单项选择题
A. 39.0f01.0002.0000.0c00.1111.00
B. 48.0f01.0002.0000.0c00.1111.00
C. 49.0004.30ac.0000.3090.c7df.00
D. 52.0f01.0002.0000. 0c00.1111.00
单项选择题 Which tech nology manages multicast traffic at Layer 2 by configuring Layer 2 LAN interfaces dynamically to forward multicast traffic only to those interfaces that want to receive it?（）
单项选择题 Refer to the exhibit. Which command would verify if PBR reacts to packets sourced from 172.16.0.0/16?（）
多项选择题 Which three statements about OSPF areas are true?（）