多項(xiàng)選擇題In relation to MPLS Multicast VPN, which three statements about multicast distribution (MDT) groups aretrue? ()

A.Default MDT groups are used for PIM control traffic, low-bandwidth sources, and flooding of sparse mode traffic.
B.MDTs are built in customer networks
C.Data MDT groups are used for high-bandwidth sources to reduce replication to uninterested PEs.
D.MDTs are built in provider networks
E.The number of MDTs depends on PIM modes of MDT groups.


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4.多項(xiàng)選擇題In the Carrier Support Carrier (CsC) feature, which two protocols run CSC-PE and CSC-CS ?()

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5.單項(xiàng)選擇題Which statement about standard STS-1 SONET framing is true?()

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B.6 rows by 64 bytes
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