Http protocol, Computer Network Security

Assignment Help:

Question

(a) Name 3 popular electronic mail access protocols?

(b)

i. What is DNS?

ii. Briefly, describe what it does and how it works?

iii. Why does DNS use a distributed approach as opposed to a single server?

(c) HTTP supports both non-persistent and persistent connections.

i. Describe each type of connection and state which HTTP protocol version supports each type?

ii. How and where is the type of connection specified in the HTTP protocol?

(d) Assume that a new application layer protocol is developed for video conferencing application. Which transport layer protocol do you think will be used and why?

(e) FTP is said to have an "out-of-band" connection. Explain what it means?


Related Discussions:- Http protocol

Mobile wireless networks , Is standard TCP effective in mobile wireless net...

Is standard TCP effective in mobile wireless networks that operate with the IEEE 802.11 wireless local area network protocol?Discuss the issue

Symmetric encryption-cryptography, Symmetric Encryption This encryption ...

Symmetric Encryption This encryption method makes use of same “secret key” to encipher and decipher the message and it is termed as private key encryption. This type of encrypti

Ip datagrams, on LAN,where are IP datagrams transported?

on LAN,where are IP datagrams transported?

Improving domain blacklisting - spam mail, Improving domain blacklisting: ...

Improving domain blacklisting: Current domain blacklisting techniques are not very effective as spammers keep replacing blacklisted domains with newly registered domains. Also

Major difference between a virus and a worm, Question: (a) State wheth...

Question: (a) State whether the following statements are TRUE or FALSE. Justify your answer. i. A good site security policy will require that users use computer generated p

Explain the close procurement project process, Question 1: Why do we ne...

Question 1: Why do we need a Law of Contract? a Explanation Reasons to have a law of contract b Explain the close procurement project process - Explanation (causes,

Determine the round trip time, QUESTION a) Determine the RTT (round tr...

QUESTION a) Determine the RTT (round trip time) between a client requesting a web page of 1024 bytes in size from an internal web server on a 100 Base-T Ethernet. Consider a o

Network management system, Question (a) Draw a typical hybrid star-rin...

Question (a) Draw a typical hybrid star-ring topology paying attention to how the clients and switching hubs are connected. (b) State 3 main differences between a router

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd