Computer Networks

811. The main function of data connection is to facilitate transfer of file and directory to and from the ____________

1. Clients at the server’s request
2. Clients at the client’s request
3. Server at the server’s request
4. Server at the client’s request

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812. The main parameters in determining the quality of a PCM system are the

1. Dynamic range
2. Signal-to-Noise Ratio(SNR)
3. Both a & b
4. None of these

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813. The main principle of layered architecture is

1. Separation of responsibility
2. Addition of responsibility
3. Subtraction of responsibility
4. None of these

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814. The main task of MSC are entrusted upon as

1. Interworking function(IWF)
2. Mobility management operations
3. Data service unit(DSU)
4. SS7
5. All of these

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815. The major advantage of spread spectrum technique may be enumerated as

1. Low power spectral density
2. Interference limited operation
3. Privacy due to unknown random codes
4. Reduction of multi path affects
5. All of these

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816. The major disadvantage of UTP is

1. Bandwidth is lower
2. Bandwidth is higher
3. Bandwidth is limited
4. Bandwidth is dynamic

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817. The major network infrastructure available in the country has two types of WAN

1. Terrestrial WAN
2. VSAT WAN
3. Both a & b
4. None of these

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818. The master earth station has a large ____________ meter antenna

1. 3
2. 6
3. 5
4. 4

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819. The max number of PHYs pre FDDI are

1. 200
2. 500
3. 1000
4. 1800

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820. The maximum error occurs between the

1. Original level
2. Quantized level
3. Both a & b
4. None of these

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