Why do most versions of Linux now use a “shadow” password file in addition to the normal /etc/passwd file?
What will be an ideal response?
The shadow password file is an extra security mechanism that prevents users from accessing the
encrypted password data for accounts on the system. Though not simple, it is possible to find a
password by testing every possible value and comparing it against the encrypted string found in
the regular password file.
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When you increase the screen resolution, Windows displays less information on the screen, but the information is larger.
Answer the following statement true (T) or false (F)
Satellite service speeds are comparable to those for ________ subscriber lines
Fill in the blank(s) with correct word
To copy selected text or objects, you use the Copy button in the ____________________ group on the HOME tab.
Fill in the blank(s) with the appropriate word(s).
A grayscale image displays up to ____ shades of gray.
a. 50 b. 100 c. 256 d. 1024