多項選擇題

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 paths

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單項選擇題

Which statement about ATM AAL5 over MPLS is true？（）

A.It supports ATM signaling.
B.It supports traffic shaping of packets in MPLS to the ATM path.
C.It supports ATM switched virtual circuits
D.It supports fragmentation and reassembly.
E.It supports AAL5 SDU switching

單項選擇題

In the Cisco Resilient Ethernet Protocol （REP）， how many ports are always blocking？（）

A.zero
B.at least one
C.at least two
D.at least four
E.at least three

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Which two statements about MPLS point-to-multipoint traffic engineering （P2MP TE） are true？ （）

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Which statement about ATM AAL5 over MPLS is true？（）

In the Cisco Resilient Ethernet Protocol （REP）， how many ports are always blocking？（）

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Which two statements about MPLS point-to-multipoint traffic engineering （P2MP TE） are true？（）

Which statement about ATM AAL5 over MPLS is true？（）

In the Cisco Resilient Ethernet Protocol （REP）， how many ports are always blocking？（）