File extensions should not be changed by the user because the operating system uses them to identify the program that should be used to open the file.
Answer the following statement true (T) or false (F)
True
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____ is a lock option for layer components within Photoshop.
a. Lock transparent pixels b. Lock parameters c. Lock image pixels d. Lock position
____________________ are permit or deny statements that filter traffic based on the source address, destination address, protocol type, and port number of a packet.
Fill in the blank(s) with the appropriate word(s).
Two technologies in computer networking that often generate revenue are wireless LANs and network security.?
Answer the following statement true (T) or false (F)
When a null file occurs:
a. No records should be processed. b. The file should be closed and reopened again. c. The program should process at least one record. d. None of the above.