2.7 Protocols

Question 1

IP (Internet Protocol)

Answer 1

A protocol in charge of routing and addressing data packets. This ensures that data packets are sent across networks to the right destination. It is also an addressing system

Question 2

TCP (Transmission Control Protocol)

Answer 2

A protocol that is in charge of data packets to be sent and received between computer systems it breaks data into packets and reassembles them into the original data at the destination

Question 3

UDP (User Data Protocol)

Answer 3

A faster alternative to TCP. It is used when low latency is important such as online games or video chat. However it doesn’t automatically check for errors so packets are more likely to be out of order or lost.

Question 4

SMTP (Simple Mail Transfer Protocol)

Answer 4

A protocol that is used to send emails to a mail server and between mail servers

Question 5

FTP (File Transfer Protocol)

Answer 5

A protocol that can be used to send files across a network

Question 6

HTTP (HyperText Transfer Protocol)

Answer 6

A protocol that can be used to transfer web pages over the internet so that users can view them in web browsers

Question 7

SNMP (Simple Network Management Protocol)

Answer 7

A protocol that records network statistics such as router usage

Question 8

ICMP (Internet Control Message Protocol)

Answer 8

Collects network status information (such as router errors) and is used for troubleshooting

Question 9

POP (Post Office protocol)

Answer 9

For downloading and storing emails for a mail server