Download JNTUH MCA 3rd Sem R17 2021 February 843AB Computer Networks Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R17 2021 February 843AB Computer Networks Previous Question Paper

R17

Code No: 843AB















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA III Semester Examinations, February - 2021

COMPUTER NETWORKS

Time: 2 hours













Max. Marks: 75

Answer any five questions



All questions carry equal marks

- - -


1.

Elaborate the layered architecture of OSI reference model? State the significance and
functionality of each layer?













[15]


2.

Write about classes of transmission media and explain their characteristics.

[15]



3.

Describe in detail about wireless LANS.











[15]


4.

Elaborate on MAC and LLC sub layers.











[15]


5.

Explain Distance vector routing with the help of an illustrative example.

[15]


6.

Explain TCP connection establishment and termination procedures with the help of
diagrams.



















[15]











7.

"UDP is less reliable than TCP"-Justify the statement with respect to process
communication.

















[15]

















8.

Describe the HTTP request and response mechanisms.







[15]










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