Which of the following is true about symmetric encryption?
A. It uses a secret key to encrypt and decrypt.
B. It uses a private and public key.
C. It is also known as public key encryption.
D. It requires four keys to hold a conversation.
Answer: A
Computer Science & Information Technology
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Which of the following allows a telecommunication company to test circuits to customers remotely?
A. VLAN B. Toner Probe C. RDP D. Smart Jack E. VPN
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