Which of the following is not fault tolerant?
a. RAID Level 0
b. RAID Level 1
c. RAID-5
d. None of the above.
A. RAID-0 writes to .each disk sequentially, improving read/write performance, but does not provide fault tolerance. If you lose any one of the disks in the array, all data is lost, and you must restore the data.
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Which of the following statements is false?
a. The <= operator tests whether the set to its left is an improper subset of the one to its right—that is, all the elements in the left operand are in the right op-erand, and the sets might be equal. b. You may also check for an improper subset with the set method issubset. c. You may check for an improper superset with the set method issuperset. d. The argument to issubset or issuperset must be a set.
Which constants are used to indicate that a ResultSet is scrollable, insensitive to changes and read only?
a. TYPE_SCROLLABLE_INSENSITIVE, CONCUR_READ_ONLY. b. TYPE_SCROLLABLEINSENSITIVE, CONCUR_READONLY. c. TYPE_SCROLL_INSENSITIVE, CONCUR_READ_ONLY. d. TYPE_SCROLL_INSENSITIVE, CONCUR_READONLY.
In the accompanying figure, what effect has been applied to the "D" on the right?
A. Chiseled Emboss Hard B. Hard Chisel Bevel C. Inner Bevel Chisel Hard D. Inner Bevel Chisel Soft
What key should be pressed as soon as the computer boots in order to enter Safe Mode?
A. F5 B. F8 C. Del D. ESC