Recent questions tagged networks - GATE CSE Doubts

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Madeeasy Testseries CN Q4
Here why can’t the answer be p1(1-b1)^L (1-p2)(1-p3) + (1-p1)(p2)(1-b2)^L(1-p3) + (1-p1)(1-p2)(p3)(1-b3)^L ?

asked 5 days ago in Computer Networks by Shivateja MST (45 points) | 22 views

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Madeeasy Test series CN Q3
Which of the following is a valid multicast MAC Address ? 01:00:5E:00:00:00 01:00:5E:00:00:FF 01:00:5E:00:FF:FF 01:00:5E:FF:FF:FF

asked 5 days ago in Computer Networks by Shivateja MST (45 points) | 7 views

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Madeeasy Test series CN Q2
Which of the following is/are correct regarding IPV4 Datagram Header? The minimum length of HLEN field is 5 and maximum is 20. Total length field has a minimum value of 20 Bytes and maximum of 65516 Bytes Fragmentation offset maximum value is 65514 Bytes. None of the above

asked 6 days ago in Computer Networks by Shivateja MST (45 points) | 40 views

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Made Easy Test Series CN Q1
Which of the following timer is responsible for keeping the window size information flowing even if the other end closes its receiver window ? Persistence timer Keep Alive Timer’ Timed wait timer Retransmission timer

asked Dec 22, 2020 in Computer Networks by Shivateja MST (45 points) | 18 views

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Gate- 2012, CSE, Computer Networks , TCP
Q:- Consider an instance of TCP's Additive Increase Multiplicative Decrease (AIMD) algorithm where the windows size at the start of the slow start phase is 2 MSS and the threshold at the start of the first transmission is 8 MSS. Assume that a time-out occurs during ... at the end of the tenth transmission. (a) 8MSS (b) 14 MSS (c) 7 MSS (d) 12 MSS (Gate-2012)

asked Dec 7, 2020 in Computer Networks by Abhishek Kumar Verma (5 points) | 13 views

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Gate Applied Practice test
An organization with 4 departments has the following IP address space: 10.2.22.0/23. As the systems manager, you are required to create subnets to accommodate the IT needs of 4 departments. The subnets have to support to 200, 61, 55, and 41 hosts ... Network into 5 subnet when we can fulfill our need with just 4. As dividing it Into more subnet will just waste IP address?

asked Nov 8, 2020 in Computer Networks by Sahil91 (643 points) | 26 views

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PEARSON GATE 2019 PRACTICE PROBLEM 2
In a gigabit ethernet lan the receiver couldn't empty the input buffer on some lines for 1 millisecond what is the maximum accumulation of frames with a possible neglecting propagation delays

asked Nov 7, 2020 in Computer Networks by hari310798 (13 points) | 23 views

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Doubt on PYQ in Computer Networks
https://gateoverflow.in/3732/gate2004-it-88 Here we are asked to give – “maximum possible value of the current transmit window”. Why are we answering the current transmit window after the reception of two acks? The max size of current transmit window is 12000B(=receiver window size) right?

asked Oct 1, 2020 in Computer Networks by nvs16 (9 points) | 10 views

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COMPUTER NETWORKS NPTEL ASSIGNMENT QUESTION

asked Sep 9, 2020 in Computer Networks by StoneHeart (735 points) | 44 views

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GATE CS 2012 QUESTION NO.45 CN
CONSIDER AN INSTANCE OF TCP'S ADDITIVE INCREASE MULTIPLICATIVE DECREASE (AIMD) ALGORITHM WHERE THE WINDOW SIZE AT THE START OF THE SLOW START PHASE IS 2 MSS AND THE THRESHOLD AT THE START OF THE FIRST TRANSMISSION IS 8 MSS. ASSUME THAT A TIMEOUT OCCURS ... :8 (As Threshold is again computed to be 5 after 5th T timeout ) Why not 8MSS could be the possible Answer??

asked Feb 15, 2020 in Computer Networks by bajajshubham (5 points) | 12 views

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Applied course test series : Subnetting
In a new Addressing scheme, the Ip address uses 32 bit in which the last two bits of 32 bits is the subnet bits and the starting four bits of the first octet are network bits rest of them are host bits. What is the Direct broadcast ... ] 127.255.255.254 127.255.255.255 127.255.255.253 126.255.255.249 Plz someone provide correct answer and explaination.

asked Dec 17, 2019 in Computer Networks by vishal burnwal (73 points) | 44 views

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