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Chapter 7
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[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],requesting host surf.eurecom.fr gaia.cs.umass.edu root name server authoritative name server dns.umass.edu 1 2 3 4 5 6 local name server dns.eurecom.fr
[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],user mailbox outgoing  message queue mail server user agent user agent user agent mail server user agent user agent mail server user agent SMTP SMTP SMTP
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],mail server user agent user agent user agent mail server user agent user agent mail server user agent SMTP SMTP SMTP
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],header body blank line
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],SMTP access protocol receiver’s mail  server user agent sender’s mail  server user agent SMTP
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],file transfer local file system remote file system user  at host FTP server FTP user interface FTP client
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
(a)  Sending and reading mail when the receiver has a permanent Internet connection and the user agent runs on the same machine as the message transfer agent.  (b)  Reading e-mail when the receiver has a dial-up connection to an ISP.
[object Object]
[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object],[object Object]
[object Object]
[object Object]
[object Object],(b)
[object Object]
[object Object],[object Object]
[object Object],[object Object],(b)
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
(a)  A Web page containing a form.  (b)  A PHP script for handling the output of the form.  (c)  Output from the PHP script when the inputs are "Barbara" and 24 respectively.
[object Object]
[object Object],[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object]
[object Object],[object Object]
[object Object]
When packets carry alternate samples, the loss of a packet reduces the temporal resolution rather than creating a gap in time.
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
[object Object]
 
[object Object]
[object Object]
[object Object],[object Object]
[object Object],[object Object],(a) (b)
[object Object]
[object Object]
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[object Object]
[object Object]
[object Object]
[object Object]
[object Object]

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Jaimin chp-7 - application layer- 2011 batch

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  • 31.
  • 32.
  • 33.
  • 34. (a) Sending and reading mail when the receiver has a permanent Internet connection and the user agent runs on the same machine as the message transfer agent. (b) Reading e-mail when the receiver has a dial-up connection to an ISP.
  • 35.
  • 36.
  • 37.
  • 38.
  • 39.
  • 40.
  • 41.
  • 42.
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  • 46.
  • 47.
  • 48.
  • 49.
  • 50.
  • 51.
  • 52.
  • 53.
  • 54.
  • 55. (a) A Web page containing a form. (b) A PHP script for handling the output of the form. (c) Output from the PHP script when the inputs are "Barbara" and 24 respectively.
  • 56.
  • 57.
  • 58.
  • 59.
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  • 74.
  • 75.
  • 76.
  • 77.
  • 78.
  • 79.
  • 80.
  • 81.
  • 82. When packets carry alternate samples, the loss of a packet reduces the temporal resolution rather than creating a gap in time.
  • 83.
  • 84.
  • 85.
  • 86.
  • 87.
  • 88.
  • 89.
  • 90.
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