1. If a datagram router goes down then …………..

(A) all packets will suffer
(B) only those packets which are queued in the router at that time will suffer
(C) only those packets which are not queued in the router at that time will suffer
(D) no packets will suffer



2. In datagram subnet new route is chosen …………………

(A) for every packet sent
(B) for all the packet sent
(C) only for the first packet
(D) for the packet which is not transmitted



3. Which of the following is the logical topology?

(A) Bus
(B) Tree
(C) Star
(D) Both A and B



4. The service of closed loop congestion control technique is ………………

(A) when to accept new traffic
(B) when to discard the packets
(C) monitor the system to detect when and where congestion occurs
(D) which packets to discard



5. Which of the following are the network services?

(A) File service
(B) Print service
(C) Database service
(D) All of the above




6. The hosts which are basically stationary hosts who move from one fixed site to another from time to time but use the network only when they are physically connected to it are called …………….

(A) Migratory hosts
(B) Stationary hosts
(C) Mobile hosts
(D) Random hosts


 7. The standard suit of protocols used by the Internet, Intranets, extra-nets and some other networks.

(A) TCP/IP
(B) Protocol
(C) Open system
(D) Internet work processor


 8. Which one of the following is a data link protocol?

(A) ethernet
(B) point to point protocol
(C) HDLC
(D) all of the mentioned



9. 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)


 10. Which one of the following is the multiple access protocol for channel access control?

(A) CSMA/CD
(B) CSMA/CA
(C) both (A) and (B)
(D) none of the mentioned



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