单项选择题
A.the power supply has inadequate wattage.
B.power is incorrectly configured on the port.
C.it does not support 802.3af poe.
D.power is not enabled on the port.
单项选择题 Two access points running the core feature set are connected to the same switch and are providing guest services. if pspf is enabled. What must be enabled on the switch to prevent clients from seeing one another’s data？（）
单项选择题 Ablinkinggreenledindicateswhichofthefollowingconditionsonacisco1030remoteedgeap？（）
单项选择题 Last december you erected a bridge link between two buildings on your campus. it is now april and the foliage in the trees is full， and the bridge link will no longer maintain connectivity. Which action will most likely solve the problem？（）