MCA-19
June Examination 2017
MCA IIIrd year Examination
Data Communication and Computer Networks
Paper MCA-19
Time 3 Hours Max. Marks 80
Note: The question paper is divided into three sections B and C. Write answers as per given instructions.
Section A 8 × 2 16
(Very Short Answer Questions)
Note: Answer all questions. As per the nature of the question delimit your answer in one word, one sentence or maximum upto 30 words. Each question carries 2 marks.
What do you mean by simplex technique?
What do you mean by Unicast routing?
What is process to process delivery?
What is peer to peer protocol?
What do you understand by SMTP?
What is PPP stack?
Write any two benefits of client server modelling.
(viii) What do you mean by backbone networks?
807
MCA-19 200 2 (P.T.O.)
MCA-19 200 2
807
Section B 4 × 8 32
(Short Answer Questions)
Note: Answer any four questions. Each answer should not
exceed 200 words. Each question carries 8 marks.
Discuss multicast routing protocol and working of it.
Write about transmission impairment.
Discuss the concept of multiplexing.
Write about socket interfacing in application layer.
Discuss various types of local area networks.
Describe Internet protocol and its addressing methods.
Describe various terminologies used in computer networks.
Explain point to point protocol with example.
Section C 2 × 16 32
(Long Answer Questions)
Note: Answer any two questions. You have to delimit your each
answer maximum upto 500 words. Each question carries
16 marks.
10) Describe various methods of flow and error control.
11) Explain ISO-OSI Reference Model with functioning of each
layer.
12) Write a short note on:
Transmission Media
Circuit Switching in Telephone Network
13) Explain the types of Error Detection and Correction methods.