What environment file is always executed immediately after login for all users on the system, and sets most environment variables, such as HOME and PATH?
A. ˜/.bash_profile
B. ˜/.bash_login
C. /etc/profile
D. ˜/.profile
Answer: C
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Public key cryptography is so-named because:
a. It is highly popular b. Its use is not restricted by patents c. It utilizes an open source encryption algorithm d. The key that is used to encrypt a message does not need to be kept a secret, but can be made public
If you want to take out all items from a List object, call the ____________ method.
a. Clear b. Reset c. Clear All d. Re Dim
Which of the following is not a method of class String?
a. toUpperCase b. trim c. toCharacterArray d. All of the above are methods of class String
A port scan tests whether a computer's various ports are open, closed, or stealth.
Answer the following statement true (T) or false (F)