CS610 Current Spring 2011 Final Term VU Paper [July 2011] Virtual University of Pakistan

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CS610 Current Spring 2011 Final Term VU Paper [July 2011] Virtual University of Pakistan

Define simplex and full duplex connection? [2]
What are the functions that the IP multicast abstraction allows an application running on an arbitrary computer to do? [2]
Give the address 130.4.102.1/24, find the number of subnet bits? [2]
What is the functionality of address resolution software in layering? [2]
Why we need the variants of NAT? Explain it with the proper reasons? [2]
What are some of the metrics used by routing protocols? [3]
How ICMP can be used to test different tools? [3]
You are working in a Star organization as a network engineer. The existing network comprises of 120 systems. What will be your analysis about delay should it should be smaller or higher? Give reasons. [3]
ABC industry is using different network technologies in its branches. Can all branches communicate with each other? If No, then give reason? [3]
Which type of NAT fails if an application uses the IP addresses instead of domain name? And why? [3]
What are the main advantages and disadvantages of routing information protocol (RIP)? [5]
Network engineer has three address resolution methods. How many methods does TCP/IP support in a real environment? Write names of methods and support your answer with solid reason? [5]
Have any technique used for achieving reliability in TCP? [5]

CS610 Current Spring 2011 Final Term VU Paper [July 2011] Virtual University of Pakistan

Total 53 Questions
40 x MCQs
5 x 2 Marks Questions
5 x 3 Marks Questions
3 x 5 Marks Questions

Subjective Portion is as under:-

Question No: 41 ( Marks: 2 ) 
What is meant by throughput in networking?

Question No: 42 ( Marks: 2 ) 
What is Hop Count Metric in context of Routing?

Question No: 43 ( Marks: 2 ) 
What will be the network bits of following network address?
130.4.102.1/22

Question No: 44 ( Marks: 2 ) 
How many types of Connection Services are there in TCP/IP?

Question No: 45 ( Marks: 2 ) 
Why NAT variants are used?

Question No: 46 ( Marks: 3 ) 
How ICMP can be used to trace route?

Question No: 47 ( Marks: 3 ) 
In client server architecture, if no signal is there then how an application knows when the communication arrives?

Question No: 48 ( Marks: 3 ) 
How shift operator works in CRC?

Question No: 49 ( Marks: 3 ) 
If a network Engineer wants to send a packet to group of nodes then which IP address class will be used?

Question No: 50 ( Marks: 3 ) 
When a packet is lost then what is the procedure adopted in TCP/IP?

Question No: 51 ( Marks: 5 ) 
What are the characteristics of Border Gateway Protocol?

Question No: 52 ( Marks: 5 ) 
In UDP context describe end point identification with protocol port numbers?

Question No: 53 ( Marks: 5 ) 
A question was related to write a Routing Table, in which Subnet Mask and Next Hop was required to filled.
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