____ ensure(s) the integrity of a message sent between two parties who are unknown to each other.
A. 3DES-EDE
B. Digital signatures
C. Symmetric encryption
D. Block ciphers
Answer: B
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Answer the following statements true (T) or false (F)
1. The read command is used to read input from the keyboard. 2. The special variable $0 holds the user ID of the user. 3. The shell program options v and x are used for debugging the shell scripts. 4. There are 10 special (positional) variables, named 1 to 10. 5. The test command is a shell built in command that evaluates its argument and returns true or false.
What services does a tunnel broker normally provide?
What will be an ideal response?
A laptop LCD screen needs to be replaced. Which of the following tools would be BEST used to open the case?
A. Flathead screwdriver B. Plastic shim C. Metal shim D. Pliers
Explain input controls.
What will be an ideal response?