Does a PKI perform encryption? Explain your answer.
What will be an ideal response?
While a PKI takes advantage of asymmetric encryption algorithms to sign information, it does not actually encode the information to hide its meaning, so it does not perform encryption.
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For what exact range of values of variable x does the following code segment display the letter 'C'?
``` if (x <= 200) if (x < 100) if (x <= 0) printf("A\n"); else printf("B\n"); else printf("C\n"); else printf("D\n"); ``` a. 0 < x < 100 b. x <= 0 c. 100 <= x <= 200 d. x > 200 e. 100 < x <= 200
Which of the following tasks is performed during backup?
A. ?Making a duplicate copy of only certain selected files B. ?Deleting files that are not duplicated C. ?Transferring all files in a computer to a remote server D. ?Rolling back a system to retrieve files as saved on a previous date
Diffie-Hellman key exchange uses asymmetric encryption to exchange session keys. _________________________
Answer the following statement true (T) or false (F)
Which of the following options is not a subfunction of extraction??
A. ?logical data copy B. ?decrypting C. ?bookmarking D. ?carving