SEC 571 Week 4 Midterm Grading Summary - Grading Summary...

Info icon This preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Grading Summary These are the automatically computed results of your exam. Grades for essay questions, and comments from your instructor, are in the "Details" section below. Date Taken: 5/21/2017 Time Spent: 1 h , 44 min , 41 secs Points Received: 100 / 100 (100%) Question Type: # Of Questions: # Correct: Multiple Choice 1 1 Essay 4 N/A Grade Details - All Questions Question 1. Question : (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. Student Answer: 1-Confidentiality -Identity management: A password control can be implemented to achieve this goal -Physical security: A building access control can be implemented to achieve this goal 2-Integrity -Data security: Cryptography can be implemented to achieve this goal -Access control: A network authentication service can be implemented to achieve this goal 3-Availability -Network management: Auditing of privilege use can be implemented to achieve this goal -Software: Auditability can be implemented to achieve this goal (Pfleeger Ch 1, pp. 10–12) Instructor Explanation: (Pfleeger Ch 1, pp. 10–12) Data Integrity - digital signatures, hashing, code review to detect covert channels Data Confidentiality - encryption, access control lists, physical security Data Availability - RAID, redundant components (power supply, fan), server clusters Points Received: 23 of 23 Comments: Question 2. Question : (TCO A) May a database contain two identical records without a negative effect on the integrity of the database? Why or why not?
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Student Answer: It depends on whether the database semantics allow duplicates. The database might be a list of all transactions for a store, in which case it would be very possible for two people to purchase the same item, causing duplicate records. A query of the form "How many transactions were there of exactly $2.00?" implies the possibility of duplicate records. However, if the database meaning precludes
Image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern