1. In ………………… each packet of a message need not follow the same path from sender to receiver.

(A) Circuit switching
(B) message switching
(C) a virtual approach to packet switching
(D) The datagram approach to packet switching

2. The network layer protocol of internet is

(A) ethernet
(B) internet protocol
(C) hypertext transfer protocol
(D) none of the mentioned

3. For applications such as audio and video streaming, the variation in the packet arrival times is called ……………..

(A) Random early detection
(B) Jitter
(C) Delay difference
(D) Load shedding

4. The data unit in the TCP/IP data link layer called a .....

(A) Message            
(B) Segment 
(C) Datagram
(D) Frame

5. Transmission data rate is decided by

(A) network layer

(B) physical layer
(C) data link layer
(D) transport layer

6. Devices on one network can communicate with devices on another network via a .......

(A) File Server           
(B) Utility Server
(C) Printer Server       
(D) Gateway

7. In ………………. transmission, the channel capacity is shared by both communicating devices at all times.

(A) Simplex
(B) half-duplex
(C) full-duplex
(D) automatic

8. A simple cabling method, known as the ............ topology, allows about 30 computers on a maximum cable length of about 600 feet. 

(A) Star
(B) Ring
(C) Bus
(D) Tree

9. Which layers of the OSI determines the interface often system with the user?

(A) Network
(B) Application
(C) Data link
(D) Session

10. Which sublayer of the data link layer performs data link functions that depend upon the type of medium?

(A) logical link control sublayer
(B) media access control sublayer
(C) network interface control sublayer
(D) none of the mentioned

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