Computer Networks

851. The non-linearity results in several ____________ harmonics

1. Even
2. Odd
3. Both a & b
4. None of these

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852. The normal burst period lasts

1. Approximately 577ms or 15/26ms
2. Approximately 572ms
3. Approximately 567ms
4. Approximately 578ms

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853. The NRZ-pulses contain ____________ energy in comparison to that of a RZ code

1. less
2. more
3. either less or more
4. none of these

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854. The number of different frequency per bit are called

1. Bit rate
2. Data rate
3. Baud rate
4. Chip rate

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855. The operations and Maintenance Center oversees the all important for ____________

1. Proper operation
2. Setup of the network
3. Provides Telecommunication Management Network(TMN)
4. All of these

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856. The optical fibre version of CSMA/CD LAN has a no of advantage than the

1. Coaxial cable version of Ethernet
2. Twisted cable version of Ethernet
3. Both a & b
4. None of these

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857. The OSI interface is a process of communication between adjacent layers in which data is passed between

1. Layer n
2. Layer n-1
3. Layer n+1
4. All of these

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858. The other government organizations like ____________ to enter this field to bring the Internet to common people

1. NIC
2. VSNL
3. MTNL
4. All of the above

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859. The other popular name for MSC(Mobile Switching Center ) is

1. BS(Base Station)
2. MS(Mobile Switch)
3. MTSO(Mobile Telecommunication Switching Office)
4. Both b & c

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860. The other services of call forwarding are

1. Cell broadcast, voice mail, fax mail
2. Barring of outgoing and incoming calls conditionally
3. Call hold, call waiting, conferencing
4. Closed user groups
5. All of these

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