Your network consists of a single Active Directory domain named adatum.local. The Exchange Server 2003 organization is configured as shown in Exhibit 1

Users attempt to access Microsoft Office Outlook Web Access (OWA) From both the Internet and the internal network by using the URL https://mail. adatum.com/exchange.

Only users from the Internet successful connect to OWA.

From an internal computer, you ping mail.adatum.com and receive the response shown in Exhibit 2

You need to ensure that alI users can access OWA.

What should you do?

A.
On an internal DNS server, add a host record for mail to the adatum.local zone that has the 192.168.1.100 IP address.

B.
On an internal DNS server, create a zone named adatum.com. Add a host record for mail that has the 192.168.1.100 IP address.

C.
On the external DNS server, change the host record for mail.adatum.com to use 192.168.1.100.

D.
On the external DNS server, create a zone named adatum.local. Add a host record for mail to the zone that has the 192.168.1.100 IP address.