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Answer the following questions:
1. List the three fundamental security properties and for each give an example of a failure.
2. If the useful life of DES was about 20 years (1977-1999), how long do you predict the useful life of AES to be? Justify your answer.
3. Security decision making should be based on rational thinking and sound judgement. In this context critique five security design principles with suitable examples.
4. The HTTP protocol is by definition stateless, meaning that it has no mechanism for "remembering" data from one interaction to the next. (a) Suggest a means by which you can preserve state between two HTTP calls. For example, you may send the user a page of books and prices matching a user's query, and you want to avoid having to look up the price of each book again once the user chooses one to purchase. (b) Suggest a means by which you can preserve some notion of state between two web accesses many days apart. For example, the user may prefer prices quoted in euros instead of dollars, and you want to present prices in the preferred currency next time without asking the user.
5. Why is a firewall a good place to implement a VPN? Why not implement it at the actual server(s) being accessed?
Storage Area Networks (SAN) and Network Attached Storage (NAS) each give high capacity file storage. For the following list, indicate whether the list item is more characteristic of a SAN or a NAS configuration.
Propose a detailed plan that focuses on password policies and authentication methods to protect the project from becoming public during the research and development phase.
suppose that the security model is required for protection of your class. Using CNSS model, examine each of the cells and write a short statement.
Implement the cipher as a class which implements the provided interface.
How has honeypots been used in the field of national security?
phase 1 communication between Alice and Bob. Suppose the raw keys consist of k bits each. What is the expected number of bits on which Alice's and Bob's raw keys agree? Explain your answer.
Mini Case: Cisco Systems
Use whois at Network Solutions, netsol.com and/or whois.arin.net to find contact information and DNS servers for one organization. Also find the IP address range for their network. Print your results.
a). What is the decryption function, b). What is the decrypted plaintext? c). What are some weaknesses of this cipher?
What are the benefits of virtualization of servers? Short answer - Need at least 4 benefits. Also define a virtual server.
Organization that severely lacks in appreciating the need for security or a company that depends on equipment that is outdated and services from contractors that are low quality? Why?
Should an organization's anti-virus policy specify that anti-virus applications will be configured to quarantine infected files instead of deleting them automatically? Why or why not?
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