A systems administrator manually added a new library to the server. The administrator wants to rebuild the
library cache for immediate use.
Which of the following commands should the systems administrator run to achieve this goal?
A Linux administrator needs to prevent the Postfix mail transfer agent from starting on boot.
Which of the following commands will accomplish this task?
A systems administrator notices several intensive tasks executing from users Joe and Ann. These processes
are impacting server operations but must be allowed to continue running.
Which of the following commands should the systems administrator run to reduce the impact on the server?
Joe, a user, reports there is data missing after a reboot of the system he is using. The data he was working on was located in /opt/data/user1. A Linux administrator runs the following commands and receives the resulting output.
Which of the following should the administrator perform to resolve the issue?
A Linux user uses a VPN to securely access the company's systems from a laptop.
Which of the following protocols are MOST likely used to secure the VPN connection? (Choose two.)