Answer: A. Verify the wireless connection is using the fastest wireless standard the router supports.
D. Enable QoS for the gaming applications on the router and on the son's computer.
Explanation: Verifying the wireless connection is using the fastest wireless standard the router supports will improve line of connectivity and reduce network latency hence gaming consoles communicate faster.
QoS enables the prioritizing of the volume of internet traffic on the console for high quality gaming. QoS will also enable more internet bandwidth to be channeled to the gaming console.
Cross-platform.
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The answer is (D) windows server essentials experience
When Windows server Essentials Experience Role available in
Windows Server 2012 R2 Standard and Datacenter is installed, you can take advantage
of the many features available in Windows Server 2012 R2 Essentials. This
service enables you to protect your client and server by backing up all the client
computers and your server within the network.