Computer Networks Introduction

1 Computer Network is

• A. Collection of hardware components and computers

• B. Interconnected by communication channels

• C. Sharing of resources and information

• D. All of the Above

2.Protocols are?

• A. Agreements on how communication components and DTE's are to communicate

• B. Logical communication channels for transferring data

• C. Physical communication channels sued for transferring data

• D. None of above.

what is a Firewall in Computer Network?

• A. The physical boundary of Network

• B. An operating System of Computer Network

• C. A system designed to prevent unauthorized access

• D. A web browsing Software

Which data communication method is used to transmit the data over a serial communication link?

• A. Simplex

• B. Half-duplex

• C. Full duplex

• D. All of above

Communication between a computer and a keyboard involves ______________ transmission.

The first Network was called ________

In computer network nodes are _________

What does LAN stand for?

• Local Area Network
• Legal Access Network
• Legendary Access Node
• Local Admin Network

What does WAN stand for ?

• Weak Access Node
• Working Area Network
• Wide Area Network
• World Access Net

Choose an example of a WAN

• School
• College
• Netflix
• Single site