A junior systems administrator is diagnosing an issue with latency. The administrator issues the command mtr www.comptia.orgat a terminal and receives the following output:

Given this scenario and the output, which of the following should be reported to the network team for investigation? (Choose two.)

Which of the following is the BEST reason for not storing database files in the /var directory?

A systems administrator receives a report that the web server is not running after a planned system reboot.
After starting the web server manually, which of the following commands should the administrator issue to ensure the web server starts at boot time?

A junior systems administrator created a new filesystem /dev/sda1with mountpoint /dataand added it to the /etc/fstabfor auto-mounting.
When the systems administrator tries to mount the file system, the system refuses. Given the output below:

Which of the following steps is necessary?

A Linux administrator needs the "tech" account to have the option to run elevated commands as root.
Which of the following commands would BEST meet this goal?