Interview question based on skill :
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Total Questions: 20
1. In virtual circuit network each packet contains
Correct Answer is : a short VC number
2. Which one of the following routing algorithm can be used for network layer design?
Correct Answer is : all of the mentioned
3. Multidestination routing
Correct Answer is : data is not sent by packets
4. A subset of a network that includes all the routers but contains no loops is called
Correct Answer is : spanning tree
5. Which one of the following algorithm is not used for congestion control?
Correct Answer is : none of the mentioned
6. The network layer protocol of internet is
Correct Answer is : internet protocol
7. ICMP is primarily used for
Correct Answer is : error and diagnostic functions
8. Which of the following delay is faced by the packet in travelling from one end system to another ?
Correct Answer is : All of the mentioned
9. For a 10Mbps Ethernet link, if the length of the packet is 32bits, the transmission delay is(in milliseconds)
Correct Answer is : 3.2
10. The time required to examine the packet’s header and determine where to direct the packet is part of
Correct Answer is : Processing delay
11. Traffic intensity is given by, where L = number of bits in the packet a = average rate R = transmission rate
Correct Answer is : La/R
12. In the transfer of file between server and client, if the transmission rates along the path is 10Mbps, 20Mbps, 30Mbps, 40Mbps. The throughput is usually
Correct Answer is : 10Mbps
13. If end to end delay is given by dend-end = N(dproc + dtrans + dprop) is a non congested network. The number of routers between source and destination is
Correct Answer is : N-1
14. The total nodal delay is given by
Correct Answer is : dnodal = dproc + dqueue + dtrans + dprop
15. In a network, If P is the only packet being transmitted and there was no earlier transmission, which of the following delays could be zero
Correct Answer is : Queuing delay
16. Transmission delay does not depend on
Correct Answer is : Distance between the routers
17. Propagation delay depends on
Correct Answer is : Distance between the routers
18. The attackers a network of compromised devices known as
Correct Answer is : Botnet
19. Which of the following is a form of DoS attack ?
Correct Answer is : All of the mentioned
20. The DoS attack is which the attacker establishes a large number of half-open or fully open TCP connections at the target host
Correct Answer is : Connection flooding
