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Q1. Distinguish between packet switching and circuit switching: Give three advantages and three disadvantages of each one.
Q2. Discuss four advantages of layering as seen in the TCP/IP architecture.
Q3. Large files sent over the network must be broken up into smaller packets. How does the IP layer keep the packets from getting misplaced or collected out of order?
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Describe the role of computer forensics and security in the organizations. Explain the roles of computer forensics expert and computer security expert.
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?
The security manager is to estimate principal physical characteristics used for biometric user authentication, concepts of enrollment.
It has already decided to use the Windows Server 2003 network operating system. What type of LAN will your team design for this company?
Create a state transition diagram that describes typical patient states and how they change based on specific actions and events.
You wish to configure all the computers except SUS server to automatically connect to SUS server each morning at 7 A.M. to download and install new updates. Which of the given steps must you take to accomplish this goal?
Find out how many users a cell can support for a 5% call---blocking rate. Assume that each user produces 35mE of load in the busy hour.
Suppose that the links and routers in the network never fail and that routing paths used between all source/destination pairs remains constant. In this scenario, does a VC or datagram architecture have more traffic overhead. Why?
Be sure to allow for spaces and punctuation between words. How long would it take to transmit the text over a T-1 line at 1.544Mbps and a fibre optic link at 2.488Gbps?
After reading about attacks on servers like to ones used in one of company's departments, the CIO has asked you to come up with a report as to what.
Which type of network provides customers with limited access to corporate data such as inventory, parts lists, and orders?
The following are the four main wireless technologies used to access various network resources: Radio wave, Infrared. Explain three advantages and three disadvantages of each of these wireless technologies.
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