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1. Choose all the necessary and suitable MAC address, IP address for interfaces and port addresses implied by the above description. State clearly in your submission the choices you have made for these addresses.! Do not give the addresses in binary but in the X.X.X.X decimal format for the IP addresses, the hexadecimal format for MAC addresses and decimal numbers for the port numbers.!
2. For the delivery of the message from Computer A to Computer B, for each step along the way show the source and destination!a. MAC addresses!b. IP addresses!c. Port addresses!
Making it clear which is the source and which is the destination, in what packet or frame these addresses appear (IP, TCP, Ethernet) and what the order of encapsulation is.!
3. The same as number 2, but for the reply from computer B to computer A!
4. These messages are sensitive. What security vulnerabilities and threats can you see?
What measures would you put in place to remove or minimize the vulnerabilities?!
In Lamport'so mutual exclusion protocol, if process i is implementing critical section, Is this still true when there are no messages in transit?
In the meantime, CEO of the first company transmits e-mail to CEO of second company in order to provide a couple suggestions related to the joint venture. Explain whether this scenario follow OSI model? Describe it in detail.
Which kind of security drill do you believe is the most typical in an organization? Which type of security drill do you believe is the most effective? Why?
Explain to your team the differences between routers and switches. Compare them and list the pros and cons of using each type of hardware.
List as many ways as possible to interconnect the three computers so that they could operate on one local area network.
Find five companies that provide P2P file-sharing services. For each company, what kind of files (that is, content) do they handle
Use the Internet to identify at least two software change management products. Contrast their features and costs.
Prepare a network simulation
Business processes and needs ultimately drive the type of cable media and hardware you select. What factors might determine how we select which ones are appropriate for our organization?
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?
Assume that four events need 35,20,10, and x me=sec of CPU time, respectively. Dtermine the largest value of x for which system is schedulable?
Show that F-function of DES is not reversible and explain how a Feistelcipher whose main component is not reversible can actually support decryption.
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