OSI model FOR CCC EXAM

                        OSI model FOR CCC EXAM 

1. OSI stands for

a) open system interconnection
b) operating system interface
c) optical service implementation
d) none of the mentioned

Answer: a

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

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)

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

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

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

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

Answer: b

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

Answer: c

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

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

.