多项选择题
A.The use of a queuing method that will give VoIP traffic strict priority over other traffic
B.The use of RTP header compression for the VoIP traffic.
C.The proper classification and marking of the traffic as close to the source as possible
D.The use of 802.1QinQ trunking for VoIP traffic
E.The use of WRED for the VoIP traffic
单项选择题 You need to troubleshoot some problems in the Company VOIP network associated with jitter. What is the cause of jitter？ （）
多项选择题 The Lightweight Access Point Protocol （LWAPP） is in use within the Company wireless network. Which two statements correctly describe features of this protocol？ （）
单项选择题 Which statement about the Lightweight Access Point Protocol （LWAPP） is true？ （）