Upon receipt of the initial signed digital certificate the user will decrypt the certificate with the public key of the:

• A.registration authority (RA).
• B.certificate authority (CA).
• C.certificate repository.
• D.receiver.

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The potential for unauthorized system access by way of terminals or workstations within an organization's facility is increased when:

• A.connecting points are available in the facility to connect laptops to the network.
• B.users take precautions to keep their passwords confidential.
• C.terminals with password protection are located in insecure locations.
• D.terminals are located within the facility in small clusters under the supervision of an administrator.

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Which of the following analytical methods would be MOST useful when trying to identify groups with similar behavior or characteristics in a large population?

• A.Cluster sampling
• B.Classification
• C.Deviation detection
• D.Random sampling

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The role of the certificate authority (CA) as a third party is to:

• A.provide secured communication and networking services based on certificates.
• B.host a repository of certificates with the corresponding public and secret keys issued by that CA.
• C.act as a trusted intermediary between two communication partners.
• D.confirm the identity of the entity owning a certificate issued by that CA.

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The database administrator (DBA) suggests that DB efficiency can be improved by denormalizing some
tables. This would result in:

• A.loss of confidentiality.
• B.increased redundancy.
• C.unauthorized accesses.
• D.application malfunctions.

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