The ________ extension method is returns the number of results in a LINQ query.

The ________ number format multiplies the number in the cell by 100

Fill in the blank(s) with the appropriate word(s).

An organization is moving to a new datacenter. During the move, several technicians raise concerns about a system that could potentially remove oxygen from the server room and result in suffocation. Which of the following systems are they MOST likely discussing?

A. Fire suppression B. Mantraps at the entry C. HVAC D. UPS and battery backups