A_______ is a digital document used to identify a user and issued by a certificate authority (CA).

a) digital signature.
b) digital certificate.
c) key.
d) None of the above.

b) digital certificate.

Computer Science & Information Technology

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The duplication of data in a database is called data ________

Fill in the blank(s) with correct word

Computer Science & Information Technology

The process of preparing for an operating system installation includes verifying that your system has sufficient performance and free disk space for the installation

Indicate whether the statement is true or false

Computer Science & Information Technology