CS601 Final Term Quiz 3 File 2 July 2023 by Miss Mehwish

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Q1. A switched network consists of a series of interlinked _____ called switches. Options:

1. Points
2. Nodes
3. Systems
4. Roots

Correct option: b) Nodes

Q2. In virtual circuit approach, when a frame enters a switch and when it leaves a switch, its VCI

1. Sometimes Changes
2. Always Changes
3. Remain the Same
4. Sometimes Remain Same

Correct option: c) Remain the Same

Q3. Data link layer is divided into ________ sublayers.

1. Seven
2. Two
3. Three
4. Five

Correct option: b) Two

Q4. In _________ type of error, two or more bits in the data unit will be changed. Options:

1. Burst
2. Single bit
3. Mono
4. Zero

Correct option: a) Burst

Q5. Virtual-Circuit Networks and datagram networks are the subcategories of

1. Circuit Switched Networks
2. Packet-switched networks
3. Both circuit and message-switched networks
4. Message-switched networks

Correct option: b) Packet-switched networks

Q6. Error detection and correction are the services provided by _________ layer. Options:

1. Physical layer
2. Session layer
3. Data link layer
4. Application layer

Correct option: c) Data link layer

Q7. A local telephone network uses __________ network.

1. Packet-switched
2. Line-switched
3. Circuit-switched

Correct option: c) Circuit-switched

Q8. _________ is the process of converting digital data to digital signals. Options:

1. Line coding
2. CSMA/CD
3. Segmentation
4. CSMA/CA

Correct option: a) Line coding

9. In _________ systems, resources are allocated on demand. Options: