disadvantages of the UDP?

A
  • Has no error checking
  • Less reliable than the TCP
35
Q

What is the FTP normally used on?