Network Protocols

Question 1

What is a protocol?

Answer 1

A set of rules that governs how a computer communicate on a network

Question 2

What is Ethernet

Answer 2

A family of protocols

Set of rules that govern how data is formatted for transmission across a LAN

Question 3

What is wi-fi

Answer 3

Control how data is transmitted on a wireless local area network (WLAN)

Question 4

What is TCP/IP?

Answer 4

Transfer Control Protocol
Internet Protocol
2 protocols that often work together
Their role is to break up data into packets, each of which is a chunk of data that know where it has been sent from and where it is to be delivered to

Question 5

What is UDP

Answer 5

User Datagram Protocol
Transmits data packets very quickly, but without checking to see whether each packet has arrived, so it is not always reliable

Question 6

What is HTTP

Answer 6

Hypertext Transfer Protocol

Set of rules that governs how hypertext is moved around the Internet, from device to device

Question 7

What is HTTPS

Answer 7

HTTP Secure
Encrypts data that is sent across the Internet
Encrypted data cannot be read so is favoured when entering sensitive info

Question 8

What is FTP

Answer 8

File Transfer Protocol

Question 9

What is the SMTP

Answer 9

Simple Mail Transfer Protocol
How files are moved frm computer to another across the Internet
Heavily relied upon in building websites, moving files from the developer’s computer to a server, from where they can be accessed publicly

Question 10

What is IMAP

Answer 10

Internet Message Access Protocol

Used to allow multiple devices to access the same email account