1.3.2 - Protocols and Layers

From the following options, select the four correct layers of the TCP/IP model

• Application, Transport, Network, Link

• Application, Data, Internet, Link

• Software, Transport, Network, Ethernet

• Fetch, Decode, Execute, Repeat

What is a protocol?

• A unit of measurement

• A type of connection for a network cable

• A set of rules for how something behaves or interacts

• A person who standardises online content

Which of the following is NOT a network protocol?

• UDP

• TCP

• LAN

• SMTP

Which of the following is an email protocol?

• TCP

• IMAP

• HTTP

• FTP

Which protocol is used for sending emails?

• FTP

• IMAP

• SMTP

• POP3

Which is the first of the four layers in the TCP/IP model?

• Internet

• Transport

• Application

• Link

What is meant by a data packet?

• A unit of data that travels along a network

• The number of error found in data when it has been transmitted

• The data a computer needs to connect to a network

• A connection point in a network that allows data to be shared

Which layer splits data into packets?

• Transport Layer

• Application Layer

• Network Layer

• Link Layer

Which protocol would you use to transfer files?

• FTP
• SMTP
• POP3
• HTTP

Which protocol does this symbolise?

• HTTPS
• SMTP
• FTP
• IMAP