Computer Networks

What is this a picture of?

• Cable

• Switch

• Wireless router

• Phone Mast

What does LAN stand for?

• Local Area Network

• Line Area Network

• Local Around Network

• Listed Area Network

Hubs are more efficient in distributing data packets than Switches?

• True

• False

Which network covers a large geographical area?

• LAN

• WAN

A computer network is a system of:

• two or more computing devices connected to one another

• Data transfer and information storage

• Sharing devices like scanners

• A whole lot of individual machines working on their own

Which if these terms refers to the maximum rate at which data can betransferred? (1-4)

• Error detection
• Packet switching
• Bandwidth
• Transmission media

The rules that specify how data is transmitted.

• Protocols
• Parallels
• Bandwidth
• Mulitiplexers

Which of these is not a network protocol?

• HTTP

• POP3

• SMTP

• HDMI

Which layer provides the services to user?

• application layer

• session layer

• presentation layer

• physical layer

The number of layers in ISO OSI reference model is __________

• 4

• 5

• 6

• 7