A company has decided to upgrade its legacy phone system to VoIP. The new phones will download the configurations from a TFTP server each time they boot up. Which of the following firewall ports must be opened to ensure the phones can communicate with the server?

A technician wants to set an IP address to a specific MAC address on a host machine. Which of the following commands should the technician use?
ipconfig

Which of the following should a technician investigate when using a network baseline to troubleshoot?

A junior network technician is setting up a new email server on the company network.
Which of the following default ports should the technician ensure is open on the firewall so the new email server can relay email?

A SAN serves out storage to a company's virtual environment and provides low-level disk access. The company wants to use its existing IP network and equipment to access the virtual disks. Which of the following network connection types would BEST accomplish this task?