Interview Questions

Computer Networks Questions & Answers – Reference Models

This section of our 1000+ Computer Networks MCQs focuses on reference models of computer networks.

1. OSI stands for
a) open system interconnection
b) operating system interface
c) optical service implementation
d) none of the mentioned
View Answer

Answer:a

2. The OSI model has ___ layers.
a) 4
b) 5
c) 6
d) 7
View Answer

Answer:d

3. TCP/IP model does not have ______ layer but OSI model have this layer.
a) session layer
b) presentation layer
c) application layer
d) both (a) and (b)
View Answer

Answer:d

4. Which layer links the network support layers and user support layers
a) session layer
b) data link layer
c) transport layer
d) network layer
View Answer

Answer:c
Explanation:Physical, data link and network layers are network support layers and session, presentation and application layers are user support layers.

5. Which address is used in an internet employing the TCP/IP protocols?
a) physical address and logical address
b) port address
c) specific address
d) all of the mentioned
View Answer

Answer:d

6. TCP/IP model was developed _____ the OSI model.
a) prior to
b) after
c) simultaneous to
d) none of the mentioned
View Answer

Answer:a

7. Which layer is responsible for process to process delivery?
a) network layer
b) transport layer
c) session layer
d) data link layer
View Answer

Answer:b

8. Which address identifies a process on a host?
a) physical address
b) logical address
c) port address
d) specific address
View Answer

Answer:c

9. Which layer provides the services to user?
a) application layer
b) session layer
c) presentation layer
d) none of the mentioned
View Answer

Answer:a

10. Transmission data rate is decided by
a) network layer
b) physical layer
c) data link layer
d) transport layer
View Answer

Answer:b

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