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.
1. TRUE
2. FALSE
3. FALSE
4. TRUE
5. TRUE
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Which of the following statements is false?
a. some operators cannot be overloaded b. the precedence of an operator cannot be changed c. the arity of an operator cannot be changed d. only existing operators can be overloaded e. binary operators can be overloaded only if both operands have the same type.
All of the following are input elements except
a. print b. radio button c. text box d. command button
What does the following fragment of code display? What do you think the programmer intended the code to do, and how would you fix it?
``` int product = 1; int max = 20; for (int i = 0; i <= max; i++) product = product * i; System.out.println(“The product is “ + product); ```
Ginger wants to ensure that none of the original data in the image for the Web site is thrown out. Which of the following image file formats could she use?
a. only GIF b. only PNG c. only JPEG d. either GIF or PNG