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GATE CS Computer Networks Previous Year Questions

12 solved GATE CS questions on Computer Networks, drawn from 1 exam year and grouped by year. Every question shows the official answer and a step-by-step solution.

GATE CS 202412 questions

  1. Set 1 Q16A user starts browsing a webpage hosted at a remote server. The browser opens a single TCP connection to fetch the entire webpage from the server. The webpage…MCQ · +1 marks · Easy
  2. Set 1 Q29TCP client PP successfully establishes a connection to TCP server QQ. Let NPN_P denote the sequence number in the SYN sent from PP to QQ. Let NQN_Q denote…MSQ · +1 marks · Easy
  3. Set 1 Q31Which of the following fields is/are modified in the IP header of a packet going out of a network address translation (NAT) device from an internal network to…MSQ · +1 marks · Medium
  4. Set 1 Q36Consider a network path P—Q—R between nodes P and R via router Q. Node P sends a file of size 10610^6 bytes to R via this path by splitting the file into chunks…MCQ · +2 marks · Medium
  5. Set 1 Q58Consider the entries shown below in the forwarding table of an IP router. Each entry consists of an IP prefix and the corresponding next hop router for packets…NAT · +2 marks · Medium
  6. Set 1 Q65Consider sending an IP datagram of size 1420 bytes (including 20 bytes of IP header) from a sender to a receiver over a path of two links with a router between…NAT · +2 marks · Hard
  7. Set 2 Q23Node X has a TCP connection open to node Y. The packets from X to Y go through an intermediate IP router R. Ethernet switch S is the first switch on the…MSQ · +1 marks · Medium
  8. Set 2 Q28Which of the following statements about IPv4 fragmentation is/are TRUE?MSQ · +1 marks · Easy
  9. Set 2 Q32Which of the following fields of an IP header is/are always modified by any router before it forwards the IP packet?MSQ · +1 marks · Medium
  10. Set 2 Q38Which one of the following CIDR prefixes exactly represents the range of IP addresses 10.12.2.0 to 10.12.3.255?MCQ · +2 marks · Easy
  11. Set 2 Q54Consider a TCP connection operating at a point of time with the congestion window of size 12 MSS (Maximum Segment Size), when a timeout occurs due to packet…NAT · +2 marks · Medium
  12. Set 2 Q55Consider an Ethernet segment with a transmission speed of 10810^8 bits/sec and a maximum segment length of 500 meters. If the speed of propagation of the signal…NAT · +2 marks · Medium

Other GATE CS topics

Engineering Mathematics(23)General Aptitude(20)Programming & Data Structures(17)Databases(12)Computer Organization & Architecture(12)Operating System(10)Compiler Design(9)Theory of Computation(8)Digital Logic(8)Algorithms(5)

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