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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 rate of 2Mbps and 900MHz. Bluetooth specifies a wireless LAN for short places. It needs shared medium and radio signals instead of coaxial cable.
LIMITED CONNECTIVITY WITH WIRELESS:
In contrast with wired LANs, not all methods can be able to reach each other.Because:
This is given in the figure below:
Consider the details of the X.509 certificate shown below. a. Identify the key elements in this certificate, including the owner''s name and public key, its validity dates, the nam
a) Explain the contents of the Cost Assessment. b) Various Documents are needed for Configuration Management. State three of them, and describe their importance. c) Given tha
LOG FILE MONITORS Log file monitor (LFM) is similar to NIDS. It reviews log files generated by servers, network devices, and even other IDSs for patterns and signatures. Pattern
Detect each visit to www.google.com that is made by the machine. o Send an alert when an activity relating to network chat is detected. o Send an alert when an attempt is made for
Project Name : Computer Adaptive Test Role : Day to Day interaction with Client. Involved in Requirement Gathering, Estimation.Involved with Stellent design and architectur
Discuss how developers should apply the following countermeasures to improve the security of their code:
(a) Describe the concept of zero knowledge proofs. Give a practical example. (b) Explain how a one way hash function works. (c) What are message authentication codes? (d)
Information and Network Security Part 1- Recovery of an encrypted `word' using a forward search attack. Complete and correct summary for part 1. Adequately commented, clea
ROUTING TABLE For efficiency, information about forwarding is saved in a routing table, which is started at system initialization and must be updated as network topology modif
There are various benefits related with providing the security. They are given below, (i) Confidentiality/ Privacy (ii) Integrity (iii) Availability (iv)Authenticatio
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