Computer Networks

391. In FDM , channels are separated in the aggregate by their

1. Bandwidth
2. Signal
3. Frequency
4. None of these

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392. In HDLC three types of stations are specified by the data link layer

1. Primary Station
2. Secondary Station
3. Combined Station
4. All of these

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393. In HDLC, problems like ____________ do not occur

1. Data loss
2. Data duplication
3. Data corruption
4. All of these

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394. In layered architecture, each layer is responsible for a ____________ amount of work

1. Infinite
2. Finite
3. Large
4. None of these

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395. In link state protocol, the load on router will be

1. Small
2. Large
3. Medium
4. None of these

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396. In MAN, a network is accomplished using basic components

1. Hardware
2. Protocols(software)
3. Applications(useful software)
4. All of the above

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397. In MAN, a network is accomplished using components

1. Hardware
2. Protocols
3. Both a & b
4. None of these

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398. In MAN, different LANs are connected through a local ____________

1. Telephone exchange
2. Computer wires
3. Both a & b
4. None of these

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399. In modem data rate is restricted to approximately ____________ :

1. 24Kbps
2. 28Kbps
3. 30Kbps
4. 32Kbps

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400. In moving from layer one to layer seven, the level of abstraction ____________

1. Increases
2. Decreases
3. May be increases or decreases
4. None of these

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