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CS601 Data Communication Final paper 23 February 2013

Total Questions: 52

Total Marks: 80

Total MCQs: 40 (Each of 1 Mark)

Total Short Questions: 4 (Each of 2 Mark)

Total Short Questions: 4 (Each of 3 Mark)

Total Long Questions: 4 (Each of 5 Mark)  

 

1. During the transmission of data between sender and reciever, due to many factors data gets lost or corruptedso how does the sender come to know that the frame is lost during transmission?      [3 marks]

2. Differentiate between propagation speed and propagation time, Also tell how we can measurepropagation time? [3 marks]

3. Why some network designers prefer to use tree topology?Give any three reasons?  [3 marks]

4. A research institute want’s to establish a local area network (LAN)  for it’s researches . Name any 4 basic architecture which can be followed set up a local area network LAN. [2 marks]

5. Discuss the kind of error which is undetectable by the checksum?  [2 marks]

6. TCP/IP is a protocol suit containing number  protocols.Name any three TCP/IP protocols are used on network layer? [3 marks]

7. Considering primary secondary communication in a network with multipoint configuration , describethe poll/select mode of communication is detail? [ 5 marks]

8. Discuss the fundamental entities/bodieswho envolve by the defferent manufactures? [ 5 marks]

9. What factors are considered to evaluate the suitability of a particular medium to a specific application?  [ 5 marks]

10. What are the consequence of not adding synchronization bits in the beginning of frame alsoe xplain synchronization?  [ 5 marks]

Another Paper:

Total Questions: 52

Total Marks: 80

Total MCQs: 40 (Each of 1 Mark)

Total Short Questions: 4 (Each of 2 Mark)

Total Short Questions: 4 (Each of 3 Mark)

Total Long Questions: 4 (Each of 5 Mark)  

 

Question 41:- How networks are part of our daily life? Give two instances. (2)

 

Question 42:- Name any two main/basic telephone services that may use for communication through telephone. (2)

 

Question 43:- Discuss the role of flow control technique in context of Data Link Layer. (2)

 

Question 44:- What are the names of sub-layers of Data Link Layer? (2)

 

Question 45:- How can you achieve better synchronization in Manchester Encoding technique? (3)

 

Question 46:- Suppose XYZ Company wants to maximize its performance to provide quick services to its clients. Discuss the telephone service hierarchy It should follow. (3)

 

Question 47:- Find LRC of the given block. (3)

10010011

01100111

01111000

00011100

 

Question 48:- Following are the abbreviations of what? (3)

                        ARP, RARP, ICMP

 

Question 49:- What are the consequences of not adding synchronization Bits in the beginning of frame? Also explain synchronization. (5)

 

Question 50:- Suppose a University wants a network design which ensures maximum utilization of medium. Considering this scenario, discuss the technique to achieve maximum utilization of medium and also describe the suitable type of line configuration for this purpose in detail. (5)

 

Question 51:- Considering Primary Secondary communication in network with multipoint configuration, describe Poll/Select mode of communication in detail. (5)

 

Question 52:- In an international firm, the employee A, B & C are working on same assignment using a shared bandwidth link, where communication is carried out through single link using multiplexing technique. The firm wants to avoid bandwidth wastage as the data is sent in the form of frames in Round Robin sequence. You need to identify the type of multiplexing used over there and suggest a feasible solution for this problem. (5)

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