A __________ is a technique for enhancing the effect of a cryptographic algorithm or adapting the algorithm for an application, such as applying a block cipher to a sequence of data blocks or a data stream.
Fill in the blank(s) with the appropriate word(s).
mode of operation
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A(n) __________ is thrown when a server address indicated by a client cannot be resolved.
a. ConnectException. b. ServerException. c. MalformedURLException. d. UnknownHostException.
Which of the following statements are true?
a. ObjectInputStream/ObjectOutputStream enables you to perform I/O for objects in addition for primitive type values and strings. b. Since ObjectInputStream/ObjectOutputStream contains all the functions of DataInputStream/DataOutputStream, you can replace DataInputStream/DataOutputStream completely by ObjectInputStream/ObjectOutputStream. c. To write an object, the object must be serializable. d. The Serializable interface does not contain any methods. So it is a mark interface. e. If all the elements in an array is serializable, the array is serializable too.
When you add a control to only one of these sections, the Form Header and Form Footer sections are added to the form ____.
A. individually B. as a pair C. either a. or b. D. neither a. nor b.
The statement: return 2 * 3 + 1, 1 + 5; returns the value ____.
A. 2 B. 3 C. 6 D. 7