What operator is used to access the value of a single variable?
by the use of a pointer variable?
A. ->
B. &
C. *
D. You need more than one of these.
C
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Which statement is false?
a. The compiler always creates a default constructor for a class. b. If a class’s constructors all require arguments and a program attempts to call a no-argument constructor to initialize an object of the class, a compilation error occurs. c. A constructor can be called with no arguments only if the class does not have any constructors or if the class has a public no-argument constructor. d. None of the above.
A(n) ____________________ is a network device which is used to connect two self-governing network segments together to be able to exchange data.
Fill in the blank(s) with the appropriate word(s).
Which of the following is TRUE about cropping an image?
A) The crop pointer is the key used to delete portions of an image. B) The portion of the image to be removed displays in black. C) The portion of an image that is to be removed displays in gray. D) The portion of an object to be deleted displays as light red stripes.
Which of the following is the simplest and least expensive type of a firewall?
a. Packet filter b. Application level gateway c. Circuit level gateway d. Stateful packet inspection