Which statement describes the call behavior of the Cisco Unified Wireless IP Phone 7921G when it roams from 802.11b to 802.11a?()

A . The phone does a directed call hangup on 802.11b,then does an auto-redial on 802.11a,creating a new call. B . The phone does a directed call hangup on 802.11b, then the user does a redial on 802.11a,creating a new call. C . The phone does a disassociation on 802.11b and an association on 802.11a,and call remains up if the subnet has not changed. D . The phone does not roam from 802.11b to 802.11a when on an active call. E . The phone must switch network profiles to roam from 802.11b to 802.11a.

时间:2022-08-30 08:08:54 所属题库:CCNP(642-741)题库

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