GATE CSE 2003 | GATE CSE Year Wise Previous Years Questions

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

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)

-0.3

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

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

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