Gate Exam

In an IPv4 datagram, the M bit is 0, the value of HLEN is 10, the value of total length is 400 and the fragment offset value is 300. The position of the datagram, the sequence numbers of the first and the last bytes of the payload, respectively are

Option
(A) Last fragment, 2400 and 2789
(B) First fragment, 2400 and 2759
(C) Last fragment, 2400 and 2759
(D) Middle fragment, 300 and 689

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Gate Other Question

The preorder traversal sequence of a binary search tree is 30, 20, 10, 15, 25, 23, 39, 35, 42. Which one of the following is the postorder traversal sequence of the same tree?

Option
(A) 10,20,15,23,25,35,42,39,30
(B) 15,10,25,23,20,42,35,39,30
(C) 15,20,10,23,25,42,35,39,30
(D) 15,10,23,25,20,35,42,39,30 Determine the maximum length of cable (in km) for transmitting data at a rate of 500 Mbps in an Ethernet LAN with frames of size 10,000 bits. Assume the signal speed in the cable to be 2,00,000 km/s

Option
(A) 1
(B) 2
(C) 2.5
(D) 5