Answer to Question 1
The CIA security triad refers to the confidentiality, integrity, and availability (or accessibility) of information and business Web sites. Confidentiality is the assurance of data privacy. The data or transmitted message is encrypted so that it is readable only by the person for whom it is intended. The confidentiality function prevents unauthorized disclosure of information. Integrity is the assurance that data is accurate or that a message has not been altered. It means that stored data has not been modified without authorization; a message that was sent is the same message that was received. Availability is the assurance that access to data, the Web site, or other EC data service is timely, available, reliable, and restricted to authorized users.
Answer to Question 2
A
The following terms describe types of body movement that occur at the diarthrotic joints
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