When considering the design of the IPv6 address plan for the Enterprise Campus network， whichof the following should serve as guidance？（）

单项选择题WhendesigningtheroutingforanEnterpriseCampusnetworkitisimportanttokeepwhileofthefollowingfilteringaspectsinmind？（）

A. Filtering is only useful when combined with route summarization
B. It is best to filter （allow） the default and summary prefixes only in the Enterprise Edge to remotesites or site-to-site IPsec VPN networks
C. IGPs （for example EIGRP or OSPF） are superior to route filtering in avoiding in inappropriatetransit traffic through remote nodes or inaccurate or inappropriate routing updates
D. The primary limitation of router filtering is that it can only be applied on outbound updates

单项选择题WhichEIGRPfeatureshouldadesignerconsidertolimitthescopeofEIGRPqueriesandminimizeconvergencetime？（）

A. Using multiple EIGRP processes
B. Tuning down the EIGRP delay parameter
C. FIGRP stub routing
D. Limiting the number of EIGRP neighbor per device

单项选择题WhendesigningremoteaccesstotheEnterpriseCampusnetworkforteleworkersandmobileworkers，whichofthefollowingshouldthedesignerconsider？（）

A. It is recommended to place the VPN termination device in line with the Enterprise Edge 1
B. Maintaining access rules， based on the source IP of the client， on an internal firewall drawnfrom a headend RADIUS server is the most secure deployment
C. VPN Headend routing using Reverse Route Injection （RRI） with distribution is recommended when the remote user community is small and dedicated DHCP scopes are in place
D. Clientless SSL VPNs provide more granular access control than SSL VPN clients （thin or thick），including at Layer 7

多项选择题WhichfourCiscoprioritySpanningTreeProtocolenhancementsaresupportedwithrapidper-VLANSpanningTree？（）

A. PortFast
B. UplinkFast
C. loop guard
D. root guard
E. BPDU guard
F. BackboneFast

单项选择题herequirementforhighavailabilitywithintheDataCenternetworkmaycausethedesignertoconsiderwhichoneofthefollowingsolutions？（）

A. Construct a hierarchical network design using EtherChannel between a server and two VDCsfrom the same physical switch
B. Utilize Cisco NSF with SSO to provide intrachassis SSO at Layers 2 to 4
C. Define the Data Center as an OSPF NSSA area， advertising a default route into the DC And summarizing the routes out of the NSSA to the Campus Core
D. Implement network services for the Data Center as a separate services layer usingactive/active model that is more predictable in failure conditions