单项选择题
A. IP/TV Control Server
B. Content Distribution Manager
C. Content Engine
D. IP/TV Broadcast Server
多项选择题 You are the Cisco Network Designer in Cisco.com. Which two statements about Layer 3 access designs are correct?（）
单项选择题 You are the Cisco Network Designer in Cisco.com. Which layer NAS operating mode are ACL filtering and bandwidth throttling only provided during posture assessment?（）
单项选择题 To ensure voice packets are kept within the Committed Information Rate (CIR) of a Frame Relay link, what should be used in the CPE?（）