Exam 6: Public Key Infrastructure

A) Make copies of the private key and keep it in several locations for redundancy.
B) The lifetime of the key should correspond with how often it is used and the sensitivity of the data it is protecting.
C) The key should be changed at the end of its lifetime and not used past its allowed lifetime.
D) The key should be properly destroyed at the end of its lifetime.

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A) Centralized infrastructure
B) Decentralized infrastructure
C) Hybrid infrastructure
D) Peer-to-peer infrastructure

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A) A structure that enables parties to use communications such as e-mail
B) A structure that provides all of the components needed for entities to communicate securely and in a predictable manner
C) A structure that enables secure communications in chat rooms,and when instant messaging and text messaging
D) Is another name for digital signatures

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A) Key recovery
B) Key escrow
C) Key archiving system
D) Private key protection

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A) Hybrid
B) Star
C) Peer-to-peer
D) Hierarchical

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Registrati...

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A) You can be sure of the certificate's validity indefinitely.
B) You can be sure of the certificate's validity until the expiration date.
C) You cannot be sure of the certificate's validity and must check the CRL each time before use.
D) You cannot be sure of the certificate's validity and must check the RA each time before use.

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