If the SQL implementation truly supports the union operation, it will remove any duplicate ____________________ automatically.
Fill in the blank(s) with the appropriate word(s).
rows
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Which of the following is NOT true about clustering?
A. failover is the ability to switch to a standby server if the active server fails B. load balancing allows servers to respond to an unexpected hardware or software failure C. clustering requires two or more identically-configured servers D. redundancy allows a system to continue running even if there is a failure
Auditing is the process of examining a worksheet for errors in ________
Fill in the blank(s) with correct word
Discuss how virtualization enables power saving.
What will be an ideal response?
________ hackers break into systems for non-malicious reasons such as to test system security vulnerabilities
A) Gray-hat B) White-hat C) Black-hat D) Green-hat