Unit-1 Quiz

Which type of topology is best suited for large businesses which carefully control and coordinate the operation.

• Ring

• Local Area

• Hierarchical

• Star

Which of the following transmission directions listed is not a legitimate channel?

• Simplex

• Half Duplex

• Double Duplex

• Full Duplex

"Parity bits" are used for which of the following purposes?

• Encryption of Data

• To Transmit faster

• To detect errors

• To identify users

What is a computer network?

• A device used to display information on a computer screen

• Collection of interconnected computers&devices communicate& share resources

• A type of software used to create documents and presentations

• The physical casing that protects a computer’s internal components

What is internet?

• A network of interconnected local area networks

• A collection of unrelated computers

• Interconnection of wide area networks

•  A single network

What is the full form of OSI?

• optical service implementation

• open system interconnection

• open service Internet

• operating system interface

How many layers are there in the ISO OSI reference model?

• 7

• 5

• 4

• 6

Which one of the following is not a function of network layer?

• congestion control

• error control

• routing

• inter-networking

Which of the following devices forwards packets between networks by processing the routing information?

• firewall

• bridge

• hub

• router

Which layer does the data link layer take packets from and encapsulate them into frames for transmission?

• transport layer

• application layer

• network layer

• physical layer