单项选择题
Which of these recommendations is most appropriate for the core layer in the Cisco Campus Architecture？（）
A. Utilize Layer 3 switching
B. Utilize software accelerated services
C. Aggregate end users and support a feature-rich environment
D. Perform packet manipulation and filtering at the core layer
E. Use redundant point to-point Layer 2 interconnections when where is a link or node failure.
相关考题
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单项选择题
Thereare3stepstoconfirmwhetherarangeofIPaddresscanbesummarized.Whenofthefollowingisusedineachofthese3steps？（）
A. The first number in the contiguous block of addresses
B. The last number in the contiguous block of addresses
C. The size of the contiguous block of addresses
D. The subnet mask of the original network address -
多项选择题
WhichtworestrictionsmusttheEnterpriseCampusnetworkdesignerconsiderwhenevaluatingWANconnectivityoptions？（）
A. OSPF over multicast EMS or VPLS network may not have consistent broadcast or multicastperformance
B. IP multicast is not supported over Lover 3 MPLS VPN； instead a Layer 2 MPLS WN must beutilized with service provider support
C. QoS requirements with MPLS-VPN must be implemented by the service provider
D. Hierarchical VPLS designs are the least scalable
E. IGMP snooping is not on option with VPLS or EMS； instead administrative scoping or allowingsufficient bandwidth for unnecessary multicast traffic at the edge links is required -
单项选择题
WhichtechnologyisanexampleoftheneedforadesignertoclearlydefinefeaturesanddesignedperformancewhendesigningadvancedWANserviceswithaserviceprovider？（）
A. FHRP to remote branches.
B. Layer 3 MPLS VPNs routing.
C. Control protocols （for example Spanning Tree Protocol） for a Layer 3 MPLS service.
D. Intrusion prevention， QoS， and stateful firewall support network wide.
