Which of the following bus slots is in a laptop?

Facebook is free to use, although you do have to establish a Facebook ________

Fill in the blank(s) with correct word

A network consultant arrives at a customer's site to troubleshoot their email server. The server is running a Linux operating system, but the consultant is only familiar with Windows operating systems. Which of the following troubleshooting steps should the consultant take?

A. Document findings B. Identify the problem C. Escalate the problem D. Establish a plan of action