You are a designer for ABC.com. ABC.com’s Exchange environment (10,000 seats) is currently
running on six HP servers with direct attached storage, with the Exchange servers using about
3TB of storage. The Exchange administrator receives requests to restore emails that have been
deleted on a daily basis. You are asked to design a sizing solution to facilitate future growth in the
environment. In addition to the number of Exchange seats, what are other sizing concerns for
configuring an Exchange storage environment?

A.
PST size, mailbox size, network latency, attachment sizes

B.
Network latency, mailbox size, level of email usage, number of active directories

C.
Mailbox size, PST size, level of email usage, shared folder usage

D.
Blackberry usage, level of email usage, mailbox size, shared folder usage