A company’s business model was changed to provide more web presence and now its ERM software is no
longer able to support the security needs of the company. The current data center will continue to
provide network and security services. Which of the following network elements would be used to
support the new business model?

A.
Software as a Service

B.
DMZ

C.
Remote access support

D.
Infrastructure as a Service

Explanation:
Software as a Service (SaaS) allows for on-demand online access to specific software applications or suites
without having to install it locally. This will allow the data center to continue providing network and
security services.
Incorrect Answers:
B, C: These options would require the ERM software to be installed locally, which is not supported by the
business model.
D: Infrastructure as a Service provides on-demand operating solutions, as well as comprehensive
outsourcing options. This will take away the need for a data center.

Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, p. 38