Over the last decade, the overall energy consumption of cloud data centers worldwide has remained relatively the same. Why is this so?

A)The technology supporting cloud data centers has become much more energy efficient.

B)Cloud data centers operate with less computing power than they did in the past.

C)Cloud providers have placed limits on the amount of data stored at each center.

D)There is significantly less customer demand for cloud computing than a decade ago.

E)I don't know this yet.

Wireless communications is likely to be viewed as an essential part of an enterprise network infrastructure when: select one: a. mobile communication is needed b. communication facilities must be installed at low initial cost c. communication must take place in a hostile or difficult terrain that makes wired communication difficult or impossible d. the same information must be broadcast to many locations

1. which of the following statements are true about routers and routing on the internet. choose two answers. a. protocols ensure that a single path between two computers is established before sending packets over it. b. routers are hierarchical and the "root" router is responsible for communicating to sub-routers the best paths for them to route internet traffic. c. a packet traveling between two computers on the internet may be rerouted many times along the way or even lost or "dropped". d. routers act independently and route packets as they see fit.

Brian wants to conduct an online search with a certain phrase. he intends to use the words books that belong to the 1800s in his search. how should he use the word that in his search?