14.1 Protocols Cambridge iA 9618

What is a network protocol?

• A set of rules governing communication between computers.

• A physical connection between computers.

• A type of computer virus.

• A method of storing files.

Why are protocols necessary for network communication?

• They ensure that different devices can understand each other.

• They increase internet speed.

• They prevent all network errors.

• They are only used in wireless communication.

Which protocol provides peer-to-peer file sharing?

• BitTorrent

• HTTP

• FTP

• IMAP

Which of the following is NOT one of the four layers of the TCP/IP model?

• Data Link

• Transport

• Internet

• Application

Which TCP/IP layer is responsible for establishing host-to-host communication?

• Transport

• Application

• Internet

• Link

Which layer of the TCP/IP model deals with IP addressing and routing?

• Internet

• Application

• Transport

• Link

Which protocol is primarily used for sending email?

• SMTP

• IMAP

• FTP

• HTTP

Which protocol is used to retrieve emails from a mail server while keeping them stored on the server?

• IMAP

• POP3

• SMTP

• HTTP

Which protocol transfers files over the internet?

• FTP

• SMTP

• IMAP

• HTTP

Which protocol is used for loading web pages?

• HTTP

• FTP

• SMTP

• POP3