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Telecommunication and Switching Systems MCQs
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Telecommunication and Switching Systems MCQs
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25 Questions

1. Which among the following is/are supported by LAN?
2. In graded groups, switches with inaccessibility to the outgoing route gets ____ into the number of separate groups.
3. If the desired connection has a low completion probability, which type of flow control technique is used for eliminating the capture of common resources? 
4. Which type of framing technique/s reduce/s the problem of synchronization of the receiver?
5. In folded type of network, ____
6. Which form/s of grading design has/have the tendency to share every trunk between equal number of groups?
7. If a telephone exchange serves 1500 users with the average BHCA of about 9000 and CCR is about 50%, what would be the busy hour calling rate?
8. Consider the statements given below. Which among them represents the operational step executed in datagram Packet Switched Network?
9. Which kind of switching technique indicates the transfer of coded values from input to output during the same interval of time? 
10. If the queuing systems are connected in tandem configuration, what would be the nature of delay?
11. Which signals are regarded as call-progress signals as they are sent back to inform the caller about the progress of the call?
12. Phase jitter is generated by an additive noise on a __________sinusoidal wave.
13. Which among the following provides TRG access to outgoing junctions through the two stage network?
14. What is an acceptable value of dividing point between the wander and jitter?
15. Which method of cellular network assists in minimizing the co-channel interference associated with the angle of degree?
16. In digital network synchronization, which approach indicates the cost burden carrying of highly accurate and redundant timing sources by means of smaller switching nodes?
17. What is /are the purpose/s of pulse stuffing in an asynchronous multiplexing?
18. If the voltage controlled by VCO exhibits variation at faster and rapid rate, then the instability of clock is known as _______
19. If ‘n’ number of users are present in a network with point-to-point links, then how many links will be required in the network?
20. The transfer of user messages from node to another by means of store and forward switching network is known as _______ 
21. If the voice channel is free in PSTN, then what would be the maximum data rate supported by 3.1 kHz bandwidth of voice channel?
22. How is the relation between Erlang and CCS specified?
23. Which among the following utilizes the transmission line upto 85 – 95 %?
24. By how many times does the time division exchange exhibit connection and disconnection with respect to every millisecond, due to its ability of using rearrangeable networks?
25. Which type of data network supports the interconnection of computers within highly populated area?

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