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Permalink Reply by +!rha Butt+ on July 16, 2012 at 11:34pm

check attached...

• CS601.docx, 14 KB

Permalink Reply by Yasmeen(S.admin) on July 17, 2012 at 1:19pm

16 – July – 2012 (Session - 2)

1. What will be the phase shift, if a signal takes one complete period? (Marks : 2 )
2. How sliding window mechanism keeps track of transmitted and received frames? (Marks : 2 )
3. Suppose we need to send data using T-1 lines. How many frames it carries in order to send data at the rate of 1.544 Mbps? (Marks : 2 )
4. Ethernet is the most widely installed local area network (LAN) technology. Which type of Ethernet technology uses Bus topology having maximum length of 500? (Marks : 2 )
5. Suppose ABC Company wants to increase its number of offices. Currently it has three offices in three different locations of the same city. Now it wants to add two more offices in the same city. Propose a suitable type of network for connecting these offices. (Marks : 3 )
6. How is CRC superior to the two – dimensional parity checks? (Marks : 2 )
7. Suppose ABC Company needs a fast and reliable data communication network. Company is willing to spend as much cost as a fast and reliable network demands. So, considering the situation, suggest the suitable guided media with proper reasoning. (Marks : 3 )
8. Following abbreviations stand for what? (Marks : 3 )
(a) . ARP (b). RARP © . ICMP
1. Assume that Linknet is using digital services for communication using telephone lines; we have a data rate of 64 kps. We are required to calculate the signal capacity at the mention below DS (Digital Service) using DSU (Digital Service Unit). (Marks : 5 )
2. Suppose a form of redundancy check LRC is applied independently to each of the following parallel group of bit streams count LRC for these bits? (Marks : 5 )
10011010 10100101 11010110
1. Write commercial advantage and characteristics of “Token Bus”? (Marks : 5 )

Permalink Reply by +!rha Butt+ on July 17, 2012 at 5:24pm

......

Permalink Reply by Yasmeen(S.admin) on July 17, 2012 at 1:19pm

MCQs are mostly from past papers
Short Questions are given below: -
Q. What is wavelength how we can determine it.
Q. What is the difference between thick Ethernet and thick Ethernet.
Q. about HDLC.
Q. Line discipline, ENQ/ACK. Relationship between ENQ/ACK.
Q. Humming Code, code is given
Q. T-lines
Q. Inverse Multiplexing and its features.
Q. Geosynchronous Satellite.
Q. Synchronization.

Permalink Reply by +!rha Butt+ on July 17, 2012 at 5:24pm

Nice!

Permalink Reply by Cool Nida on July 19, 2012 at 6:22pm

muja to past papers ma sa koi b mcqs ni ata

Permalink Reply by +!rha Butt+ on July 21, 2012 at 8:27pm

hmmm  

mery khiyal se agr ap Muaaz wali solved mcqz ki files check karyn to is main se yaqeeni toor pe 40%  mcqz aaty hen...check once

Permalink Reply by Yasmeen(S.admin) on July 21, 2012 at 11:59am

Total Questions: 52

Total Marks: 80

Questions & Marks Division:-

40*1 Mark MCQs, 4*2 Marks, 4*3 Marks, 4*5 Marks.

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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Permalink Reply by SiLeNt MooN(Admin) on July 22, 2012 at 4:21pm

my paper question file 

chek attachment 

• cs601.doc, 26 KB

Permalink Reply by SiLeNt MooN(Admin) on July 22, 2012 at 4:23pm

may paper screen shoots

Permalink Reply by SiLeNt MooN(Admin) on July 22, 2012 at 4:25pm

Questions 

SiLeNt Moon(Lucky)

Cs601 paper

Question no 1 (2 marks)

What id DSU in term of digital services?

 

Question no 2 (2 marks)

For efficient delivery data, data size can be reduced. Which technique is used to reduce the size of multimedia data?

 

Question no 3 (2 marks)

Provide the selection criteria for polynomial used for CRC generators

 

Question no 4 (2 marks)

Create the name of any four asynchronous protocols?

 

Question no 5 (3 marks)

Why stop and wait method is slow as compared to sliding window method in data flow control?

 

Question no 6 (3 marks)

Generally, multiple programs/process run on a computer at the same time, discuss the OSI layer which is responsible for process to process delivery of message?

 

Question no 7 (3 marks)

In case of old parity generator in VRC, how the parity bits are counted?

 

Question no 8 (3 marks)

Mention any three purposes of control frames data link layer?

 

Question no 9 (5 marks)

Write down the function of primary-secondary communication in line discipline

 

Question no 10 (5 marks)

Discuss the fundamental entities bodies who involves in the development of standards to bring compatibility among devices Developed by different menu factures.

 

 

 

 

Question no 11 (5 marks)

 The data received at destination is not the actual data, sent by the sender. We send every data unit twice to overcome this problem but it has some drawback. Write this drawback. Write these drawbacks and also suggest a more suitable mechanism for the detection of any error in the data.

 

Question no 12 (5 marks)

Suppose Maize Production Company is running a network of 50 computers in which several devices access the same network resources equally. Keeping in view the scenario discusses the networking technique which not only marks it possible for several devices to access the network resources but also detects possible collisions.

 

 

Permalink Reply by +!rha Butt+ on July 22, 2012 at 8:06pm

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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