Protocols

Question 1

What does the protocol TCP stand for and what are it’s key features? (2)

Answer 1

Transmission Control Protocol

• part of the TCP/IP protocol stack
• provides error free transmission between two routers

Question 2

What does the protocol IP stand for and what are it’s key features? (2)

Answer 2

Internet Protocol

• part of the TCP/IP protocol stack
• routes packets across a WAN

Question 3

What is the TCP/IP protocol stack? (2)

Answer 3

• it is made up of the TCP and IP protocols, and some others
• it forms the foundation of communication over the internet

Question 4

What does the protocol UDP stand for and what are it’s key features? (5)

Answer 4

User Datagram Protocol

• uses a simple, connectionless transmission model
• similar to TCP but has no error checking
• used to send short messages and datagrams where speed is more important than accuracy
• maintains a two way, open connection (ideal for gaming)
• largely obsolete as it is less reliable than TCP

Question 5

What does the protocol HTTP stand for and what are it’s key features? (2)

Answer 5

Hypertext Transfer Protocol

• Used to send and receive HTML page requests
• It is a fundamental protocol of the WWW

Question 6

What does the protocol HTTPS stand for and what are it’s key features? (2)

Answer 6

Hypertext Transfer Protocol Secure

• The same as HTTP except uses encryption and authentication
• Should be used when dealing with sensitive information

Question 7

What does the protocol FTP stand for and what are it’s key features? (3)

Answer 7

File Transmission Protocol

• Used for sending files over a WAN
• Often people use FTP clients (software that uses FTP)
• When you interact with the programme, the client generates and receives FTP commands

Question 8

What does the protocol SMTP stand for and what are it’s key features? (1)

Answer 8

Simple Mail transfer Protocol

• Used to transfer outgoing emails between client and server

Question 9

What does the protocol POP stand for and what are it’s key features? (1)

Answer 9

Post Office Protocol

• Retrieves emails from a server then deletes them on the server

Question 10

What does the protocol IMAP stand for and what are it’s key features? (2)

Answer 10

Internet Message Access Protocol

• Retrieves mail but keeps a copy on the server
• thus being able to maintain synchronicity between devices