Which of the following is true about Message Authentication Code.
A. it uses asymmetric encryption
B. the key is sent to the receiver securely
C. is uses PKI and certificates
D. it uses a private and public key
Answer: B
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Which of the following statements is false?
a. With a BufferedOutputStream each output operation is directed to a buffer large enough to hold the data of many output operations. Transfer to the output device is performed in one large physical output operation when the buffer fills. b. With a BufferedOutputStream, a partially filled buffer can be forced out to the device at any time by invoking the stream object’s force method. c. With a BufferedInputStream, many “logical” chunks of data from a file are read as one large physical input operation into a memory buffer. d. With a BufferedInputStream, as a program requests data, it’s taken from the buffer. When the buffer is empty, the next actual physical input operation is performed.
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Referring to the figure above, what does the codereveal-sunrepresent?
A. the class value of the element to which the code applies B. the name of the keyframe animation C. the text that is animated D. the title of the animation
A precondition is a statement of what must be true for a method to perform its actions correctly.
Answer the following statement true (T) or false (F)
The ____ function call requires three arguments: an address where the first character read will be stored, the maximum number of characters to be read, and the name of the input file.
A. fgetc() B. fgets() C. fprintf() D. fscanf()