Which of the following are possible using public key systems?

a. digital signatures
b. digital postmarks
c. digital certificates
d. all of the above


d. all of the above

Computer Science & Information Technology

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What is the Big O for a constant performance algorithm efficiency?

a. O(1) b. O(0) c. O(n) d. O(n^2)

Computer Science & Information Technology

Assume you are working with the people table in the maxdb database described in this chapter. Write a query that lists the names of all the people and their hire dates sorted by their names.

What will be an ideal response?

Computer Science & Information Technology

Your Internet service provider has a default domain name server to translate a URL into an IP address

Indicate whether the statement is true or false

Computer Science & Information Technology

Criteria in select queries include logical operators

Indicate whether the statement is true or false

Computer Science & Information Technology