A technician attempts to replace a switch with a new one of similar model from the same vendor. When the technician moves the fiber and SFP plug, the switch does not completely boot up. Considering that the config files are the same, which of the following is the MOST likely cause of the failure?
A. Damaged fiber
B. Corrupted operating system
C. VLAN mismatch
D. Bad port
Answer: B. Corrupted operating system
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Polymorphism is when __________ in a class hierarchy perform differently, depending on which object performs the call.
a. base class constructors b. derived class constructors c. member functions d. derived class destructors e. None of these
A stream operation that converts the stream it is applied to into an object that is not a stream is called
A) a terminal operation B) a reduction C) All of the above D) None of the above
Suppose you create a class Square to be a subclass of GeometricObject. Analyze the following code:
``` class Square extends GeometricObject { double length; Square(double length) { GeometricObject(length); } }``` a. The program compiles fine, but you cannot create an instance of Square because the constructor does not specify the length of the Square. b. The program has a compile error because you attempted to invoke the GeometricObject class's constructor illegally. c. The program compiles fine, but it has a runtime error because of invoking the Square class's constructor illegally.
Match the following parts of the PowerPoint interface with their function:
I. Slides tab II. Slide pane III. Notes pane IV. status bar V. splitter bar A. add and edit text for use by the speaker B. contains the slide number, theme name, and view options in Normal view C. shows slide thumbnails D. changes the size of your panes E. edit the current slide