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
What does POP stand for?
Post Office Protocol
26
What is the purpose of the POP?
To retrieve emails from a mail server and transfer them to your device while removing them from the server in the process
27
What does IMAP stand for?
Internet Message Access Protocol
28
What is the purpose of the IMAP?
To keep emails on the mail server
29
What does SMTP stand for?
Simple Mail Transfer Protocol
30
What is the purpose of the SMTP?
To transfer outgoing emails between servers and from email clients to servers
31
What are HTTP and HTTPS fundamental protocols of?
The WWW
32
What does the UDP use?
A simple, connectionless transmission model
33
What is a alternative to the TCP?
UDP
34
What are 2 disadvantages of the UDP?
- Has no error checking - Less reliable than the TCP
35
What is the FTP normally used on?
A WAN
36