Another access point on a school switch does not power up. The port supports PoE, the access point's draw is within what one port can supply, and the switch reports less PoE budget remaining than the access point needs. Which limit is this?
Select an answer to reveal the explanation.
Short Explanation
The outlet is the right kind and this access point is not asking for more than one outlet can give, yet the panel for the whole closet is out of watts. That panel is the switch PoE budget. You do not fix a power budget with fiber, a VLAN tag, or a name server.
Full Explanation
A PoE switch has a total power budget shared by the ports, separate from what any one port is allowed to supply. This port can supply the access point's draw, and the switch reports that the remaining budget is less than that draw, so the access point stays dark because the budget is exhausted. The other access points are already consuming the budget. Single-mode fiber is unrelated to powering an access point over copper. A native VLAN mismatch affects untagged frames after a link is up. It does not zero out PoE while the budget report shows a shortage. DNS resolves names. It is not in the path that decides whether a switch port feeds power. Exam caveat: a single port can also refuse an access point that asks for more than that port's standard. Here the stem says the per-port capability is enough and the remaining budget is not. Operational check: read the remaining budget, move a lower-priority device or add a power supply, and confirm the access point draws power after the budget has room.