A(n) ________ query removes records from a table.
Fill in the blank(s) with the appropriate word(s).
Delete
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The command find . name "?" print
a: starts from the current directory, and finds all files with filename ? b: starts from the home directory, and finds all files with filename ? c: starts from the root directory, and finds all files that have a ? mark as part of their filenames d: starts from the current directory, and finds all files with one character filename e: none of the above
Which of these is NOT a wireless device?
A) TV remote control B) Internal DVD drive C) Mouse D) Cell phone
If you need to employ security by disallowing users from one department or network segment from access another department's resources, which should you use?
A. bridges B. hubs C. routers D. switches
The ____ function returns a nonzero number if the character is a letter; otherwise returns a zero.
A. isupper(char) B. islower(char) C. isdigit(char) D. isalpha(char)