GATE Computer Networks: Data Link Layer: Error Detection, Medium Access Control, Flow Control – Previous Year Questions
13 GATE previous year questions on Data Link Layer: Error Detection, Medium Access Control, Flow Control (Computer Networks, Computer Science) with answers and explanations, from every paper.
- GATE 2017 CS Q42 – A computer network uses polynomials over GF(2) for error checking with 8 bits as information bits and uses x3 + x + 1 as the generator polynomial to…
- GATE 2017 CS Q55 – The values of parameters for the Stop-and-Wait ARQ protocol are as given below: Bit rate of the transmission channel = 1 Mbps. Propagation delay from…
- GATE 2016 CS Q65 – A sender uses the Stop-and-Wait ARQ protocol for reliable transmission of frames. Frames are of size 1000 bytes and the transmission rate at the…
- GATE 2015 CS Q36 – Suppose that the stop-and-wait protocol is used on a link with a bit rate of 64 kilobits per second and 20 milliseconds propagation delay. Assume that…
- GATE 2015 CS Q39 – Consider a LAN with four nodes S 1, S 2, S 3 and S 4. Time is divided into fixed-size slots, and a node can begin its transmission only at the…
- GATE 2018 CS Q65 – Consider a simple communication system where multiple nodes are connected by a shared broadcast medium (like Ethernet or wireless). The nodes in the…
- GATE 2019 CS Q39 – Suppose in an IP-over-Ethernet network, a machine X wishes to find the MAC address of another machine Y in its subnet. Which one of the following…
- GATE 2026 CS (CS2) Q43 – Consider the transmission of data bits `110001011000` over a link that uses Cyclic Redundancy Check (CRC) code for error detection. If the generator…
- GATE 2026 CS (CS1) Q45 – Consider the implementation of sliding window protocol over a lossless link, with a window size of W frames, where each frame is of size 1000 bits…
- GATE 2024 CS (CS2) Q23 – Node 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…
- GATE 2024 CS (CS2) Q55 – Consider an Ethernet segment with a transmission speed of 108 bits/sec and a maximum segment length of 500 meters. If the speed of propagation of the…
- GATE 2021 CS Q18 – Consider the following two statements. S 1: Destination MAC address of an ARP reply is a broadcast address. S 2: Destination MAC address of an ARP…
- GATE 2021 CS Q39 – Assume that a 12-bit Hamming codeword consisting of 8-bit data and 4 check bits is d 8d 7d 6d 5c 8d 4d 3d 2c 4d 1c 2c 1, where the data bits and the…