Adaface Sample Windows Administration Questions

Michael Willis created a user in Active Directory Users And Computers, and added the user to the VPN Users security group, which has a Remote Access Policy. The network admin has set the Remote Access Policy for VPN Users for Monday to Friday from 7 AM to 6 PM. Now, Michael is showing the user how to set up the VPN client for PPTP tunneling over a video conference call, but the user is not able to connect. What could be the issue?

A. The user needs a certificate for his computer.
            B. The user is in a different time zone.
            C. Michael forgot to select the Allow Access radio button on the Dial-In tab for the user account
            D. Michael needs to configure DNS on the client computer.

Harper is hired as the system admin for an e-commerce company, Dove. There is a Windows Server 2003 system which was installed by another administrator, just before they left. The admin seems to have finished the installation, but they did not set up any configuration after the installation. Harper checks the maximum log sizes in Event Viewer, and realizes that the maximum size of the Security log is 16 MB. What can we tell on the basis of this information?