An IT department is using a number of tools to automate the expansion and contraction of the cloud resource pools.
Which cloud feature are they implementing?

A.
Elasticity

B.
Monitoring

C.
Trust zones

D.
Chargeback

Explanation:

Reference https://docs.tibco.com/pub/silver_fabric/5.7.0/doc/html/fabric-introduction/wwhelp/wwhimpl/common/
html/wwhelp.htm#context=fabric-introduction&file=fabric-overview.03.2.htm