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Recent questions tagged go-back-n

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Go-Back-N
I have a doubt regarding Go-Back-N:IN Relationship b/w sequence no. and sender window size(sws) - if sequence no bits(k) is given then sws = (2^k) - 1, if Transmission de...
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Zeal Test
Station A needs to send a message of 15 packets to Station B using a sliding window protocol (with a window size of 5) and a go-back-n error control strategy. All packets...
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Transmission and Propagation time
Let's say A and B are connected via an intermediate Node X. what will be the Transmission Time and Propagation Time in the following scenarios:if X is a routerif X is ...
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Go-Back-n
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Optimal window size for Selective Repeat and Go-Back-N
Assume a network with a round-trip time (RTT) of 100 ms and a bandwidth-delay product of 1000 bits. Calculate the optimal window size for both Selective Repeat and Go-Bac...
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GO Back N MSQ
In a “go back N” pipelined protocol, the sender maintains a window which identifies the sequence number of packets it is allowed to send. When the sender receives a (posi...
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Sliding Window Protocol
Consider the sliding window algorithm where sender window size is 9 and receiver window size is 7 and no out of order arrivals. What is the smallest value for maximum seq...
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GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 12
Consider the sender's view of the sequence numbers in Go-Back-N protocol. Suppose the first sequence number in the sender's window is $k$, and the last sequence number in...
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Go-Back-N
In Go-Back-N protocol (with an ACK/NAK response time within three frame transmissions) there are constantly new frames to be transmitted. The frames are numbered with 3 b...
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GO Classes 2024 | IIITH Mock Test 4 | Question: 49
Assume a link has a round-trip propagation delay of $100 \mathrm{~msec}$. Also, assume an $8 \mathrm{~Kbps}$ transmitter and a frame with $3$ bit sequence numbers. What i...
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GB-N
In GB-3, if every 4th packet that is being transmitted is lost and if we have to send 10 packet then how many total transmissions are required?
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Gate Test series
Q: Consider the Transmission of a 10000 bit frame on 10 Mbps channel with a propagation delay of 250 ms. The sender window size is 7 and probability of error in single fr...
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MADE EASY test series | Computer Networks
Can someone please suggest weather to go for 20.5 or 21 in these kind of problems in GATE? As logically 21 is correct, but mathematically 20.5 is correct.Both the answers...
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unacademy AIMT 2
In go back 5, if every 7th packet that is being transmitted is lost and if we have to send 10 packets, then how many transmissions are required____.I’m getting 15 but the...
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Solution is 2 or 3?
Should the solution for the above question be 2 or 3?
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Sliding window, Go-Back-N protocol, All ack lost case
I understood that receiver will correctly discard the frames in GBN all ack lost case. But its given that its positive ack and hence receiver wont send ack for discarded ...
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Applied Course Test Series
In the GO back N ARQ sender is sending the 15 packets to the destination with a window size of 5.Assume every sixth packet while transmission is lost. How many transmiss...
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In Go-back-N protocol with m=6, the sending machine is in the ready state with Sf=10 and Sn=15, An ACK with ACKNo =13 arrives, what are the next values of Sf, Sn and Rn?
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ISI 2019 | PCB CS | Question: 7
Recall that in go-back-$N$ protocol, the transmitting window size is $N$ and the receiver window size is $1.$ Consider a pipelined, reliable transport protocol that uses ...
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Applied Test Series
A link has a transmission speed of 500 × 10^6 bpsec. Assume acknowledgment has negligible transmission delay, and it's one way propagation delay is 2 sec. Also assumes th...
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Applied Test Series
In the GO back N ARQ sender is sending the 20 packets to the destination with a window size of 4. Every sixth packet is lost and after a packet loss sender is sending one...
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Kurose and Ross Edition 6 Exercise 3 Question R12 (Page No 286)
Visit the Go-Back-N Java applet at the companion Web site.Have the source send five packets, and then pause the animation before any of the five packets reach the destina...
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Self doubt
In go back n arq, the reciever window size is 1 and the sender window size is let's suppose 3.Now if the sender sends the frames with sequence numbers in order 0,1,2 and ...
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computer network
A Go-Back-5 ARQ scheme is employed on a 200 meters cable between two nodes A and B to send frames of size 10,000 bits with bit rate 1 Mbps and bit error probability of 10...
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Made easy test series computer network gbn Sr sliding window protocol
Consider two computers A and B areconnected through a network of 30 Mbps. Assume the distance between them is 3000km and the signal propagation speed is same as the speed...
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Why we need to wait for ACK in sliding window protocol in this specific question
I was going through this question;The link A-R is instantaneous , but the R->B link transmits only 1 packet each second , one at a time . Assume A sends to B using slidin...
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