A、Information about port roles is sent to all switches.
B、RSTPs that are based on Cisco products require no additional configuration.
C、Features such as UplinkFast and BackboneFast are compatible with RSTP.
D、An RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements.
更多“avoid Layer 2 loops. Which two of the following are most probably the reasons for that preference?（）”相关的问题
A、The access layer is the first oversubscription point in a data center design. B、When using a Layer 2 loop-free design, VLANs are extended into the aggregation layer. C、When using a Layer 2 looped design, VLANs are not extended into the aggregation layer. D、When using a Layer 3 design,stateful services requiring Layer 2 connectivity are provisioned from the aggregation layer. E、The data center access layer provides the physical-level connections to the server resources and only operates at Layer 3.
A、A. Flex Links B、B. loop free U C、C. looped square D、D. looped triangle E、E. loop-tree inverted U
A、 The access layer is the first oversubscription point in a data center design. B、 When using a Layer 2 loop-free design， VLANs are extended into the aggregation layer. C、 When using a Layer 2 looped design， VLANs are not extended into the aggregation layer. D、 When using a Layer 3 design， stateful services requiring Layer 2 connectivity are provisionedfrom the aggregation layer. E、 The data center access layer provides the physical-level connections to the server resourcesand only operates at Layer 3.
A、provides loop-free technology B、manages additional routing peers C、provides HSRP/VRRP D、manages two nodes and configuration
A、Design 1 is a looped triangle design. B、Design 2 is a looped triangle design. C、Design 2 achieves quick convergence using RSTP. D、Both designs supportstateful services at the aggregation layer. E、Design 2 is the most widely deployed in enterprise data centers.
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