Computer Networks

431. In today ATM, separate networks are used to carry ____________ information mostly

1. Voice
2. Video
3. Data
4. All of these

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432. In translation, different types of computers like ____________ in an Inter-network have many distinct characteristics and represent data in different ways

1. PCs
2. Macintoshes
3. UNIX systems
4. AS/400 servers
5. All of these

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433. In transmission of a signal, the range of carrier frequencies depends on the

1. Nature of medium
2. Requirement of the applications supported
3. Nature of distance
4. Both a & b

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434. In Unicode there were codes for representing characters and their basic graphical representation are known as

1. Graphical
2. Graphemes
3. Graphs
4. None of these

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435. In which , Multiple channels are combined onto a single aggregate signal for transmission

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

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436. In which manner, satellite can serve a point-to-multipoint network requirement through a single uplink station and multiple downlink stations

1. Uplink frequency
2. Downlink frequency
3. Broadcast
4. None of these

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437. In which model, Request-reply command is example of connectionless service

1. Client-server model
2. User model
3. Server model
4. None of these

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438. In which multimode fibre , different wavelength of light travel at a different speeds

1. Single mode fibre
2. Step index multimode fibre
3. Graded index multimode fibre
4. All of these

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439. In which multimode fibre, light is refracted by an increasing amount as it moves away from the core

1. Single mode fibre
2. Step index multimode fibre
3. Graded index multimode fibre
4. All of these

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440. In which type of TDM , a single channel is divided into time slots and each transmitting device is assigned for least one of the time slots for its transmission

1. Synchronous TDM
2. Asynchronous TDM
3. Both a & b
4. None of these

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