Symmetric key cryptography uses which of the following?
A. One secret key
B. Two public keys
C. Two private keys
D. One public and one private key
Answer: A
Explanation: Symmetric encryption, also called private or secret key encryption, uses one key to encrypt and decrypt data.
Computer Science & Information Technology
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When a base class is inherited as _________, only one subobject of the base class will appear in the derived class.
Fill in the blank(s) with the appropriate word(s).
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It's generally best to reference multiple video files, each specifying the same video but in different ____ formats, to accommodate the potential range of your users' browser capabilities.
A. encoding B. container C. Both A and B. D. Neither A nor B.
Computer Science & Information Technology