A routing protocol is required that supports: 1) routing update authentication 2) an addressing scheme that conserves IP addre

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问题 A routing protocol is required that supports:
1) routing update authentication
2) an addressing scheme that conserves IP addresses
3) multiple vendors
4) a network with over 50 routers
Which routing protocol fulfills these requirements?

选项 A、RIPv1
B、RIPv2
C、EIGRP
D、OSPF

答案D

解析首先RIPv1是不支持认证的，因此答案A我们可以排除。是支持多厂商的，因此是一个开放的标准的协议，可以排除EIGPR，因为这是个CISCO私有的协议。网络的大小可以超过50台路由器，那RIPv2就不满足了，因为RIP最大支持16跳。那么答案就是OSPF了。

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A routing protocol is required that supports: 1) routing update authentication 2) an addressing scheme that conserves IP addre

思科640802

思科认证

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