Case-Based Critical Thinking QuestionsCase 15-2Samuel loves to shop online because it allows him to easily compare prices at different retailers and read reviews from other buyers before buying a product. However, Samuel is also concerned about protecting his personal information.
To further protect his privacy, Samuel has decided to ____ from certain companies by instructing those companies to not to share his personal information with third parties.
A. opt out
B. disengage
C. build filters
D. block contact
Answer: A
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Which of the following statements is true?
a. The code in a finally block is executed only if an exception occurs. b. The code in a finally block is executed only if an exception does not occur. c. The code in a finally block is executed only if there are no catch blocks. d. None of the above are true.
All of the following are methods of the ArrayList class except:
a. clear() b. resize() c. contains() d. trimToSize()
The CNN website contains two ____________________ feeds that allow people to view top stories and recent stories in one convenient location.
Fill in the blank(s) with the appropriate word(s).
Answer the following statements true (T) or false (F)
1. Kerberos provides a trusted third party authentication service that enables clients and servers to establish authenticated communication. 2. Examples of dynamic biometrics include recognition by fingerprint, retina, and face. 3. User authentication is the means by which a user provides a claimed identity to the system. 4. Identity federation is in essence an extension of identity management to multiple security domains. 5. User authentication is the basis for most types of access control and for user accountability.