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Recent questions tagged data-link-layer
0
votes
1
answer
1
Self Doubt
What is the function of Error Control and Flow Control in Transport Layer? I think it's only used in Data Link Layer only?
Vashishtha
asked
in
Computer Networks
Oct 13, 2023
by
Vashishtha
244
views
self-doubt
data-link-layer
0
votes
0
answers
2
Made Easy Postal Book Package of Computer Network Example Questions from Data link layer Page Number 99, Question Number 2.41
54Y4N
asked
in
Computer Networks
Oct 9, 2023
by
54Y4N
212
views
data-link-layer
csma-cd
computer-networks
0
votes
1
answer
3
Computer networks ( data transmission )
If I am sending data from source to destination through a router and router have three interfaces possible then during sending a data packet from sender to receiver via router how many times the packet will go through data link layer ? ( does the answer would be same if we have 2 interfaces at router or any number of interfaces ?) Expalin please anyone :)
shashwatchawla
asked
in
Computer Networks
Apr 14, 2023
by
shashwatchawla
659
views
computer-networks
data-link-layer
0
votes
1
answer
4
Computer Networks - Andrew Tanenbaum - The Data Link Layer
Consider a bidirectional link that uses Selective Repeat ARQ with a window size of N = 7. Suppose that all frames are one unit long and use a time-out value of 2. Assume that the one-way propagation delay is 0.5 time unit, the ... A sends 8 frame in a row, starting at t = 0. All frames are received correctly, except frame 3 is lost.
suenolivia
asked
in
Computer Networks
Feb 27, 2023
by
suenolivia
1.0k
views
data-link-layer
selective-repeat
0
votes
1
answer
5
TestBook Website
Assume that host A and host C are connected through intermediate bridge and router labeled B and R respectively. Determine how many times each frame has to visit the network layer, data link layer and physical layer during a transmission from A to C. 1 Network Layer - 4, Data ... 3, Data Link Layer - 3, Physical Layer - 4 4 Network Layer - 4, Data Link Layer - 4, Physical Layer - 5
Sahil_Lather
asked
in
Computer Networks
Jan 26, 2023
by
Sahil_Lather
422
views
computer-networks
network-layer
data-link-layer
0
votes
1
answer
6
Gatezeal test series 2023
A network with bandwidth of 10 Mbps (10^7bps) can pass only an average of 12000 frames per minute with each frame carrying an average of 10000 bits .what is the throughput of this networK
Vaishnavi Gadhe
asked
in
Computer Networks
Nov 6, 2022
by
Vaishnavi Gadhe
505
views
computer-networks
numerical-answers
zeal
test-series
data-link-layer
0
votes
1
answer
7
Self Doubt.
Can anyone please explain this?
Nisha Bharti
asked
in
Computer Networks
Sep 22, 2022
by
Nisha Bharti
739
views
computer-networks
data-link-layer
network-layering
0
votes
2
answers
8
Self Doubt
What is the difference between Node-to-node delivery, Host-to-host delivery & Process-to-process delivery?
Nisha Bharti
asked
in
Computer Networks
Sep 14, 2022
by
Nisha Bharti
692
views
computer-networks
self-doubt
data-link-layer
network-layer
transport-layer
0
votes
0
answers
9
Self Doubt
To finding maximum efficiency of ALOHA protocol or CSMA/CD protocol, why double differentiation is used?
Nisha Bharti
asked
in
Computer Networks
Sep 11, 2022
by
Nisha Bharti
244
views
computer-networks
data-link-layer
csma-cd
1
vote
0
answers
10
igate booklate question
what is the character count method which is used for framing, in data link layer ? consider the string 5,4,3,2,5,6,7,8,9,3,2,4,1,2,3 in DLL character count method is used for framing,above msg can be divide in how many frame?
jugnu1337
asked
in
Computer Networks
Aug 25, 2022
by
jugnu1337
237
views
computer-networks
data-link-layer
0
votes
1
answer
11
Best Open Video Playlist for Data link layer:Ethernet bridging Topic | Computer Networks
Please list out the best free available video playlist for Data link layer:Ethernet bridging from Computer Networks as an answer here (only one playlist per answer). We'll then select the best playlist and add ... are more likely to be selected as best. For the full list of selected videos please see here
makhdoom ghaya
asked
in
Study Resources
Aug 23, 2022
by
makhdoom ghaya
268
views
go-classroom
free-videos
missing-videos
video-links
data-link-layer
ethernet
0
votes
0
answers
12
Best Open Video Playlist for Data link layer:Medium Access Control Topic | Computer Networks
Please list out the best free available video playlist for Data link layer:Medium Access Control from Computer Networks as an answer here (only one playlist per answer). We'll then select the best playlist ... are more likely to be selected as best. For the full list of selected videos please see here
makhdoom ghaya
asked
in
Study Resources
Aug 23, 2022
by
makhdoom ghaya
121
views
go-classroom
free-videos
missing-videos
video-links
data-link-layer
1
vote
1
answer
13
Practice Question | Unacademy
Consider the following statements (I) The two main function of data link layer are data link control and media access control (II) DLL guarantees reliable delivery of packets, hence no acknowledgements required. [A] Only I is true [B] Only II is true [C] Both are true [D] None Please explain your choice.
anupamsworld
asked
in
Computer Networks
Jun 12, 2022
by
anupamsworld
360
views
test-series
computer-networks
data-link-layer
0
votes
1
answer
14
Relation b/w data link layer of TCP/IP model and Ethernet protocal
Hii Everyone, I’m bit confuse b/w the functionalities of data link layer protocals (Framming,flow control ) and ethernet protocal Framming and flow control. Can anyone please clear my doubt Thanks.
lalitver10
asked
in
Computer Networks
Feb 28, 2022
by
lalitver10
329
views
self-doubt
data-link-layer
ethernet
transmission-media
1
vote
1
answer
15
Made Easy Test Series
The round trip delay between A and B is given as 60 ms, and the bottleneck bandwidth of the link between A and B is 512 KBps. What is the optimal window size (in packets) if the packet size is 64 bytes and the channel is full duplex.
LRU
asked
in
Computer Networks
Jan 20, 2022
by
LRU
526
views
made-easy-test-series
computer-networks
data-link-layer
ethernet
1
vote
3
answers
16
Applied Mock Test
Host A is connected to host B with a 100 Mbps link that has a 200 ms one-way latency and transmission delay of 10 sec. How much data can A send to B before B’s first acknowledgement reaches A?
LRU
asked
in
Computer Networks
Dec 28, 2021
by
LRU
444
views
test-series
computer-networks
data-link-layer
5
votes
1
answer
17
Applied Test Series
Suppose you want to transfer a file from Hyderabad to Bangalore. The size of file is 90,000 bytes. The file will be transferred in 1,500-byte data packets, for which 40 bytes are taken up with headers. The size of acknowledgement packets is 40 ... receives the entire data packet.Assume no packet loss. With Stop-and-Wait, how long will it take to transfer the file successfully?
LRU
asked
in
Computer Networks
Oct 23, 2021
by
LRU
1.2k
views
test-series
computer-networks
data-link-layer
stop-and-wait
0
votes
1
answer
18
Applied Test Series
In the CSMA/CD network the bandwidth of the link is 10 Mbps, two stations are connected at both the ends of the link. The speed of the transmission on the links is 5 x 10 ^6 m/sec. What is the length of the link in kilometre, if the minimum frame size is 500 bytes ?
LRU
asked
in
Computer Networks
Oct 21, 2021
by
LRU
406
views
test-series
computer-networks
data-link-layer
0
votes
0
answers
19
Applied Test Series
How big would the window size have to be for the channel utilization to be greater than 98 percent and the bandwidth is 1 Gbps? Suppose that the size of a packet is 1,500 bytes, including both header fields and data. The one way propagation delay is 15 milliseconds for the channel ?
LRU
asked
in
Computer Networks
Oct 21, 2021
by
LRU
334
views
test-series
computer-networks
data-link-layer
ethernet
0
votes
2
answers
20
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 that the processing delays at nodes are also negligible. If data packet size is 107 bits, then the efficiency of Go-Back-7 protocol is _______ (in %) [Correct upto two places of decimals].
LRU
asked
in
Computer Networks
Oct 13, 2021
by
LRU
669
views
test-series
computer-networks
data-link-layer
go-back-n
0
votes
2
answers
21
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 dummy packet outside the window for ensuring everything is correct [ dummy packet is an outside packet not the part of the window]. How many number of transmissions will be there?
LRU
asked
in
Computer Networks
Oct 13, 2021
by
LRU
1.0k
views
test-series
computer-networks
stop-and-wait
data-link-layer
go-back-n
1
vote
1
answer
22
Applied Test Series
Two systems are connected with the link and link is having a bandwidth of 20 Mbps. Assume the distance between them is 2400 km and the size of the packet is 2 KB with propagation speed is the same as the speed of light. What is the minimum number of bits required for the window to achieve 100% utilization in selective repeat protocol?
LRU
asked
in
Computer Networks
Oct 13, 2021
by
LRU
715
views
test-series
computer-networks
data-link-layer
stop-and-wait
1
vote
1
answer
23
Applied Test Series
In a CDMA/CD network with a data rate of 20 Mbps, the maximum distance between station pair is found to be 2000 m then what is the minimum transmission time(in sec) for the network if the speed is 4 * 10 ^4 m/sec ?
LRU
asked
in
Computer Networks
Oct 13, 2021
by
LRU
1.1k
views
test-series
computer-networks
csma-cd
ethernet
data-link-layer
1
vote
1
answer
24
Applied Test Series
Consider a selective repeat sliding window protocol, the window size of the sender is 128. What will be the sequence number for the 800th frame? [ Assume the available sequence number are the minimum required for window size of 128]
LRU
asked
in
Computer Networks
Oct 7, 2021
by
LRU
513
views
test-series
computer-networks
data
data-link-layer
1
vote
1
answer
25
Applied Test Series
Consider source and destination in a 10 Mbps network with sender window has 5 packets. Transmission delay for a packet is 10 micro-sec. Propagation delay from source to destination is 250 micro-sec. How long is the sender idle once a window is transmitted before starting the second window? Assume ACK transmission time is negligible.
LRU
asked
in
Computer Networks
Oct 4, 2021
by
LRU
242
views
test-series
computer-networks
data-link-layer
0
votes
1
answer
26
Applied Test Series
How big would the window size have to be for the channel utilization to be greater than 98 percent and the bandwidth is 1 Gbps? Suppose that the size of a packet is 1,500 bytes, including both header fields and data. The one way propagation delay is 15 milliseconds for the channel ?
LRU
asked
in
Computer Networks
Oct 4, 2021
by
LRU
1.3k
views
test-series
computer-networks
data-link-layer
2
votes
1
answer
27
ISI2018-PCB-CS9
The data link layer uses a fixed-size sliding window protocol, where the window size for the connection is equal to twice the bandwidth-delay product of the network path. Consider the following three scenarios, in each of which only the given parameter changes as specified (no ... minimum value of the round trip time $R$ increases to $1.8R$; the window size $W$ decreases to $W/3$
akash.dinkar12
asked
in
Computer Networks
May 12, 2019
by
akash.dinkar12
1.1k
views
isi2018-pcb-cs
computer-networks
data-link-layer
descriptive
0
votes
1
answer
28
Kurose and Ross Edition 6 Exercise 1 Question P28 (Page No 76)
Suppose two hosts, A and B, are separated by 20,000 kilometers and are connected by a direct link of R = 2 Mbps. Suppose the propagation speed over the link is $2.5 10^8$meters/sec. How long does it take to send the file ... the preceding one is acknowledged. How long does it take to send the file? Compare the results from (a) and (b).
ajaysoni1924
asked
in
Computer Networks
Apr 10, 2019
by
ajaysoni1924
731
views
computer-networks
kurose-and-ross
network-flow
data-link-layer
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