Joe, a user who is travelling for business, reports that his mobile phone was getting approximately 35 Mbps for the first few days of his trip, but now it is only getting around 500 Kbps. Joe uses the device as a GPS to visit customers and as a hotspot to check work email and watch movies online. Which of the following is the MOST likely cause of Joe's slow data speeds?

An end user is browsing the Internet when multiple browser pages open by themselves. The user notices the PC is running slowly, even while not browsing the Internet.
Which of the following actions should the user take?

A Linux user report that an application will not open and gives the error only one instance of the application may run at one time. A root administrator logs on ot the device and opens terminal. Which of the following pairs of tools will be needed to ensure no other instance of the software are correctly running?

Ann, a network engineer, wants to use FTP to back up and push configurations to several switches she is updating. Ann starts the FTP service on her PC and places the new configuration in the correct directory. However, she cannot communicate with the PC using FTP from the switch. Which of the following must Ann do to allow FTP communications?

A technician is running Windows on a company's Mac workstations without incurring an additional expense to the company. The Windows licenses were purchased in the post. Users are required to run both Windows and Mac operating system on their machines, but never at the same time.
Which of the following would be the BEST way to accomplish this?