试题详情
单项选择题 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？（）

A、publicly secure packet forwarding is enabled.

B、the minimum data rate is not set to 11 mbps.

C、an address resolution protocol is enabled.

D、the access point is set to the least congested channel.

  • A

  • 关注下方微信公众号，在线模考后查看

热门试题