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You are the Network Manager for a large bank. You have been asked to investigate having employees connect using wireless and not cables. What measures would you take to insure security? Would you be in favor or against such an action?
As security manager at XYZ Corporation, you are responsible for managing intrusion detection environment. If you were given the ability to build the environment from scratch, would you use network based IDS, host based IDS, or a combination?
Explain role of antennas in transmitting radio waves. What kind of antenna is typically used in wireless LAN?
Explain these generic and VoIP specific issues. What are the risks? How are these threats being addressed? What can you do as a manager?
Determine the minimum required bandwidth for the baseband transmission of an 8-level PAM pulse sequence having a data rate, Rb, of 9600 bps.
Specify your protocol by listing the different messages that will be used by your application layer protocol. You must clearly specify the contents of each message by providing the message structure.
Packet switch receives a packet and determines outbound link to which packet should be forwarded. Determine the queuing delay for packet? Show work.
A consulting firm has narrowed the choice of programming language to Java and C#. Which language do you think would be more appropriate for this application and why?
Suppose a BGPv4 router receives update for prefix P which indicates AS1 is next hop.
In second strategy, packets are not acknowledged individually, but the whole file is acknowledged when it arrives. Explain the two approaches.
Consider the following method for congestion control in a error-free virtual circuit subnet.
Consider error-free 256 kbps satellite channel used to send 1024-byte data frames. What is smallest window size that is large enough to optimize the throughput?
Explain client/server architecture, including fat and thin clients, middleware and client/server tiers. Make use of Visio to prepare architecture diagrams that enhance your explanation.
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