List vulnerabilities of using wep, Computer Network Security

Assignment Help:

Question:

The Wired Equivalent Privacy (WEP) standard was created in order to give wireless networks safety and security features similar to that of wired networks.

(a) List three problems caused by the absence of a key establishment protocol in WEP.

(b) The two forms of authentication provided by 802.11 are Open System Authentication (OSA) and Shared Key Authentication (SKA).

i. Differentiate between these two forms of authentication.
ii. The authentication mechanisms in 802.11 suffer from many drawbacks. Give three drawbacks of using SKA.

(c) By using an appropriate diagram, describe the standard WEP encryption process aiming to ensure confidentiality of packets during transmission.

(d) The various security vulnerabilities present in WEP lead to its failure.

i. List any three vulnerabilities of using WEP.
ii. Briefly explain how Double Encryption Attack can be performed by attackers.

iii. Even today WEP encryption is still used in some networks. Explain how to best make use of WEP in such networks.


Related Discussions:- List vulnerabilities of using wep

Wireless security tools, WIRELESS SECURITY TOOLS An organization which s...

WIRELESS SECURITY TOOLS An organization which spends its time securing wired network and leaves wireless networks to operate in any manner is opening itself up for security brea

What is authentication? explain authentication protocols, What is Authentic...

What is Authentication/confirmation?  How it is different from  the Authorization/approval?  Explain in brief different authentication protocols along with their merits and demerit

Corresponding access control matrix, Consider a computer system with three ...

Consider a computer system with three users: Alice, Bob and Cindy. Alice owns the file alicerc, and Bob and Cindy can read it. Cindy can read and write the file bobrc, which Bob ow

Implement database security, Question: (a) Describe fully with example ...

Question: (a) Describe fully with example the two access control methods available to implement database security. (b) Discuss why database statistics (meta data) provide es

Digital certificates, A Certificate presents an organization in an official...

A Certificate presents an organization in an official digital form. This is same to an electronic identity card which serves the purpose of Identifying the owner of the certificate

802.11 wireless lans and csma/ca, 802.11 WIRELESS LANs AND CSMA/CA:  ...

802.11 WIRELESS LANs AND CSMA/CA:  IEEE 802.11 is standard wireless LAN that needs radio signals at 2.4GHz. Its speed is 11Mbps. The older computers use radio signals at data

Define bridges, Bridges perform both in the data link layers and physical...

Bridges perform both in the data link layers and physical of LANs of same kind. They split a bigger network in to smaller segments. They have logic that accept them to store the

Benchmarking-information security, Benchmarking An alternative approach to...

Benchmarking An alternative approach to risk management is Benchmarking. It is process of seeking out and studying practices in other organizations which one’s own organization de

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