Which RAID array uses a minimum of three disks, two for striping and one to store parity information?

A company uses port security based on an approved MAC list to secure its wired network and WPA2 to secure its wireless network. Which of the following prevents an attacker from learning authorized MAC addresses?

A. Port security prevents access to any traffic that might provide an attacker with authorized MAC addresses B. Port security uses certificates to authenticate devices and is not part of a wireless protocol C. Port security relies in a MAC address length that is too short to be cryptographically secure over wireless networks D. Port security encrypts data on the network preventing an attacker form reading authorized MAC addresses

When using a physical graphics card to accelerate video and 3D rendering in a virtual machine, what role must be added to the server?

A. Virtualized Desktop Infrastructure role B. Terminal Services role C. 3D Render Host role D. Remote Desktop Virtualization role