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【单选题】

In 802.1s, how is the VLAN to instance mapping represented in the BPDU?()

A、The VLAN to instance mapping is a normal 16-byte field in the MST BPDU.

B、The VLAN to instance mapping is a normal 12-byte field in the MST BPDU.

C、The VLAN to instance mapping is a 16-byte MD5 signature field in the MST BPDU.

D、The VLAN to instance mapping is a 12-byte MD5 signature field in the MST BPDU.

更多“In 802.1s, how is the VLAN to instance mapping represented in the BPDU?()”相关的问题
第1题

A、802.1D  B、802.1s  C、802.1w  D、802.1z  

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第2题

A、802.1s supports a reduced number of spanning-tree instances.  B、802.1s has better convergence times than 802.1w.  C、802.1s does not support load balancing over the same physical topology.  D、The CPU utilization for 802.1s is lower than the CPU utilization for 802.1w.  

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第3题

A、A. 802.1D  B、B. 802.1W  C、C. 802.1S  D、D. 802.1T  

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第4题

A、 802.1D  B、 802.1S  C、 802.1T  D、 802.1W  E、 Legacy  

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第5题

A、 802.1D  B、 802.1S  C、 802.1T  D、 802.1W  E、 Legacy  

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第8题

A、Only UplinkFast and BackboneFast are specified in 802.1w;PortFast must be manually configured.  B、Only PortFast is specified in 802.1w;UplinkFast and BackboneFast must be manually configured.  C、None of the proprietary Cisco enhancements are specified in 802.1w.  D、PortFast,UplinkFast,and BackboneFast are specified in 802.1w.  

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第9题

A、Only UplinkFast and BackboneFast are specified in 802.1w; PortFast must be manually configured.  B、Only PortFast is specified in 802.1w; UplinkFast and BackboneFast must be manually configured.  C、None of the proprietary Cisco enhancements are specified in 802.1w.  D、PortFast, UplinkFast, and BackboneFast are specified in 802.1w.  

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第10题

A、802.1D and 802.1w interoperate only when the 802.1D STP domain supports rapid convergence.  B、Ports leading to 802.1D devices will run in compatibility mode, while the rest of the ports will run in 802.1w mode.  C、This is an invalid configuration and a partial migration cannot be done.  D、The bridge timers will be set to match the 802.1D devices.  E、A secondary root bridge will always be populated within the 802.1D domain.  F、If the root bridge is selected within the 802.1D domain, the whole STP domain will run in 802.1D compatibility mode.  H、In partially migrated 802.1w networks, it is recommended to keep the STP diameter below 4.  

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