Computer Networks

971. The various types of services provided by the interface to the layers above them are listed as follows

1. Connection-oriented services
2. Connectionless services
3. Both a & b
4. None of these

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972. The various ways to multiplex are

1. Frequency Division Multiplexing(FDM)
2. Time Division Multiplexing(TDM)
3. Code Division Multiplexing(CDM)
4. Wavelength Division Multiplexing(WDM).
5. All of these

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973. The VSAT outdoor unit consists of

1. Standard 1.8 meter offset feed antenna
2. Solid-state amplifier(SSPA)
3. Low Noise Amplifier(LNA)
4. Feed horn
5. All of these

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974. The VSAT stands for

1. Very Small Accessing Terminal
2. Very Small Access Topology
3. Very Small Aperture Terminal
4. None of these

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975. The VSAT system operates in two different bands named

1. Ku-band
2. C-band
3. Both a & b
4. None of these

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976. The VSAT system operates under C-band frequency are

1. 5.925to 6.425 GHz
2. 3.700to 4.200GHz
3. Both a & b
4. None of these

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977. The VSAT system operates under Ext-Cband frequency are

1. 6.725 to 7.025GHz
2. 4.500 to 4.800GHz
3. Both a & b
4. None of these

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978. The VSAT system operates under Ku-Band 1 frequency are

1. 4.000 to 14.500GHz
2. 10.950 to 11.700GHz
3. Both a & b
4. None of these

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979. The VSAT technology is based on the

1. Wired satellite technology
2. Wireless satellite technology
3. Both a & b
4. None of these

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980. The way to communicate, display, store or manipulate information are

1. Analog
2. Digital
3. Both a & b
4. None of these

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