The Expression Builder displays the expression ________

What statement regarding the use of an IDS is not accurate?

A. An IDS examines all packets on a virtual network. B. An IDS can detect a denial of service attack. C. An IDS can detect a virtual machine that is infected by a worm. D. An IDS improves performance of a virtual network.

A(n) ____________________ is a contract between an organization and an external support provider that defines the expected performance of user support services.

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