GATE CSE 2003 | GATE CSE Year Wise Previous Years Questions

GATE CSE 2003

MCQ (Single Correct Answer)

-0.6

The subnet mask for a particular network is 255.255.31.0. Which of the following pairs of IP addresses could belong to this network?

172.57.88.62 and 172.56.87.233

10.35.28.2 and 10.35.29.4

191.203.31.87 and 191.234.31.88

128.8.129.43 and 128.8.161.55

GATE CSE 2003

MCQ (Single Correct Answer)

-0.3

Which of the following assertions is FALSE about the Internet Protocol (IP)?

It is possible for a computer to have multiple IP addresses

IP packets from the same source to the same destination can take different routes in the network

IP ensures that a packet is discarded if it is unable to reach its destination within a given number of hops

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

GATE CSE 2003

MCQ (Single Correct Answer)

-0.6

Host A is sending data to host B over a full duplex link. A and B are using the sliding window protocol for flow control. The send and receive window sizes are 5 packets each. Data packets (sent only from A to B) are all 1000 bytes long and the transmission time for such a packet is 50 $$\mu $$s Acknowledgement packets (sent only from B to A) are very small and require negligible transmission time. The propagation delay over the link is 200 $$\mu $$s. What is the maximum achievable throughput in this communication?

7.69 × 10⁶ bps

11.11 × 10⁶ bps

12.33 × 10⁶ bps

15.00 × 10⁶ bps

GATE CSE 2003

MCQ (Single Correct Answer)

-0.6

A 2 km long broadcast LAN has 10⁷ bps bandwidth and uses CSMA/CD. The signal travels along the wire at 2 × 10⁸ m/s. What is the minimum packet size that can be used on this network?

50 bytes

100 bytes

200 bytes

None of the above

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