Which of the following fields of IP header is/are always modified by any router before it forwards to IP Packet ?
- Time to live
- Source IP address
- Header checksum
- Protocol
The Correct Option is A, C
Solution and Explanation
Top Questions on IPv4/IPv6, Routers and Routing Algorithms
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The value printed by the given C program is __________ (Answer in integer).
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Refer to the given 3-address code sequence. This code sequence is split into basic blocks. The number of basic blocks is __________. (Answer in integer)
1001: i = 1
1002: j = 1
1003: t1 = 10i
1004: t2 = t1+j
1005: t3 = 8t2
1006: t4 = t3-88
1007: a[t4] = 0.0
1008: j = j+1
1009: if j <= 10 goto 1003
1010: i = i+1
1011: if i <= 10 goto 1002
1012: i = 1
1013: t5 = i-1
1014: t6 = 88t5
1015: a[t6] = 1.0
1016: i = i+1
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