telecommunication switching systems_cropped

Code No: 56060 Set No. 1 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

III B.Tech. II Sem., II Mid-Term Examinations, April 2014 TELECOMMUNICATION SWITCHING SYSTEMS

Objective Exam Name: ______________________________ Hall Ticket No.

Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 10. I Choose the correct alternative: 1. A major component of a switching system or an exchange is the set of input and output circuits

called _________ [ ] a. Inputs and Outputs b. Inlets and Outlets c. Forward and Backward d. Circuit In and Circuit Out

2. A switching system provides for _________different forms of signalling. [ ]

a. 1 b. 2 c. 3 d. 4

3. In _ _ _ _ _ _ _ switching, delivery of data is delayed because data must be stored and Retrieved from RAM [ ] a. Space division b. Time division c. Crossbar d. Multistage

4. The signalling units of SS7, MSU, LSSU, FISU are differentiated by means of the ____ [ ]

a. parity b. check sum c. flag d. Length Indicator

5. Out band signalling is operated in ___________ frequency [ ] a. 1.7KHz and 1.85KHz b. 2.7KHz and 2.85KHz c. 3.7KHz and 3.85KHz d. 4.7KHz and 4.85KHz

6. How many parity check bits in CCITT Signalling system no. 6 [ ]

a. 8 b. 9 c. 10 d. 11

7. In _ _ _ _ _ _ _ _ _ each packet of a message need not follow the same path from sender to receiver [ ] a. Circuit switching b. Time Division switching c. The virtual approach to packet switching d. The data gram approach to packet switching

8. A solution to prevent loops in LAN's connected by bridges [ ]

a. Vector routing b. Source routing c. Adaptive routing d. Dynamic routing 9. SDN _ _ _ _ _ _ _ _ _ [ ]

a. is a set of protocols that combines digital telephony and data transport services b. Uses analog switches and analog path to establish different services c. supports only non voice services d. Supports only non real time services

10. The Service Switching Point communicates with its controlling Service Control Point via [ ]

a. Common-channel signalling network. b.SS5 c. SS6 d.SS7 Cont.2

A

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Code No: 56060 :2: Set No. 1 II Fill in the blanks 11. The links that run between the switching systems are called _______ 12. ______________ Facility allows an entitled subscriber to call any of a predefined list of other

subscribers by dialling just one or two digits. 13. The traffic on the network may then be measured in terms of the occupancy of the servers in the

network. Such a measure is called the _________. 14. CCS signals can follow different routes from the connections which they control and they can pass

through several intermediate nodes in the signalling network is called _______

15. The beginning and ending of each HDLC message indicated by, a unique combination of digits known as a_________.

16. _______topology features a point-to-point line configuration. 17. __________ type of AAL can best process a data stream having a non-constant bit rate. 18. SIB stands for ___________

19. The key idea behind ISDN is that of the ______________, a conceptual pipe between the customer

and the carrier through which bits flow. 20. The normal user interface to an ISDN is PRI or ___________

-oOo-



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Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 10. I Choose the correct alternative: 1. The signalling units of SS7, MSU, LSSU, FISU are differentiated by means of the ____ [ ]




a. 8 b. 9 c. 10 d. 11






a. Common-channel signalling network. b.SS5c. SS6 d.SS7 8. A major component of a switching system or an exchange is the set of input and output circuits



a. 1 b. 2 c. 3 d. 4


Cont.2

A



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Code No: 56060 :2: Set No. 2 II Fill in the blanks 11. CCS signals can follow different routes from the connections which they control and they can pass

through several intermediate nodes in the signalling network is called _____________

12. The beginning and ending of each HDLC message indicated by, a unique combination of digits known as a_________________.

13. ________________topology features a point-to-point line configuration. 14. ___________________ type of AAL can best process a data stream having a non-constant bit rate. 15. SIB stands for ___________________ 16. The key idea behind ISDN is that of the ______________, a conceptual pipe between the customer

and the carrier through which bits flow. 17. The normal user interface to an ISDN is PRI or ___________________ 18. The links that run between the switching systems are called _______________ 19. ______________ Facility allows an entitled subscriber to call any of a predefined list of other

subscribers by dialling just one or two digits .

20. The traffic on the network may then be measured in terms of the occupancy of the servers in the network. Such a measure is called the ___________________.

-oOo-



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Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 10. I Choose the correct alternative: 1. How many parity check bits in CCITT Signalling system no. 6 [ ]

a. 8 b. 9 c. 10 d. 11









a. 1 b. 2 c. 3 d. 4





Cont.2

A



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Code No: 56060 :2: Set No. 3 II Fill in the blanks 11. _____________topology features a point-to-point line configuration. 12. __________ type of AAL can best process a data stream having a non-constant bit rate. 13. SIB stands for ___________ 14. The key idea behind ISDN is that of the ______________, a conceptual pipe between the customer

and the carrier through which bits flow. 15. The normal user interface to an ISDN is PRI or ___________ 16. The links that run between the switching systems are called _______________ 17. ______________ Facility allows an entitled subscriber to call any of a predefined list of other


network. Such a measure is called the _________________. 19. CCS signals can follow different routes from the connections which they control and they can pass

through several intermediate nodes in the signalling network is called _______________ 20. The beginning and ending of each HDLC message indicated by, a unique combination of digits

known as a__________________.

-oOo-



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jntum

ateria

ls.in




Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 10. I Choose the correct alternative: 1. A solution to prevent loops in LAN's connected by bridges [ ]







a. 1 b. 2 c. 3 d. 4






a. 8 b. 9 c. 10 d. 11


Cont.2

A



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Code No: 56060 :2: Set No. 4 II Fill in the blanks 11. SIB stands for ___________ 12. The key idea behind ISDN is that of the ______________, a conceptual pipe between the customer

and the carrier through which bits flow. 13. The normal user interface to an ISDN is PRI or ___________ 14. The links that run between the switching systems are called _____________ 15. ______________ Facility allows an entitled subscriber to call any of a predefined list of other


network. Such a measure is called the _________. 17. CCS signals can follow different routes from the connections which they control and they can pass

through several intermediate nodes in the signalling network is called _____________ 18. The beginning and ending of each HDLC message indicated by, a unique combination of digits

known as a_______________. 19. ______________topology features a point-to-point line configuration. 20. ________________ type of AAL can best process a data stream having a non-constant bit rate.

-oOo-



www.

jntum

ateria

ls.in

telecommunication switching systems_cropped

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