Top 100 Computer Network MCQ (Multiple Choice Questions)


Here describe some basic computer Networking Multiple Choice Questions & Answers which help you in networking interviews.

Q #1. Which of the following OSI layers are above and below the Session layer –

a) Application and Physical layer
b) Presentation and Transport layer
c) Application and Session layer
d) Transport and Physical layer

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(b) Presentation and Transport layer.

Q #2. Which of the following device is used of the center of a Star Topology –

a) Modem
b) Hub
c) Switch
d) Router
e) Server

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(b) Hub & (c) Switch.

Q #3. The Upper layer of the OSI model are –

a) Session, Application, Presentation
b) Session, Application, Physical
c) Application, Presentation, Transport
d) Presentation, Session, Transport

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(a) Session, Application, Presentation.

Q #4. Which layer is called “the Heart of the OSI” layer –

a) Application Layer
b) Physical Layer
c) Transport Layer
d) Session Layer

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(c) Transport Layer.

Q #5. IPv4 has __ bits –

a) 16
b) 4
c) 12
d) 32

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(d) 32.

Q #6. Which of the following network topologies are used backbone cable –

a) Star
b) Bus
c) Ring
d) Tree

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(b) Bus Topology.

Q #7. The switch works on _ layer of the OSI model –

a) Physical
b) Data Link
c) Transport
d) Network

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(b) Data Link Layer.

Q #8. IPv6 has _ bits –

a) 16
b) 32
c) 64
d) 128

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(d) 128 Bits.

Q #9. Which of the following port no. is HTTP –

a) 443
b) 69
c) 80
d) 90

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(c) 80.

Q #10. Which of the protocol is a connectionless protocol of working on Transport layer –

a) ARP
c) UDP
d) TCP

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(c) UDP (User Datagram Protocol).

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