The safest way to wire a stop button to a PLC system is to use an NC contact programmed to examine for an ON condition.

Carol wants to redisplay a workbook window she had hidden earlier.Which button should she click on the View tab?

A) Unhide
B) Arrange All
C) Reset
D) Redisplay Window

You can access the services offered by Office 365 using your computer,browser,or supported mobile device.

DevOps is a methodology combining IT developments teams with operations teams throughout the development and deployment of IT solutions.

Counters count:

A) true-to-false transitions of the counter rung.
B) false-to-true transitions of the counter rung.
C) the length of time a counter rung is true.
D) the length of time a counter rung is false.

You use the _____ property of a query to document the purpose or author of the query.

A) Purpose
B) Object
C) Miscellaneous
D) Description

The chart type that uses slices to show parts of a whole is a _____ chart.

A) line
B) bar
C) pie
D) column

The results of a query display in ____________________ view.