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

Explain the basic network topologies, Question: (i) ‘Implementation' is...

Question: (i) ‘Implementation' is a critical stage of the Systems Development Life Cycle. Show the four approaches which are commonly used to implement information systems in

Collision, COLLISION: The receiver can get simultaneous requests, which gi...

COLLISION: The receiver can get simultaneous requests, which gives in collision at receivers and both service lost and in this way no transmitter accepts reservations and both use

Cracking the Vigenere Cipher, The following message was enciphered with a V...

The following message was enciphered with a Vigenère cipher. aikiaawgfspxeppvjabjnivulfznzvkrlidamsmyamlvskniyffdpbwtnxsvvbtnamvltsefoeycztkomylmerkwrs deusjgecmzkwvnreeyp

Explain the security service - confidentiality, Question: (a) Explain t...

Question: (a) Explain the following security services: Confidentiality, Availability. (b) Which attack will be used to bypass even the best physical and logical security m

What are the ethical issues and implications, An injunction to 'think ethic...

An injunction to 'think ethically' about a situation is not helpful. Perhaps if one has a background in moral philosophy this would work, but usually both students and IT professio

CS, Discuss how developers should apply the following countermeasures to im...

Discuss how developers should apply the following countermeasures to improve the security of their code:

Lan topologies, Network can be distinguished by shape. According to which t...

Network can be distinguished by shape. According to which there are three most popular methodologies, which are shown as follows; Star Ring Bus

Describe the two possible configurations for 3des, QUESTION (a) Describ...

QUESTION (a) Describe the two possible configurations for 3DES (b) What is the main disadvantage of 3DES? (c) Why are most modern symmetric algorithm block ciphers? (d

Illustrate the term file carving, QUESTION (a) Illustrate the term fil...

QUESTION (a) Illustrate the term file carving. (b) What are the basic three main techniques for image steganography? (c) Distinguish between vector graphics and raster

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