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Computer System Security 7th Week Solution is given below.
Q:1. Which of the following is not a level of access control on UNIX systems?
- (a) User
- (b) Administrator
- (c) Group
- (d) Other
Answer (b) Administrator
Q:2. Which of the following permission types a UNIX file can be assigned?
1. Read
2. Write
3. Execute
4. All of the above
Answer(4) All of the above
Q:3. Which of the following information is contained in the access tokens?
1. The security identifier (SID) for the user’s account
2. A list of the privileges held by either the user or the user’s groups
3. The SID for the primary group
4. All of the above
Answer(4) All of the above
Q:4. An access token that has been created to capture the security information of a client process, allowing a server to “impersonate” the client process in security operations.
1. Primary Token
2. Process Token
3. Personalized Token
4. Impersonation Token
Answer(4) Impersonation Token
Q:5. Which of the following is not a common password myth?
1. The best length of password is 8 characters
2. Replacing characters with numbers is good (e.g. J0hn_Sm1th)
3. Passwords can include spaces
4. None of the above
Answer(3) Passwords can include spaces
Q:6. Which of the following is one of the technically simplest processes of gaining access to any password-protected system?
1. Clickjacking
2. Brute force attack
3. Eavesdropping
4. Waterhole
Answer(2) Brute force attack
Q:7. A _______________ is a process of breaking a password protected system or server by simply & automatically entering every word in a dictionary as a password.
1. Dictionary attack
2. Phishing attack
3. Social engineering attack
4. MiTM attack
Answer(1) Dictionary attack
Q:8. Brute force attack is usually ______________
1. fast
2. inefficient
3. slow
4. complex to understand
Answer(3) slow
Q:9. Which of the following is not an advantage of dictionary attack?
1. Very fast
2. Time-saving
3. Easy to perform
4. Very tough and inefficient
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Answer(4) Very tough and inefficient
Q:10. Which of the following is a vulnerability in web browser?
1. Cross Site Scripting
2. Implementation bugs
3. Both A and B
4. Buffer overflow
Answer(3) Both A and B
Q:11. The _______ is an object in web browser.
1. Frames
2. DOM
3. Cookies
4. All of the above
Answer(4) All of the above
Q:12. Which of the following is not a component of security policy?
1. Frame – Frame relationships
2. Frame – principal relationships
3. Principal – Principal relationships
4. None of the above
Answer(3) Principal – Principal relationships
Q:13. Chromium browser has the module ________ in separate protection domains
1. Rendering engine
2. Browser kernel
3. Browser process
4. Both A and B
Answer(4) Both A and B
Q:14. Which of the following is not a task assigned to browser kernel?
1. HTML parsing
2. Window management
3. Password database
4. Download manager
Answer(1) HTML parsing
Q:15. The percentage of phishing in sampling of 2015 security incidents is ______.
1. 8.9%
2. 4.9%
3. 2.9%
4. 0.9%
Answer(3) 2.9%
Computer System Security 7th Week Solution is given below. the solution of Computer System Security 7rd Week Solution and all the answers are correct.
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