Networks: Layers, Protocols, Topologies

What is a network protocol?

• A shape of a network, such as star

• A set of rules for sharing data

• The requirements for passwords, such as length

• The size of a network, such as WAN

Which of the following is NOT a network protocol?

• UDP

• TCP

• LAN

• SMTP

Which of the following is an email protocol?

• TCP

• IMAP

• UDP

• 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

Which of the four layers in TCP/IP will choose the route the data will take?

• Application

• Internet

• Link

• Transport

Covers a small geographical area on a single site

• LAN

• PAN

• WAN

• SAN

The biggest WAN

• Internet

• Intranet

• Extranet

retreieve emails from server

• HTTP

• FTP

• SMTP

• IMAP

Which transmission media is capable of having a much higher bandwidth?

• Coaxial

• Twisted pair cable

• Plastic

• Fibre optic