协方差的绝对值越小，则这两种资产报酬率的关系越密切。（）
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Which two statements are true regarding EIGRP?（）
A. Passiveroutes are in the process of being calculated by DUAL.
B. EIGRP supports VLSM, route summarization, and routing update authentication.
C. EIGRP exchanges full routing table information with neighboring routers with every update.
D. If the feasible successor has a higher advertised distance than the successor route, it becomes the primary route.
E. A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.
风险报酬率的大小是比较两个项目优劣的标准。（）
A. 对
B. 错
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