The ____ exception type occurs when a procedure is called and the result is not possible.

The feature of modern switches called ________ duplicates the information going into a port to the SPAN port

Fill in the blank(s) with correct word

Answer the following statements true (T) or false (F)

1. You can assign any file name to a batch file, but the extension must be .EXE. 2. By convention, executable programs are assigned the extension BAT, COM or EXE. 3. Many MS-DOS commands assume a standard input or output device; for example, by default the directory command sends its output to the screen. By using pipes the user can change those defaults. 4. A filter accepts input from the standard input device, modifies the data in some way, and sends the results to the standard output device. 5. A redirection parameter causes one command’s standard output to be used as the standard input to another command.