COMPUTER NETWORKS

What is a computer network?

• Set of Nodes

• Connection of communication links

• set of nodes connected by communication links

• none of the above

A CN is mainly used for

• video editing

• resource sharing

• music editing

• rating the user experience

Data flow can be of how many types?

• 1

• 2

• 3

• 4

A wire is a node.(Yes/No)

(a)  

A communication link can be wired or wireless

• both

• wired only

• wireless only

• none

Communication in simplex is:

• Unidirectional

• Bidirectional

• Tridirectional

• NO communication

Walkie- Talkie is an example of

• Full Duplex

• Simplex

• Half Duplex

• Semi Duplex

A device can send and receive at the same time in which of the following?

• Full Duplex

• Half Duplex

• Semi Duplex

• Simplex

Which one is not a transmission medium for data?

• cable

• air

• distilled water

• none of these

Difference between end and intermediate device

• both are same

• I don't know the answer because Sakshi taught badly

• end device- either at start or end, intermediatory-always in between the network

• end device-always in between the network, intermediate-either at start or end