QUESTION: 217 Your network contains an Active Directory domain named contoso.com . All servers run Windows Server 2012 R2. The domain contains a domain controller named DC1 that is configured as an enterprise root certification authority (CA). All users in the domain are issued a smart card and are required to log on to their domain-joined client computer by using their smart card. A user named User1 resigned and started to work for a competing company. You need to prevent User1 immediately from logging on to any computer in the domain. The solution must not prevent other users from logging on to the domain. Which tool should you use? A. Server Manager B. The Certification Authority console C. Active Directory Administrative Center D. Active Directory Sites and Services Answer: C QUESTION: 218 Your network contains an Active Directory forest named contoso.com . Users frequently access the website of an external partner company. The URL of the website is . The partner company informs you that it will perform maintenance on its Web server and that the IP addresses of the Web server will change. After the change is complete, the users on your internal network report that they fail to access the website. However, some users who work from home report that they can access the website. You need to ensure that your DNS servers can resolve partners.adatum.com to the correct IP address immediately. What should you do?