Which of the following is common in today's data centers?
A. redundant/backup power supplies
B. environmental controls
C. data communication connections
D. all of the above
Question 2
Subnetworks are connected by devices referred to as __________, which provide a communications path and perform the necessary relaying and routing functions so that data can be exchanged between devices attached to different subnetworks in the
internet.
Fill in the blanks with correct word