Mobile computers should be backed up ________.
A. before being taken off site
B. every one hour
C. never
D. as soon as brought back on-site
A. before being taken off site
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An instance variable is a variable defined within a class, outside of a method, without the word ____.
A. static B. public C. private D. boolean
Which of the following are examples of invalid string literals?
a) "Hello World!" b) "4 score and 7 years ago, our forefathers brought forth..." c) "z" d) "" e) none of the above
_________ returns the last character in a StringBuilder variable named strBuf?
a. strBuf.charAt(strBuf.length() - 1) b. strBuf.charAt(strBuf.capacity() - 1) c. StringBuilder.charAt(strBuf.length() - 1) d. StringBuilder.charAt(strBuf.capacity() - 1)
____________________ routing protocols calculate the total cost to get to a particular network ID and compare that cost to the total cost of all the other routes to get to that same network ID.
Fill in the blank(s) with the appropriate word(s).