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单选题
Which unique characteristics of the Data Center Aggregation layer must be considered by an Enterprise Campus designer？（）
A
Layer 3 routing between the Access and Aggregation layers facilities the ability to span VLANsacross multiple access switches， which is a requirement for many server virtualization andclustering technologies.
B
“East-west” server-to-server traffic can travel between aggregation modules by way of the core，but backup and replication traffic typically remains within an aggregation module.
C
Load balancing， firewall service， and other network service are commonly integrated by the useof service modules that are inserted in the aggregation switched.
D
Virtualization tools allow a cost effective approach for redundancy in the network design byusing two or four VDCs from the same physical switch.
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更多 “单选题Which unique characteristics of the Data Center Aggregation layer must be considered by an Enterprise Campus designer？（）A Layer 3 routing between the Access and Aggregation layers facilities the ability to span VLANsacross multiple access switches， which is a requirement for many server virtualization andclustering technologies.B “East-west” server-to-server traffic can travel between aggregation modules by way of the core，but backup and replication traffic typically remains within an aggregation module.C Load balancing， firewall service， and other network service are commonly integrated by the useof service modules that are inserted in the aggregation switched.D Virtualization tools allow a cost effective approach for redundancy in the network design byusing two or four VDCs from the same physical switch.” 相关考题
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Which two design recommendations are most appropriate when EIGRP is the data center core routing protocol?()
A. Summarize data center subnets.B. Use passive interfaces to ensure appropriate adjacencies.C. Tune the EIGRP timers to enable EIGRP to achieve quicker convergence.D. Adjust the default bandwidth value to ensure proper bandwidth on all links.E. Advertise a default summary route into the data center core from the aggregation layer.
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Which unique characteristics of the Data Center Aggregation layer must be considered by an Enterprise Campus designer？（）A、 Layer 3 routing between the Access and Aggregation layers facilities the ability to span VLANsacross multiple access switches， which is a requirement for many server virtualization andclustering technologies.B、 “East-west” server-to-server traffic can travel between aggregation modules by way of the core，but backup and replication traffic typically remains within an aggregation module.C、 Load balancing， firewall service， and other network service are commonly integrated by the useof service modules that are inserted in the aggregation switched.D、 Virtualization tools allow a cost effective approach for redundancy in the network design byusing two or four VDCs from the same physical switch.
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Which two design recommendations are most appropriate when EIGRP is the data center corerouting protocol？ （）A、 Summarize data center subnets.B、 Use passive interfaces to ensure appropriate adjacencies.C、 Tune the EIGRP timers to enable EIGRP to achieve quicker convergence.D、 Adjust the default bandwidth value to ensure proper bandwidth on all links.E、 Advertise a default summary route into the data center core from the aggregation layer.
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Which statement about data center access layer design modes is correct?（）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.
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单选题Which statement about data center access layer design modes is correct？（）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.
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