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Question 1:
a) How is the four-way exchange employed for mutual authentication in WPA/RSN?
b) Elaborate on how inquiry attacks and traffic monitoring attacks can be used for location tracking in Bluetooth systems.
c) State the function of Wireless Transport Layer Security (WTLS). How is WTLS classified into three classes?
Question 2:
a) With a labeled diagram, explain the architecture of a GSM network. How a mobile station does authenticate itself to a serving GSM network?
b) How IEEE 802.11w will provide protection in three categories?
c) Why is the Authentication and Key Agreement (AKA) of 3GPP weak?
What is DoS? A do, or Denial-of-Service attack, is an attempt to stop users from being able to access the internet or any other network services. Such attacks might be come in
Hub A hub is a small box that connects individual devices on network so that these devices can communicate with each other. Hub is an inexpensive device. It is comm
Explain the Forward congestion avoidance process Notifies the user that congestion avoidance process should be initiated where applicable for traffic in the similar direction a
Name various types of guided and unguided transmission media. If you are connecting your office computers through a local area network which transmission media would you use? Why?
State in brief about the Graceful degradation With FDMA or TDMA, a fixed number of users can concurrently access the system. Though, with CDMA, as more user concurrently access
Consider the procedure described for estimating average delay di. Suppose that u=0.1. Let r1-t1 be the most recent sample delay, let r2 -t2 be the next most recent sample delay
Can you describe the concept of NAT
100Base-FX Utilizes two identical optical fibers in star topology One fiber holds frames from the station to hub one from hub to station Encoding is 4B/5B Si
Message passing is probably the most extensively used parallel programming paradigm today. It is the mainly natural, portable and efficient approach for distributed memory systems.
Q. Function of TCP/IP Transport Layer ? TCP/IP Transport Layer - Defines two standard transport protocols UDP and TCP - TCP equipment a dependable data-stream protocol
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