An administrator is asked to harden a Linux server after installing the OS. Which of the following should the administrator do FIRST?

A server administrator is deploying a UPS at a datacenter and notices the device is making an audible beep every few seconds.
Which of the following is the MOST likely cause?

Users at a remote site have reported that a regularly used server is inaccessible. The systems administrator knows users at another site also use the same server, so the administrator contacts them to see if the same issue is occurring. Which of the following troubleshooting steps is this an example of?

Which of the following can be BEST described as the amount of time a company can afford to be down during recovery from an outage?

A server that recently received hardware upgrades has begun to experience random BSOD conditions. Which of the following are likely causes of the issue? (Choose two.)