Unit-1|Basics of 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

A computer network can share printers and software.

• 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

The rules that specify how data is transmitted.

• Protocols
• Parallels
• Bandwidth
• Mulitiplexers

Identify the type of network in the above image

(a)  

Transmission media lie below

• Physical

• Application

• Data link

• Network

Which two layers of OSI are merged in network access layer of TCP IP model?

• Application, Presentation

• Data link, Physical

• Network, Data link

• None

Which one of them is not application layer protocol?

• TCP

• HTTP

• FTP

• SMTP