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Voice Over Internet Protocol.pdf - Google Drive
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Real Time networks using an example for. each. (b) Explain why Voice over IP is better than 10. Voice over Frame Relay ?
No. of Printed Pages : 2
MCTE-022
MASTER OF BUSINESS ADMINISTRATION CENTUM
00 00
co
Term-End' Examination
O O
December, 2011 MCTE-022 : VOICE OVER INTERNET PROTOCOL Time : 3 hours
Note :
Maximum Marks : 100
Answer any five questions. All questions carry equal marks.
1.
Explain the advantages and disadvantages of using VOIP.
20
2.
List and specify the use of hardware devices required for implementing VOIP.
20
3.
What is a process of VOIP call establishment and
20
call termination ? Explain using a network architecture diagram. 4.
(a) Differentiate between Real Time and Non Real Time networks using an example for each.
10
(b) Explain why Voice over IP is better than Voice over Frame Relay ?
10
MCTE-022
1
P.T.O.
5.
What are the main QoS issues in implementation of VOIP ? Explain, how these issues can be addressed to ensure best - effort delivery of packets ?
20
6.
(a) Why number portability is required in VOIP implementation ? Also, explain the Least
10
Cost Routing System used in VOIP. (b) Compare and contrast between IP phone, 10 Mobile VOIP and software VOIP. 7.
(a) Explain the main security attacks on VOIP systems. Explain the security protocols
15
available at IP layer to ensure the packet security. (b) Explain the VOIP Enhanced 911 (E911) 5 system. 8.
Explain the following with illustration, example 5x4=20 or diagram as needed : (a)
Secure Real Time Transport Protocol
(b)
Session Border Controller
(c)
H. 323
(d)
Virtual Circuit
MCTE-022
2
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