简述饮食不节。
When HSRP is configured on a network, which two of these items are provided, which are sharedbetween the routers that run HSRP? （）(Choose two.) TCP-based hello packets。 the impact of flapping links if timers are too low。 a shared single interface。 the ability to track serial interfaces。 UDP-based hello packet。
Identity authentication, protocol encryption, secure guest access, voice over WLAN features, and a small device footprint are all highlights of what product in the wireless technology market?（） wireless monitoring device。 wireless LAN controller。 wireless bridge。 wireless management device。 access point。
在带电的电流互感器二次回路上工作时，必须有（），使用（）。
You are troubleshooting a problem with a cisco 7920 wireless ip phone on a standalone wlan. the phone rings but， when you Answer ，the call is dropped. What may have caused this problem？（） publicly secure packet forwarding is enabled.。 the minimum data rate is not set to 11 mbps.。 an address resolution protocol is enabled.。 the access point is set to the least congested channel.。
补充侦查以（）次为限
