An administrator is creating new severs in a public cloud. The workflow creates and application group with three VMs, one web server, one application server and one database server. The three VMs are all accessible via SSH, but the websites shows a 503-error referring to a database issue.
Which of the following is the MOST likely cause of the error?

A cloud administrator has implemented a cost-savings policy to reduce the number of servers running at a given time. This policy will shut down all servers at 3:30 a.m. and restart them at 8:30 a.m. every morning. The management team has recently communicated that the daily reports are no longer available for the 9:00 a.m. meeting.

Which of the following would be BEST for the administrator to implement?

A hypervisor that prevents vendor lock-in is:

While reviewing the auto-scaling events for a web application, a cloud engineer identified that the application upsized and downsized multiple times within the last hour.
Which of the following should the cloud engineer do NEXT?

Which of the following is the BEST choice for a clustered host interconnect?