GATE 2020 | Computer Networks | 10 Important MCQ's

1. What is the other types of OLAP apart from ROLAP?

A. HOLAP
B. MOLAP
C. DOLAP
D. Both A and B

Answer: B

2. A Network router joins two _______ together?

A. Computers
B. Switches
C. Networks
D. Gateway

Ans. C

3. Message-oriented Middleware allows general-purpose messages to be exchanged in a Client/Server system using message queues.


A. True
B. False

Ans: True


4. Which of the following below is loopback IP  address?

A. 127.0.0.0
B. 127.0.1.1
C. 127.0.1.0
D. 127.0.0.1

Ans. D

Please read these questions seriously, these questions have already appeared in previous years

5. Ping command works on which protocol? (IMP)


A. ICMP
B. TCP
C. IP
D. UDP

Ans. A

6. Transport layer of OSI model lies between Network and ________________ layer


A. Application
B. Data Link
C. Session
D. Presentation

Ans. C

7. Which of the following protocols below work in application layer?

A. POP
B. PPP
C. FTP
D. Both a and c above

Ans. D. POP and FTP

8. What is the port number for HTTP? (IMP)


A. 25
B. 80
C. 21
D. 65
Ans. B


9. IPv4 is more commonly used than IPv6?

A. True
B. False

Ans. A

10. From the options below, which suits bests for MODEM?


A. A device that modulates an analog carrier signal to encode digital information
B. A device that modulated a digital carrier signal to encode analog information.
C. A device that modulated an analog carrier signal to decode digital information
D. A device that modulates a digital carrier signal to decode analog information

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