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Questions by ajaysoni1924
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21
Kurose and Ross Edition 6 Exercise 3 Question R1 (Page No 285)
Suppose the network layer provides the following service. The network layer in the source host accepts a segment of maximum size 1,200 bytes and a destination host address from the transport layer. The network layer then guarantees ... In your protocols, does the transport layer have to do anything in the core of the computer network?
Suppose the network layer provides the following service. The network layer in the source host accepts a segment of maximum size 1,200 bytes and a destination host addres...
630
views
asked
Apr 18, 2019
Computer Networks
computer-networks
kurose-and-ross
transport-layer
descriptive
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–
0
votes
1
answer
22
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.
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.
2.3k
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
descriptive
application-layer-protocols
application-layer
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–
0
votes
1
answer
23
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?
What is the difference between MAIL FROM: in SMTP and From: in themail message itself?
1.1k
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer-protocols
descriptive
+
–
0
votes
1
answer
24
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?
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...
12.2k
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer
application-layer-protocols
descriptive
+
–
0
votes
1
answer
25
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.
Read RFC 959 for FTP. List all of the client commands that are supported bythe RFC.
841
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer
application-layer-protocols
descriptive
+
–
2
votes
1
answer
26
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.
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 m...
13.1k
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer
application-layer-protocols
descriptive
+
–
0
votes
1
answer
27
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.
Look over your received emails, and examine the header of a message sentfrom a user with a .edu email address. Is it possible to determine from theheader the IP address o...
819
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer
application-layer-protocols
descriptive
+
–
0
votes
1
answer
28
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?
Is it possible for an organization’s Web server and mail server to have exactlythe same alias for a hostname (for example, $foo.com$)? What would be thetype for the RR ...
541
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer-protocols
application-layer
descriptive
+
–
0
votes
1
answer
29
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?
From a user’s perspective, what is the difference between the download-and delete mode and the download-and-keep mode in POP3?
1.5k
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer-protocols
application-layer
descriptive
+
–
0
votes
0
answers
30
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.
Print out the header of an e-mail message you have recently received. Howmany $Received:$ header lines are there? Analyze each of the header linesin the message.
332
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer-protocols
application-layer
descriptive
+
–
0
votes
1
answer
31
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.
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 ...
2.1k
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer-protocols
descriptive
+
–
0
votes
0
answers
32
Kurose and Ross Edition 6 Exercise 2 Question R15 (Page No 170)
Why is it said that FTP sends control information “out-of-band”?
Why is it said that FTP sends control information “out-of-band”?
304
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer-protocols
descriptive
+
–
0
votes
0
answers
33
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?
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 t...
590
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer-protocols
descriptive
+
–
0
votes
1
answer
34
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.
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.
3.9k
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer
application-layer-protocols
descriptive
+
–
0
votes
1
answer
35
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?
Why do HTTP, FTP, SMTP, and POP3 run on top of TCP rather than on UDP?
430
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer
application-layer-protocols
descriptive
+
–
0
votes
0
answers
36
Kurose and Ross Edition 6 Exercise 2 Question R10 (Page No 169)
What is meant by a handshaking protocol?
What is meant by a handshaking protocol?
229
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer
application-layer-protocols
descriptive
+
–
0
votes
1
answer
37
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.
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 se...
2.1k
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
tcp
udp
application-layer-protocols
descriptive
+
–
0
votes
1
answer
38
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?
What information is used by a process running on one host to identify a process running on another host?
343
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer-protocols
descriptive
+
–
0
votes
0
answers
39
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?
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?
283
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer
application-layer-protocols
descriptive
+
–
0
votes
1
answer
40
Kurose and Ross Edition 6 Exercise 2 Question R3 (Page No 169)
For a communication session between a pair of processes, which process is the client and which is the server?
For a communication session between a pair of processes, which process is the client and which is the server?
409
views
asked
Apr 10, 2019
Computer Networks
computer-networks
kurose-and-ross
application-layer
descriptive
+
–
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