| 51. | Which of the following assertions is FALSE about the Internet Protocol (IP) ? |
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Answer: (d).The packet source cannot set the route of an outgoing packets; the route is determined only by the routing tables in the routers on the way
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| 52. | Routers forward a packet using forwarding table entries. The network address of incoming packet may match multiple entries. How routers resolve this? |
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Answer: (a).Forward it the the router whose entry matches with the longest prefix of incoming packet
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| 53. | Which one of the following fields of an IP header is NOT modified by a typical IP router? |
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Answer: (b).Source address
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| 54. | In the network 200.10.11.144/27, the fourth octet (in decimal) of the last IP address of the network which can be assigned to a host is ________. |
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Answer: (a).158
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| 55. | If a Company require 60 hosts then What is the best possible subnet mask? |
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Answer: (b).255.255.255.192
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| 56. | In class C , if subnet mask is 255.255.255.224, then calculates number of subnet? |
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Answer: (a).6
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| 57. | A subnet has been assigned a subnet mask of 255.255.255.192. What is the maximum number of hosts that can belong to this subnet? |
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Answer: (c).62
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| 58. | A host is connected to a Department network which is part of a University network. The University network, in turn, is part of the Internet. The largest network in which the Ethernet address of the host is unique is: |
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Answer: (d).the Internet
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| 59. | In TCP, a unique sequence number is assigned to each |
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Answer: (a).byte
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| 60. | Which of the following objects can be used in expressions and scriplets in JSP (Java Server Pages) without explicitly declaring them? |
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Answer: (d).session, request and response
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