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Recent questions tagged application-layer-protocols

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Best Open Video Playlist for Application layer protocols: Email Topic | Computer Networks
Please list out the best free available video playlist for Please list out the best free available video playlist for Application layer protocols: Email from Computer Network as an answer here (only one playlist per ... as they are free to access) but standard ones are more likely to be selected as best.

makhdoom ghaya asked in Study Resources Aug 24

by makhdoom ghaya

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Best Open Video Playlist for Application layer protocols: FTP Topic | Computer Networks
Please list out the best free available video playlist for Please list out the best free available video playlist for Application layer protocols: FTP from Computer Network as an answer here (only one playlist per answer ... as they are free to access) but standard ones are more likely to be selected as best.

makhdoom ghaya asked in Study Resources Aug 24

by makhdoom ghaya

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Best Open Video Playlist for Application layer protocols: SMTP Topic | Computer Networks
Please list out the best free available video playlist for Please list out the best free available video playlist for Application layer protocols: SMTP from Computer Network as an answer here (only one playlist per answer ... as they are free to access) but standard ones are more likely to be selected as best.

makhdoom ghaya asked in Study Resources Aug 24

by makhdoom ghaya

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GATE CSE 2020 | Question: 25
Assume that you have made a request for a web page through your web browser to a web server. Initially the browser cache is empty. Further, the browser is configured to send $\textsf{HTTP}$ requests in non-persistent mode. The web ... small images.The minimum number of $\textsf{TCP}$ connections required to display the web page completely in your browser is__________.

Arjun asked in Computer Networks Feb 12, 2020

by Arjun

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Kurose and Ross Edition 6 Exercise 2 Question P14 (Page No 174)
How does SMTP mark the end of a message body? How about HTTP? Can HTTP use the same method as SMTP to mark the end of a message body? Explain.

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

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1 answer

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Kurose and Ross Edition 6 Exercise 2 Question P13 (Page No 174)
What is the difference between MAIL FROM: in SMTP and From: in the mail message itself?

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

376 views

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7

Kurose and Ross Edition 6 Exercise 2 Question P3 (Page No 171)
Consider an HTTP client that wants to retrieve a Web document at a given URL. The IP address of the HTTP server is initially unknown. What transport and application-layer protocols besides HTTP are needed in this scenario?

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

6.3k views

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Kurose and Ross Edition 6 Exercise 2 Question P2 (Page No 171)
Read RFC 959 for FTP. List all of the client commands that are supported by the RFC.

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

444 views

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1 answer

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Kurose and Ross Edition 6 Exercise 2 Question P1 (Page No 171)
True or false? A user requests a Web page that consists of some text and three images. For this page, the client will send one request message and receive four response messages. Two distinct Web pages (for example, ... indicates when the object in the response was last modified. HTTP response messages never have an empty message body.

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

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Kurose and Ross Edition 6 Exercise 2 Question R20 (Page No 170)
Look over your received emails, and examine the header of a message sent from a user with a .edu email address. Is it possible to determine from the header the IP address of the host from which the message was sent? Do the same for a message sent from a Gmail account.

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

273 views

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11

Kurose and Ross Edition 6 Exercise 2 Question R19 (Page No 170)
Is it possible for an organization’s Web server and mail server to have exactly the same alias for a hostname (for example, $foo.com$)? What would be the type for the RR that contains the hostname of the mail server?

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

200 views

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Kurose and Ross Edition 6 Exercise 2 Question R18 (Page No 170)
From a user’s perspective, what is the difference between the download-and delete mode and the download-and-keep mode in POP3?

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

559 views

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13

Kurose and Ross Edition 6 Exercise 2 Question R17 (Page No 170)
Print out the header of an e-mail message you have recently received. How many $Received:$ header lines are there? Analyze each of the header lines in the message.

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

169 views

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14

Kurose and Ross Edition 6 Exercise 2 Question R16 (Page No 170)
Suppose Alice, with a Web-based e-mail account (such as Hotmail or Gmail), sends a message to Bob, who accesses his mail from his mail server using POP3. Discuss how the message gets from Alice’s host to Bob’s host. Be sure to list the series of application-layer protocols that are used to move the message between the two hosts.

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

708 views

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15

Kurose and Ross Edition 6 Exercise 2 Question R15 (Page No 170)
Why is it said that FTP sends control information “out-of-band”?

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

150 views

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16

Kurose and Ross Edition 6 Exercise 2 Question R13 (Page No 170)
Describe how Web caching can reduce the delay in receiving a requested object. Will Web caching reduce the delay for all objects requested by a user or for only some of the objects? Why?

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

268 views

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17

Kurose and Ross Edition 6 Exercise 2 Question R12 (Page No 169)
Consider an e-commerce site that wants to keep a purchase record for each of its customers. Describe how this can be done with cookies.

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

1.9k views

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1 answer

18

Kurose and Ross Edition 6 Exercise 2 Question R11 (Page No 169)
Why do HTTP, FTP, SMTP, and POP3 run on top of TCP rather than on UDP?

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

253 views

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19

Kurose and Ross Edition 6 Exercise 2 Question R10 (Page No 169)
What is meant by a handshaking protocol?

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

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20

Kurose and Ross Edition 6 Exercise 2 Question R8 (Page No 169)
List the four broad classes of services that a transport protocol can provide. For each of the service classes, indicate if either UDP or TCP (or both) provides such a service.

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

959 views

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21

Kurose and Ross Edition 6 Exercise 2 Question R5 (Page No 169)
What information is used by a process running on one host to identify a process running on another host?

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

234 views

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22

Kurose and Ross Edition 6 Exercise 2 Question R4 (Page No 169)
For a P2P file-sharing application, do you agree with the statement, “There is no notion of client and server sides of a communication session”? Why or why not?

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

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23

Kurose and Ross Edition 6 Exercise 2 Question R1 (Page No 169)
List five nonproprietary Internet applications and the application-layer protocols that they use.

ajaysoni1924 asked in Computer Networks Apr 10, 2019

by ajaysoni1924

142 views

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