Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Chapter 2, Problem R17RQ

Explanation of Solution

Header of received message:

An example of a received message is mentioned below:

Received:

from 95.45.239.128 (EHLO bay7-omc9-s8.bay7.gmail.com) (95.45.239.128) by hollyholmes.mail.mud.yahoo.com with SMTP; Sat, 14 July 2018 11:00:00 -0700

Received:

from gmail.com ([95.55.135.136]) by bay7-omc9-s8.bay7.gmail.com with Microsoft SMTPSVC(5.0.37909.2698); Sat, 14 July 2018 10:59:42 -0700

Received: from 95.55.135.123 by by131fd.bay131.hotmail.msn.com with HTTP; Sat, 14 July 2018 10:57:36 GMT From: "Narula dhawan" Naruladhawan@hotmail.com

To: narula@yahoo.com

Bcc:

Subject: Testing mail

Date: Sat, 14 July 2018 11:14:36 +0000 Mime-Version: 1.0

Content-Type: Text/html; format=flowed

Return-Path: Naruladhawan@hotmail.com

Figure: A sample mail message header

Analyzing headers in the example of received message:

Received: This header field indicates the sequence in which the SMTP servers send and receive the mail message including the respective timestamps...

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Chapter 2, Problem R16RQ
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Chapter 2 Solutions

Computer Networking: A Top-Down Approach (7th Edition)

Ch. 2 - List five nonproprietary Internet applications and...Ch. 2 - Prob. R2RQCh. 2 - Prob. R3RQCh. 2 - Prob. R4RQCh. 2 - Prob. R5RQCh. 2 - Prob. R6RQCh. 2 - Prob. R7RQCh. 2 - Prob. R8RQCh. 2 - Prob. R9RQCh. 2 - Prob. R10RQ
Ch. 2 - Why do HTTP, SMTP, and POP3 run on top of TCP...Ch. 2 - Prob. R12RQCh. 2 - Prob. R13RQCh. 2 - Prob. R14RQCh. 2 - Prob. R15RQCh. 2 - Prob. R16RQCh. 2 - Prob. R17RQCh. 2 - From a users perspective, what is the difference...Ch. 2 - Prob. R19RQCh. 2 - Prob. R20RQCh. 2 - Prob. R21RQCh. 2 - Prob. R22RQCh. 2 - Prob. R23RQCh. 2 - Prob. R24RQCh. 2 - Prob. R25RQCh. 2 - In Section 2.7, the UDP server described needed...Ch. 2 - Prob. R27RQCh. 2 - Prob. P1PCh. 2 - Prob. P2PCh. 2 - Prob. P3PCh. 2 - Prob. P4PCh. 2 - Prob. P5PCh. 2 - Prob. P6PCh. 2 - Prob. P7PCh. 2 - Prob. P8PCh. 2 - Prob. P9PCh. 2 - Prob. P10PCh. 2 - Prob. P11PCh. 2 - Prob. P13PCh. 2 - Prob. P14PCh. 2 - Prob. P15PCh. 2 - Prob. P16PCh. 2 - Prob. P17PCh. 2 - Suppose you can access the caches in the local DNS...Ch. 2 - Prob. P21PCh. 2 - Prob. P22PCh. 2 - Prob. P23PCh. 2 - Prob. P25PCh. 2 - Prob. P26PCh. 2 - Prob. P27PCh. 2 - Prob. P28PCh. 2 - Prob. P29PCh. 2 - Prob. P30PCh. 2 - Prob. P31PCh. 2 - Prob. P32P
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