Computer Networks

1001. This refers to communication up and down the protocol stack every time any data is sent received across the network

1. Vertical communication
2. Horizontal communication
3. Protocols
4. OSI interfaces

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1002. Three modes of operations are defined for the HDLC protocol

1. Normal Response Mode(NRM)
2. Asynchronous Response Mode(ARM)
3. Synchronous Balanced Mode(ABM)
4. All of these

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1003. Throughput may be defined as the number of ____________ through a data communication system over a period of time:

1. bits
2. characters
3. blocks passing
4. All of these

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1004. Time slot is also known as

1. Logical channel
2. Physical channel
3. Both a & b
4. None of these

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1005. To communication between two or more domains, which are used

1. Intra- domain routing
2. Inter- domain routing
3. Both a & b
4. None of these

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1006. To enable control of 4096 logical channels in X.25, there are ____________ channel groups

1. 256
2. 16
3. 4096
4. 2556

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1007. To overcome the inefficiency of standard TDM, a technique known as

1. CDM
2. FDM
3. STDM
4. CDMA

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1008. Traditional coaxial cable is quite ____________ of which Ethernet LAN 10Base5 is an example

1. Thick
2. Heavy
3. Bulky
4. All of these

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1009. Transmission media deals with the types of medium used , which is dictated by the

1. Desirable bandwidth
2. Immunity to noise
3. Attenuation properties
4. All of these

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1010. Twin axial cables contains ____________ such configurations within a single cable sheath

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

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