The Company network utilizes the Multiple-instance Spanning Tree protocol in its switched LAN.   Which three statements about the MST protocol (IEEE 802.1S) are true? ()

A .  To verify the MST configuration, the show pending command can be used in MST configuration  mode. B .  When RSTP and MSTP are configured; UplinkFast and BackboneFast must also be enabled. C .  All switches in the same MST region must have the same VLAN-to-instance mapping, but  different configuration revision numbers. D .  All switches in an MST region, except distribution layer switches, should have their priority  lowered from the default value 32768. E .  An MST region is a group of MST switches that appear as a single virtual bridge to adjacent  CST and MST regions. F .  Enabling MST with the "spanning-tree modemst" global configuration command also enables  RSTP.

时间:2022-10-02 09:03:35 所属题库:CCNP(642-813)题库

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