單項選擇題Distribution layer: This layer includes LAN-based routers and layer 3 switches . When is a first-hop redundancy protocol needed in the distribution layer?()

A. OSPF is not supported by the design
B. HSRP is not supported by the design
C. preempt tuning of the default gateway is needed
D. the design implements Layer 3 between the access switch and the distribution switch


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2.單項選擇題The VPN termination function provides the ability to connect two networks together securely over the internet. Which of these is true of IP addressing with regard to VPN termination?()

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4.多項選擇題You are the Cisco Network Designer in Cisco.com. Which of these are important when determining how many users a NAS can support?()

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5.單項選擇題Which VPN management feature would be considered to ensure that the network had the least disruption of service when making topology changes?()

A. dynamic reconfiguration
B. path MTU discovery
C. auto setup
D. remote management

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