Which two statements about MPLS point-to-multipoint traffic engineering (P2MP TE) are true? ()
A. P2MP TE uses an OSPF extension that is different from the OSPF extension that is used in P2P TE
B. Loose path is not supported in P2MP TE
C. Multiple IP multicast groups can map to one P2MP tunnel
D. Affinity is not supported in P2MP TE
E. P2MP TE uses Constrained Shortest Path First (CSPF) to calculate path
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运用比较法评估一套住宅的价值,对可比实例价格进行手下列修正中,属于区位状况修正的有()
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B. 朝向
C. 楼层
D. 新旧程度
E. 户型
气候学研究进入一个新阶段的重要标志是气候系统。
A. 正确
B. 错误
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A. 正确
B. 错误
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