Search results for control / GATE Overflow for GATE CSE

82 votes

12 answers

1

GATE CSE 2014 Set 1 | Question: 27
Let the size of congestion window of a TCP connection be $32$ KB when a timeout occurs. The round trip time of the connection is $100$ msec and the maximum segment size used is $2$ KB. The time taken (in msec) by the TCP connection to get back to $32$ KB congestion window is _________.

Let the size of congestion window of a TCP connection be $32$ KB when a timeout occurs. The round trip time of the connection is $100$ msec and the maximum segment size u...

go_editor

37.8k views

go_editor asked Sep 26, 2014

74 votes

7 answers

2

GATE CSE 2012 | Question: 45
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 during ... Find the congestion window size at the end of the tenth transmission. $8$ MSS $14$ MSS $7$ MSS $12$ MSS

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 t...

Arjun

38.4k views

Arjun asked Sep 29, 2014

69 votes

10 answers

3

GATE IT 2005 | Question: 73
On a TCP connection, current congestion window size is Congestion Window = $4$ KB. The window size advertised by the receiver is Advertise Window = $6$ KB. The last byte sent by the sender is LastByteSent = $10240$ and the last byte acknowledged by ... LastByteAcked = $8192$. The current window size at the sender is: $2048$ bytes $4096$ bytes $6144$ bytes $8192$ bytes

On a TCP connection, current congestion window size is Congestion Window = $4$ KB. The window size advertised by the receiver is Advertise Window = $6$ KB. The last byte ...

Ishrat Jahan

26.1k views

Ishrat Jahan asked Nov 3, 2014

37 votes

9 answers

4

GATE CSE 2018 | Question: 14
Consider the following statements regarding the slow start phase of the TCP congestion control algorithm. Note that cwnd stands for the TCP congestion window and MSS window denotes the Maximum Segments Size: The cwnd increases by $2$ MSS on every successful acknowledgment The cwnd ... true Only $\text{(iv)}$ is true Only $\text{(i)}$ and $\text{(iv)}$ are true

Consider the following statements regarding the slow start phase of the TCP congestion control algorithm. Note that cwnd stands for the TCP congestion window and MSS wind...

gatecse

23.3k views

gatecse asked Feb 14, 2018

67 votes

6 answers

5

GATE IT 2004 | Question: 85
Consider a simplified time slotted MAC protocol, where each host always has data to send and transmits with probability $p$ = $0.2$ in every slot. There is no backoff and one frame can be transmitted in one slot. If more than one host transmits in the same slot, then ... if each host has to be provided a minimum throughput of $0.16$ frames per time slot? $1$ $2$ $3$ $4$

Consider a simplified time slotted MAC protocol, where each host always has data to send and transmits with probability $p$ = $0.2$ in every slot. There is no backoff and...

Ishrat Jahan

17.1k views

Ishrat Jahan asked Nov 2, 2014

57 votes

5 answers

6

GATE CSE 2018 | Question: 55
Consider a simple communication system where multiple nodes are connected by a shared broadcast medium (like Ethernet or wireless). The nodes in the system use the following carrier-sense based medium access protocol. A node that receives a ... allows $Q$ to successfully avoid a collision between its proposed transmission and $P$'s ongoing transmission is _______.

Consider a simple communication system where multiple nodes are connected by a shared broadcast medium (like Ethernet or wireless). The nodes in the system use the follow...

gatecse

19.2k views

gatecse asked Feb 14, 2018

9 votes

1 answer

7

GO Classes Test Series 2024 | Mock GATE | Test 12 | Question: 39
Consider a $\text{TCP}$ flow sending three segments, namely $1,2,$ and $3.$ Due to congestion, the $\text{TCP}$ flow experiences exactly two losses. Only segments can be lost; acknowledgments are not lost. Segments $1$ and $3$ are ... for all packets successfully? $\text{3 RTTs}$ $\text{5 RTTs}$ $\text{6 RTTs}$ $\text{8 RTTs}$

Consider a $\text{TCP}$ flow sending three segments, namely $1,2,$ and $3.$ Due to congestion, the $\text{TCP}$ flow experiences exactly two losses. Only segments can be ...

GO Classes

732 views

GO Classes asked Jan 21

1 votes

2 answers

8

Control Unit
Consider a microprogrammed control unit has to support 32 number of instructions. For each instruction execution control unit generate a sequence of 64 control words. Each micro instruction contains 3 fields: 118 control signals to support horizontal control unit, a MUX select field to select one of 8 inputs, and a next address field. The size of control memory needed is?

Consider a microprogrammed control unit has to support 32 number of instructions. For each instruction execution control unit generate a sequence of 64 control words. Eac...

arnabjana09

210 views

arnabjana09 asked Jan 11

45 votes

9 answers

9

GATE CSE 2015 Set 1 | Question: 29
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 beginning of a slot. A collision is said to have occurred if more than ... respectively. The probability of sending a frame in the first slot without any collision by any of these four stations is__________________.

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 beginning of a slot. A...

makhdoom ghaya

13.6k views

makhdoom ghaya asked Feb 13, 2015

0 votes

1 answer

10

Control Unit
Design a vertical micro programmed control unit to generate 40 signals. Out of first 35 those only 3 signals can be active at a time. And remaining 5, anyone can be active anytime. The micro instruction of the control unit stores control signal information along with 3-bit MUX select and 12 bits address field. The size of the control memory required is?

Design a vertical micro programmed control unit to generate 40 signals. Out of first 35 those only 3 signals can be active at a time. And remaining 5, anyone can be acti...

arnabjana09

222 views

arnabjana09 asked Jan 11

2 votes

0 answers

11

madeeasy ots
In first option one bit error to merge two consecutive frames into one – I cannot understand this. B should be 2^k/2-1 for selective reject. It should be false . Right??

In first option one bit error to merge two consecutive frames into one – I cannot understand this. B should be 2^k/2-1 for selective reject. It should be false . Right...

Sajal Mallick

214 views

Sajal Mallick asked Dec 2, 2023

0 votes

0 answers

12

#Applied Course
Assume the scenario of AIMD where the size of the congestion window of a TCP connection is 40KB when a timeout occurs, the initial threshold is 38 KB. The MSS is 2KB. At which transmission after a timeout the sender window reaches 20 KB? The given ... line At which transmission after a timeout the sender window reaches 20 KB? we need to count from starting or after timeout?

Assume the scenario of AIMD where the size of the congestion window of a TCP connection is 40KB when a timeout occurs, the initial threshold is 38 KB. The MSS is 2KB. At ...

Dknights

178 views

Dknights asked Dec 28, 2023

0 votes

1 answer

13

MIT Practice Problems
Ben Bitdiddle implements a reliable data transport protocol intended to provide "exactly once" semantics. Each packet has an 8-bit incrementing sequence number, starting at 0. As the connection progresses, the sender "wraps around" ... 100 milliseconds.What is the highest throughput achievable if Ben's implementation is stop-and-wait?(in Kbytes/sec)

Ben Bitdiddle implements a reliable data transport protocol intended to provide "exactly once" semantics. Each packet has an 8-bit incrementing sequence number, starting ...

rexritz

360 views

rexritz asked Dec 4, 2023

0 votes

1 answer

14

FLOW CONTROL
A 2 Mbps satellite links 2 ground stations. Height of the satellite from the ground station is 10,000 Km and speed of signal is 3 × 108 m/s. Given packet size = 100 B. Find out the efficiency percentage upto 2 decimal place?

A 2 Mbps satellite links 2 ground stations. Height of the satellite from the ground station is 10,000 Km and speed of signal is 3 × 108 m/s. Given packet size = 100 B. F...

24aaaa23

402 views

24aaaa23 asked Oct 2, 2023

1 votes

2 answers

15

UGC NET CSE | June 2023 | Part 2: 44
Which one of the following is $\text{NOT}$ a part of $\text{ACID}$ properties of a database transaction? Atomicity Consistency Isolation Deadlock-freedom

Which one of the following is $\text{NOT}$ a part of $\text{ACID}$ properties of a database transaction?AtomicityConsistencyIsolationDeadlock-freedom

admin

276 views

admin asked Jul 28, 2023

0 votes

1 answer

16

Made Easy Test Series 2024
Consider a CPU where all the instructions require 8 clock cycles to complete execution. There are 220 instructions in the instruction set. It is found that 239 control signals are needed to be generated by the control unit. While designing the ... bits) Can anyone please explain the concept used here I studied the control unit but I am not getting this question

Consider a CPU where all the instructions require 8 clock cycles to complete execution. There are 220 instructions in the instruction set. It is found that 239 control si...

Ray Tomlinson

522 views

Ray Tomlinson asked Sep 6, 2023

7 votes

4 answers

17

GATE Overflow Test Series | Mock GATE | Test 2 | Question: 16
Statement $1$: The $p-$persistent algorithm with binary exponential backoff is efficient over a wide range of loads. Statement $2$ : An algorithm is needed with CSMA to specify what a station should do if the medium is found ... true but statement $2$ is false Both statements are false Statement $2$ is true but statement $1$ is false

Statement $1$: The $p-$persistent algorithm with binary exponential backoff is efficient over a wide range of loads.Statement $2$ : An algorithm is needed with CSMA to sp...

gatecse

688 views

gatecse asked Jan 17, 2021

5 votes

2 answers

18

Micro programmed Control Unit
Microprogrammed control unit uses fixed logic to interrupt instruction. True or False.

Microprogrammed control unit uses fixed logic to interrupt instruction.True or False.

Shubhanshu

2.8k views

Shubhanshu asked Jan 7, 2018

0 votes

1 answer

19

control signal
28 control signal to each micro operation has 2 control signal active at a time. Find minimum no. of bits need for control field.

28 control signal to each micro operation has 2 control signal active at a time. Find minimum no. of bits need for control field.

someshawasthi

237 views

someshawasthi asked Oct 27, 2022

0 votes

1 answer

20

Casecading rollback in WD and WW
Is the possibility of cascading rollbacks more in Wound and Wait or in Wait Die?

Is the possibility of cascading rollbacks more in Wound and Wait or in Wait Die?

Tara33

265 views

Tara33 asked Dec 25, 2022

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