An additional laptop was recently added to a wireless network. Since then, multiple users have reported poor performance. Upon investigation, the network technician discovers the laptop uses an
802.11b wireless NIC. Which of the following BEST describes the issue?
A systems administrator has recently purchased and installed a large electronic signage screen for the company's parking garage. The screen's management software was installed on a server with a public IP address to allow remote management. The systems administrator is now troubleshooting an issue with the screen displaying unknown, random, and inappropriate messages. Which of the following is MOST effective in resolving this issue?