Which factor is least likely to affect the scalability of a VPN design？（）

单项选择题WhenconsideringthedesignoftheIPv6addressplanfortheEnterpriseCampusnetwork，whichofthefollowingshouldserveasguidance？（）

A. All the IPv6 subnets should use a /32 prefix
B. Set aside /31 prefixes to support point-to-point links and loopback interfaces
C. The IPv6 address plan should be designed to support the service block model design orintegration with IPv4
D. Designate 16 subnet bits to be split up intelligently， either by OSPF area. VLAN numbering， orIPv4 mapping

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