While working on a Linux-based OS, a technician experiences an issue accessing some servers and some sites by name. Which of the following command-line tools should the technician use to assist in troubleshooting?

A home user is unable to get to the Internet from a workstation that is connected to a wireless network. When reviewing the results of the ipconf ig command the user wants to verify the default gateway is correct. Which of the following devices should be the gateway?

Which of the following MUST be implemented to share metrics between routing protocols within the same router?

Which of the following may state: "Employees may not browse social media websites from company-owned computers?"

A network architect is designing a highly redundant network with a distance vector routing protocol in order to prevent routing loops, the architect has configured the routers to advertise failed routes with the addition of an infinite metric. Which of the following methods has the architect chosen?