IBPS IT SO-Computer Networks-Reference Models

Reference Models

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

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

Answer:d
Explanation:None.

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)

Answer:d
Explanation:None.

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

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

Answer:d
Explanation:None.

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

Answer:a
Explanation:None.

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

Answer:b
Explanation:None.

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

Answer:c
Explanation:None.

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

Answer:a
Explanation:None.

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

Answer:b
Explanation:None.

All the best for your exams @Mission IT SO 2016