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單項(xiàng)選擇題

Which of these is a benefit of ESM?()

A. supports multiple MIBs
B. includes NetFlow, NBAR, and IP SLA software subsystems
C. includes NetFlow, syslog, and IP SLA software subsystems
D. includes a predefined framework for filtering and correlating messages
E. supports two logging processes so output can be sent in standard and ESM format

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