________ operations return a value of true or false
Fill in the blank(s) with correct word
Logical
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____________ are small devices that plug into a computer’s USB port and appear to the system as disk drives.
a. Virtual disk drives b. Universal Serial Bus (USB) drives c. Floppy disk drives d. External disk drives
Enter the following script named savefiles, and give yourself execute permission to the file:
$ cat savefiles #! /bin/bash echo "Saving files in working directory to the file savethem." exec > savethem for i in * do echo "===================================================" echo "File: $i" echo "===================================================" cat "$i" done a. Which error message do you receive when you execute this script? Rewrite the script so that the error does not occur, making sure the output still goes to savethem. b. What might be a problem with running this script twice in the same directory? Discuss a solution to this problem.
Having many _________ values in your database wastes space and causes problems working out totals.
a. binary b. atomic c. null d. string
What is the main difference between RIP version 1 (RIPv1) and RIP version 2 (RIPv2) ?
What will be an ideal response?