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Use the web site www.serverwatch.com and other sites linked to this site to research the following information:
a. List two examples of e-mail server software other than those mentioned in class. List three to six features of each software package and include the web site of the software manufacturer.
b. Find an FTP server product that can run on a Windows XP or Windows Vista or Windows 7 PC requiring few system resources and can be used by a small business to distribute software upgrades and patches.
c. Give three examples of news servers that can access UseNet listing the features of each. Include the price and the manufacturer's web site.
Host A can send application data into link at 100Mbps but Host B can read out of its TCP receive buffer at maximum rate of 50Mbps. Explain the effect of TCP flow control.
How is end to end encryption different from other types of encryption? At what layer does it take place?
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.
Why does HTTP at the application layer uses TCP while DNS uses UDP when it passes its message packet with overhead to the Transport Layer and then hand it off to the Network Layer?
A crypto device encrypts each message into 20 bits of ciphertext.What is the entropy of the plaintext message? What is the entropy of the ciphertext message?
Use problem-solving and brainstorming skills to find a procedure to follow. Write a short report outlining what to do.
Determine the maximum value of L such that TCP sequence numbers are not exhausted? Recall that TCP sequence number filed has four bytes.
CMP provides many useful services, yet some organizations block ICMP traffic. Why should an organization block ICMP traffic?
What possible IEEE 802.11 amendments could be used for the new system? What are the pros and cons of each amendment? Choose an amendment to implement and explain your choice.
Organization owns network 200.1.1.0/24 and wants to form subnets for 4 departments. Write a possible arrangement of subnet masks to make this possible.
Illustrate how many protocols and protocol implementations are required to permit all nodes to communicate?
State the primary advantage of a deterministic local area network protocol over a nondeterministic local area network protocol.Give a real-life example of this advantage.
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