Which of the following is used to prevent Layer 2 switching loops within a local area network?
A. STP
B. MTU
C. EGP
D. IGP
Answer: A. STP
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Given that the line
delete newPtr; just executed, what can you conclude? a. The memory referenced by newPtr is released only if it is needed by the system. b. The pointer newPtr is of type void *. c. The pointer newPtr only exists if there was an error freeing the memory. d. The pointer newPtr still exists.
An array's ____ method returns an integer that indicates the highest subscript in the specified dimension in the array.
A. GetGreatestBound B. GetHighestBound C. GetUpperBound D. GetUpper
This is a protocol used to map an IP address to its MAC address.
What will be an ideal response?
The MS-DOS command __________ displays a directory one screen at a time.
a. DIR /WINDOWS b. DIR /WINDOWS | MORE c. DIR /WINDOWS MORE d. DIR /WINDOWS >MORE