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Question 1:


For each of the following functions identify the corresponding layer from OSI model.
a. Communicates directly with user’s application program
b. Error correction and retransmission.
c. Mechanical, electrical, and functional interface
d. Responsibility for delivery between adjacent nodes
e. Reassembly of data packets

Answers:
(a) The “application layer” provide the facility to communicate directly with
the user’s application layer.

(b) The task of error correction and retransmission performed by the “data
link layer”.

(c) The task of mechanical, electrical, and functional interface performed by
the “physical layer”

(d) The “network layer” Responsible for delivery between adjacent nodes

(e) The “transport layer” responsible for the Reassembly of data packets


Question 2:
If we have three systems as follows:
1. One in communication from outside city
2. Two systems are within the same city but at different offices not far apart.



Using given scenario, explain the role of following addressing methods for OSI Layers when
Transferring data between systems A, B and C:
1. Service point address
2. Logical address
3. Physical address

 

 

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Replies to This Discussion

2nd Question ka solution bhi upload kr dain because we want to just understand the given scenario..... PLZ
Tariq Bhai please upload solution of 2nd question..

Thanks
If any one have CS601"Data Communication" 2nd Assignment's 2nd question solution than please upload.
Today is the last date, i have problem to solve it.
Thanks,
There is solution of 2nd Qyestion..............
PLZ read recomended book .... Data Communications and Networking - Behrouz A. Forouzan
see attach file
2nd question ka solution b upload ker dain pls
where is 2nd Q Ans
plz sir mail me 2nd Question sol cs601_2
i will be thank full to u.
my mail adress is faizavu@gmail.com
oky Dear

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