Answer the following statements true (T) or false (F)
1. Some sort of mechanism or protocol is needed to provide for the secure distribution of keys.
2. A public-key certificate scheme alone does not provide the necessary security to authenticate the public key.
3. For symmetric encryption to work the two parties to an exchange must share the same key and that key must be protected from access by others.
4. X.509 defines the format for private-key certificates.
5. The topics of cryptographic key management and cryptographic key distribution are complex, involving cryptographic, protocol, and management considerations.
1. TRUE
2. FALSE
3. TRUE
4. FALSE
5. TRUE
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A telephone microphone converts analog sound into electrical waveforms that cycle 2400 times a second. Each cycle is a(n) _______________.
Fill in the blank(s) with the appropriate word(s).