How does a cryptanalytic attack typically work?
a) It uses brute force to decrypt a message.
b) It uses a public key to determine information about the private key.
c) It exploits weak statistical trends between the key and the ciphertext to gain knowledge about the key.
d) It overloads the receiver so that legitimate messages cannot be received.
c) It exploits weak statistical trends between the key and the ciphertext to gain knowledge about the key.
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The command to prevent the termination of a background process after the user is logged off is:
a: nohup sleep 1200 b: sleep 1200 ; sort xyz c: sleep 1200 ; sort xyz & d: nohup sort xyz & e: nohup & sort xyz
When writing code, what can be nested?
a. if statements b. for statements c. both if and for statements d. neither if or for statements; only functions
A file stream, fStr, is open and attached to physical file.txt. To reset this file stream so that the file can be read again starting at the first line requires
a) “File stream fStr, reset yourself to the start of the file.” b) Calling the reset() member function using fStr as the calling object but with no argument. c) With calling object fStr call close()then call open( ) with argument “fStr”. d) Only calling the member function open() using fStr as the calling object with the “file.txt” as argument. e) None of the above. You can’t reread lines of a file that have already been read.
A word processing file exists in ________ during creation and editing
Fill in the blank(s) with correct word