lightweight access point has been connected to a catalyst 3550 24-pwr switch, and on power-up the access point fails. What is the problem with the switch?()
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.
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销售人员行为违法违纪、违反职业操守的,公司将视其情节轻重以及给公司造成损失和影响的严重程度,分别予()等处罚。
A. 通报批评
B. 警告
C. 罚款
D. 记过、开除
直埋电缆的优点包括()。
A. 散热条件好
B. 易于抢修
C. 供电可靠性高
D. 投资小