Which of the following statements about the configurations on PE 2 are true?

As shown in the figure, CE and CE 2 belong to VPN A, CE 3 and CE 4 belong to VPN B, VPN A and VPN B share the public network tunnels between border PE 1 and PE 2, and LDP tunnels are configured between PE 1 and PE 2. To isolate resources for VPN service data from PE 2 to PE 1, a unidirectional TE tunnel is configured t forward data from PE1. The QoS policy propagation though the border gateway protocol (QPPB) feature is configured on PE 2, and a QoS policy is defined when VPNs are bound to tunnel interfaces.

Which of the following statements about the configurations on PE 2 are true?
A . The mpls te commit command must be configured on the Tunnel1/0/0 interface,
B . The mpls te cspf command must be configured in the global MPLS view.
C . The maximum reserved bandwidth must not exceed the bandwidth of the tunnels.
D . The maximum reserved bandwidth must not exceed the bandwidth of the physical links.
E . The mpls te commit command must be configured on the Post/0/0 interface.

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Answer: A, B, D