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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 form/s of grading design has/have the tendency to share every trunk between equal number of groups?
2. Which among the following controls the dynamic characteristics of Phase Locked Loop (PLL)?
3. In folded type of network, ____
4. In Electronic Switching Centre (ESC), the transmission rate of X.25 protocol is ____9.6 Kbps.
5. In manual switching, which kind of battery exchange has the provision of subscribers set along with magneto generator?
6. If a group of trunk is offered 1200 calls during the busy hour & 20 calls are lost along with the average call duration of about 7 min, then what would be the total duration of congestion period?
7. In message switching system, an incoming message gets ____ especially if the required route is busy.
8. 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?
9. 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?
10. In network management, managing the rate at which the traffic enters a network is known as _____
11. Which kind of switching technique indicates the transfer of coded values from input to output during the same interval of time? 
12. 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?
13. Which theorem in random jitter specifies the composite effect of various uncorrelated noise sources despite the distribution approaches to Gaussian distribution?
14. Which hand-off stage deals with the relinquishment of unnecessary frequency channels by keeping the availability for other mobile users?
15. Which among the following represents the flawless hand-off with no perceivable interruption of service?
16. In two-stage network, which phenomenon/situation occurs due to impossible connectivity of given incoming trunk to selected outgoing trunk specifically because of link utilization for other connection between primary and secondary switches?
17. Which method of cellular network assists in minimizing the co-channel interference associated with the angle of degree?
18. In graded groups, switches with inaccessibility to the outgoing route gets ____ into the number of separate groups.
19. The ratio of number of successful calls to the number of call attempts is known as ______
20. Which among the following utilizes the transmission line upto 85 – 95 %?
21. If the voltage controlled by VCO exhibits variation at faster and rapid rate, then the instability of clock is known as _______
22. Which shape of switches are not adopted normally due to non-usability of both way trunks?
23. Which type of data network supports the interconnection of computers within highly populated area?
24. In packet switching, what does the header of each short size of packet consist of?
25. Which among the following exhibit/s the necessity of trunks during the signaling mechanism? 

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