单项选择题

What is high availability?（）

A. redundant infrastructure
B. clustering of computer systems
C. reduced MTBF
D. continuous operation of computing systems

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单项选择题

What is the purpose of IGMP in a multicast implementation?（）

A. it is not used in multicast
B. it determines the virtual address group for a multicast destination
C. it dynamically registers individual hosts in a multicast group on a specific LAN
D. it is used on WAN connections to determine the maximum bandwidth of a connection
E. it determines whether Bidirectional PIM or PIM sparse mode will be used for a multicast flow

单项选择题

Which content networking device allows bandwidth configuration settings so that streaming content will not interfere with other network traffic?（）

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?（）

A. Convergence time is fractionally slower than STP.
B. Broadcast and fault domains are increased.
C. IP address space is difficult to manage.
D. Fast uplink convergence is supported for failover and fallback.