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

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


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1.單項選擇題When designing the routing for an Enterprise Campus network it is important to keep while of thefollowing filtering aspects in mind？（）

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

2.單項選擇題Which EIGRP feature should a designer consider to limit the scope of EIGRP queries andminimize convergence time？（）

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

3.單項選擇題When designing remote access to the Enterprise Campus network for teleworkers and mobileworkers， which of the following should the designer consider？（）

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

4.多項選擇題Which four Cisco priority Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning Tree？ （）

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

5.單項選擇題he requirement for high availability within the Data Center network may cause the designer toconsider which one of the following solutions？（）

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

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