Final answer:
A crimper is the appropriate tool to use when connecting a network cable to a wall jack in a meeting room after running it through a conduit.
Step-by-step explanation:
When connecting a network cable to a wall jack in a meeting room after running it through a conduit, a crimper is the appropriate tool to use. A crimper is used to attach connectors, such as RJ-45 connectors, to the ends of network cables. It is specifically designed to crimp the metal contacts of the connector onto the individual wires, ensuring a secure connection.