Which is not a true statement regarding mainframes?

a. They hold key system legacy data

b. They are expensive to purchase and operate

c. They are more secure than Windows Hardware

d. They are usually customized and optimized for one primary task

Ironically, what is not included with z/OS?

b. Job Entry Sub-System

c. An HTTP Server

d. Workload Manager

e. Security Software

Some mainframe do not have much more memory than servers because:

a. there is so much storage available

b. z/OS is so efficient

c. memory cannot communicate with multiple storage devices

d. the software handles memory allocation