Choose the types of work a person in the network systems administration field might do on a regular basis. Check all of the boxes that apply.

troubleshooting the network when there are problems with connectivity

improving the speed of the network

helping users install word-processing software

developing video games

DONE

Visually impaired individuals generally rely on the for navigation. thus, designers need to ensure that mouse-specific inputs, such as pointing, clicking, and hovering, can be done without a mouse.

Johnson enterprises uses a computer to handle its sales invoices. lately, business has been so good that it takes an extra 3 hours per night, plus every third saturday, to keep up with the volume of sales invoices. management is considering updating its computer with a faster model that would eliminate all of the overtime processing.

Write a program that asks the user to enter the name of an input file. if the file does not exist, the program should prompt the user to enter the file name again. if the user types quit in any uppercase/lowercase combinations, then the program should exit without any further output.