SE 571 ENTIRE COURSE PRINCIPLES OF INFORMATION SECURITY AND PRIVACY

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SE 571 ENTIRE COURSE PRINCIPLES OF INFORMATION SECURITY AND PRIVACY

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SE 571 Entire Course Principles of Information Security and Privacy

SE571

SE 571 Full Course Principles of Information Security and Privacy

SE 571 Week 1 DQ1 Vulnerabilities of Your Systems

SE 571 Week 1 DQ2 Threats against Your Systems

SE 571 Week 2 DQ1 Security Issues in Telecommunications

SE 571 Week 2 DQ2 What Access Controls Are in Use

SE 571 Week 3 DQ1 Cryptographic Products

SE 571 Week 3 DQ2 Cryptographic Standards

SE 571 Week 4 DQ1 Network Services

SE 571 Week4 DQ2 Security Architecture

SE 571 Midterm Exam Principles of Information Security and privacy

Question 1. (TCO A) What are the three goals of security in computing? For each goal, list two controls that can be implemented to help achieve that goal.

Question 2. (TCO A) List and define five desirable qualities in a process designed to evaluate the trustworthiness of an operating system

Question 3. (TCO B) Suppose you have a high capacity network connection coming into your home, and you also have a wireless network access point. Also suppose you do not use the full capacity of your network connection. List three reasons you might still want to prevent an outsider obtaining free network access by intruding into your wireless network

Question 4. (TCO C) Explain how a hashing algorithm works and how it can be used to provide authentication and data integrity

Question 5. (TCO B) Which of the following is a correct statement?

Question 6. (TCO A) What are the three types of user authentication? Name three examples of each type of authentication.

Question 7. (TCO C) Respond to each part of this question:

  1. a) Describe how a long number (encryption key) can be shared between sender and receiver without using any source that is obvious to outsiders and without directly sending the number from sender and receiver.
  2. b) Describe how a long number (encryption key) can be shared between sender and receiver over an unsecured network without loss of confidentiality.

Question 8. (TCO A) May a database contain two identical records without a negative effect on the integrity of the database? Why or why not?

Question 9. (TCO B) It’s been said that firewalls are dead. Some think that, because of the prevalence of application-layer attacks, packet filtering firewalls are of no real use in protecting networks. Name three advantages of using packet filtering firewalls in modern networks.

SE 571 Final Exam Principles of Information Security and Privacy

Question 1. (TCO A) You are responsible for developing a security evaluation process that can be used to assess various operating systems both during and after development. List the five most desirable qualities your evaluation process should have and explain why they are important. (Be sure to address qualities of the evaluation process, not specific metrics for assessment of operating systems.) (Points: 40)

Question 2. (TCO B) The Open Systems Interconnection model is inherently inefficient. On the source host, each layer must take the work of higher layers, add some result, and pass the work to lower layers. On the destination host, each layer must process these results from lower layers and pass the appropriate information to upper layers. Surely this wrapping and unwrapping process is inefficient. Assess the security advantage of this layered approach. (Points: 40)

Question 3. (TCO C) Why is a firewall usually a good place to terminate a Virtual Private Network (VPN) connection from a remote user? Why not terminate the VPN connection at the actual servers being accessed? Under what circumstances would VPN termination at the server be a good idea? (Points: 40)

Question 4. (TCO D) A computer programmer has been arraigned for a computer crime. She is suspected of having accessed system files on a public Web server. The programmer’s attorney argues that his client was only trying to determine if the website was secure and that no harm was done to the Web server or its system files. The programmer’s attorney also argues that it is possible that the log files that show that his client accessed system files were tampered with. The attorney claims that the Web server was made accessible to the public anyway so that there was no violation of the law and that the arraignment against her client should be thrown out. You’re the judge. What is your analysis of these arguments? (Points: 40)

Question 5. (TCO E) After reading about attacks on servers similar to the ones used in one of your company’s departments, the CIO has asked you to come up with a report as to what, if any, steps should be taken with your servers. List and describe the steps you would need to take in order to complete a detailed report. (Points: 40)

Question 6. (TCO F) In the U.S., laws are enforced by police agencies and the courts. What are ethics and who enforces them? (Points: 40)

Question 7. (TCO H) Some IT department policies are designed to prevent behaviors by IT staff. While some depend upon the employee voluntarily complying with the policy (for example: do not reveal technical information to outside parties), others are enforced technically (for example, authentication required for system access). What is an example of a policy that technically enforces ethical behavior by IT staff? Provide policy wording for your example. (Points: 40)

True False Questions

Question 8. (TCO G) Which of the following statements is true? (Points: 20)

(1) From a legal point of view, it is easier to return software to a store because it doesn’t meet your needs than it is to do so because the software is of poor quality

(2) If a programmer is, i) supervised in his work, ii) subject to being fired by his employer, iii) directed in his work by his employer, and iv) under contract for the work he is doing, it is most likely true that the programmer is considered the author of the work he has produced

(3) A civil judge cannot find that a plaintiff has been harmed and hold a defendant liable if the defendant has violated no written law

(4) It is easier to prove guilt in a criminal case than it is in a civil case