An administrator running a port scan wants to ensure that no processes are listening on port 23. What state should the port be in?
A. open port
B. secure port
C. hardened port
D. closed port
Answer: D
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We are interested in providing a class, say class A, with an overloaded operator << for output. You can’t put a using directive or declaration in a function header. There are three ways to make namespace names available in a declaration of an overloaded operator<< Give two of the three ways to declare an overloaded operator << Give the #include, assume that class A has been defined, then define a stand-alone operator<< function for output of a class. Only give the two declarations, not the implementation, of such overloaded functions.
What will be an ideal response?
Method getSelectedValues of class JList returns:
a. an array of ints representing the indices of the selected items. b. an array of doubles representing the indices of the selected items. c. an array of Strings representing the selected items. d. an array of Objects representing the selected items.
____ defines the order in which the program executes instructions.
a. Iteration b. Invocation c. Sequence d. Selection
?A Class A network uses how many bits for the network ID, and how many bits for the host ID?
A. ?8 B. ?16 C. ?24 D. ?32