You need to ensure that the users can access Web1 by using the URL http://web1

Your network contains an Active Directory forest. The forest contains three domain trees. Each
domain tree contains multiple domains. You have an Active Directory-integrated DNS zone. You
install a Web server named Web1. All of the users in the company will use Web1. You need to
ensure that the users can access Web1 by using the URL http://web1. You want to achieve this goal
by using the minimum amount of administrative effort. What should you do?

A.
Configure a GlobalNames zone and add a Host (A) resource record for Web1.

B.
Create an Alias (CNAME) resource record for Web1 in the forest root domain zone.

C.
Create a reverse lookup zone and add an Alias (CNAME) resource record for Web1.

D.
Create a Host Information (HINFO) resource record for Web1 in the forest root domain zone.

Explanation:
B should be also the correct answer:
Create an Alias (CNAME) resource record for Web1 in the forest root domain zone. Because the root
zone is already AD-integrated
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