Firewalls can be used on web ____.
A. ?servers
B. ?clients
C. ?either a. or b.
D. ?neither a. nor b.
Answer: C
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The __________ clause prevents duplicate values from appearing in the query results.
a) Unique b) Exclusive c) Different d) Distinct
Which of the following is true about a circular doubly linked list?
a) inserting into the first position of the list is a special case b) deleting from the last position of the list is not a special case c) the precede reference of the last node has the value null d) the next reference of the last node has the value null
A CROSS JOIN will return a total number of rows that equals the product of the total number of rows in the first table times the total number of rows in the second table and is known as what?
a. A Cartesian product b. A NATURAL JOIN c. An OUTER JOIN d. A UNION
Key exchange requires Alice and Bob to each agree upon a large prime number and related integer.
What will be an ideal response?