A cloud administrator works for an online gaming company that is hosting its multiplayer servers in a public IaaS cloud. The following metrics are reported during a controlled beta test:
RAM usage 80%
Bandwidth usage 50% Average ping 800ms
The beta test shows poor performance for gamers. Which of the following should the cloud administrator implement FIRST to improve the gamers' experience?

A cloud-based web proxy is blocking key sites that a business requires for operation. After validation, the sites are legitimate, and access is required for end users to complete their work.
Which of the following is the BEST solution to allow access to the sites?

An administrator has recently moved all VoIP to a CaaS offering. In order to ensure that VoIP traffic remains separate from the rest of the data traffic, which of the following MUST be done?

An administrator is deploying a new application platform with the following resource utilization:

Company policy requires that no resource utilization surpasses 80%. Which of the following resources will need to be upgraded prior to deployment?

A cloud engineer deployed an email server in a public cloud. Users can access the email server, but the emails they send cannot reach their destinations. Which of the following should the cloud engineer do FIRST?