COMPUTER NETWORK 2018 QUESTION PAPER
(Multiple Choice Type Questions)
1)Repeaters function in the layer.
a) data link b) physical c) network d) transport
Ans-(B) physical
2)Communication channel is shared by all the machines on the network in
a) multicast network b) broadcast network c) unicast network d) None of these
Ans-(A) broadcast network
3)RIP is
a) Multicast Routing Protocol b) Broadcast Routing Protocol
c) Unicast Routing Protocol d) None of these
Ans-(C) Unicast Routing Protocol
4) Which of the following is a valid host for the network 192.168.10.32/28?
a) 192.168.10.39 b) 192.168.10.49
c) 192.168.10.14 d) 192.168.10.54
Ans-(A)192.168.10.39
5) A is a device that forwards packets between networks by processing the routing infomation included in the packet.
a) Bridge b) Firewall c) Router d) Switch
Ans-(C)Router
6) User datagram protocol is called connectionless because
a) all UDP packets are treated independently by transport layer
b) it sends data as a stream of related packets
c) it is received in the same order as sent order
d) None of these
Ans-(A) all UDP packets are treated independently by transport layer
7) Which one of the following task is not done by data link layer?
a) Framing b) Error control c) Flow control d) Channel coding
Ans-(D) Channel coding
8) Which address identifies a process on a host?
a) Physical address b) Logical address c) Port address d) Specific address
Ans-(C) Port address
9) Transmissiondata rate decided by
a) network layer b) physical layer c) data link layer d) transport layer
Ans-(B) physical layer
10)Which of the following is a form of DoS attack?
a) Vulnerability attack b) Bandwidth flooding c) Connection flooding d) All of these
Ans-(B) Bandwidth flooding
11) IPv6 does not use ________ type of address.
a) Broadcast b) Multicast c) Anycast d) None of these
Ans-(A) Broadcast
COMPUTER NETWORK 2017 QUESTION PAPER
(Multiple Choice Type Questions)
1) WDM methodology is popularly used for pair cable
a) twisted b) coaxial cable c) optical fiber d) wireless transmission
Ans-(C) optical fiber
2) A network which is used for sharing data, software, and hardware among several users owning microcomputers is called
a) WAN b) LAN c) MAN d) VAN
Ans-(B) LAN
3) Method of communication in which transmission takes place in both directions, but only in one direction at a time is called
a) simplex b) Full-duplex c) Four-wire circuit d)Half-duplex
Ans-(D) Half-duplex
4) The topology with highest reliability is
a) bus topology b) star topology c) ring topology d) mesh topology
Ans-(D) mesh topology
5) Protocols are
a) agreement on how communication components and DTEs are to communicate
b) logical communication channels used for transferring data
c)physical communication channels used for transferring data
d) None of these
Ans-(A) Agreement on how communication components and DTEs are to communicate
6) For stop-and-wait flow control, for n data packets sent, how many acknowledgments are needed?
a)n b) 2n c) n-1 d) n+1
Ans-(A) n
7) Which of the following is not Network support Layer?
a) Transport Layer
c) Data Link Layer
b) Network Layer
d) Physical Layer
Ans-(A) Transport Layer
8) The amount of data that can be carried from one point to another in a given period of time is
a) Scope b) Bandwidth c) Limitation d) Capacity
Ans-(B) Bandwidth
9) Which one of the following routine algorithms can be used for network layer design?
a) Shortest path Algorithm
c)Link State Routine
b) Distance Vector Routine
d) All of these
Ans-(D) All of these
10)ICMP is primarily used for (Network Layer)
a) Error diagnostic
c) Forwarding
b) Addressing
d) None of these
Ans-(A) Error Diagnostic
11) The duration of time it takes to send a message from one end of a network to the other and back is called.
a) Round trip time
c) Circle trip time
b) Full Duplex Time
d) Data Travelling time
Ans-(A) Round trip time
12) What is the minimum size of a IP packet?
a) 16 byte b) 10 byte c) 20 byte d) 32 byte
Ans-(C) 20 byte
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