多选题Which four of these statements are restrictions for Frame Relay PVC bundles with QoS support for IP and MPLS？ （）AA PVC bundle will not come up unless all the precedence， DSCP， and EXP levels are configured in thebundle.BA PVC bundle can perform precedence and DSCP matching at the same timeCA PVC bundle may contain no more than sixteen PVCsDA PVC can be in only one PVC bundleEA PVC bundle cannot perform precedence and DSCP matching at the same time.FA PVC bundle may contain no more than eight PVCs.
多选题
Which four of these statements are restrictions for Frame Relay PVC bundles with QoS support for IP and MPLS？ （）
A
A PVC bundle will not come up unless all the precedence， DSCP， and EXP levels are configured in thebundle.
B
A PVC bundle can perform precedence and DSCP matching at the same time
C
A PVC bundle may contain no more than sixteen PVCs
D
A PVC can be in only one PVC bundle
E
A PVC bundle cannot perform precedence and DSCP matching at the same time.
F
A PVC bundle may contain no more than eight PVCs.
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