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
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以下各选项中，属于指定内部转移价格应遵循的原则有（）。
A. 全局性原则
B. 公平性原则
C. 自主性原则
D. 重要性原则
E. 一致性原则
请参见图示。Switch1在默认的Cisco 2960配置基础上仅添加了如下命令： 假设网络间的路由运行正常且 Switch2 已正确配置了远程访问功能。当在 Switch1 的特权模式下输入telnet 10.0.2.2命令时会产生什么结果？（）
A. 将出现如下提示：User Access Verification Password：
B. Switch2将把目的地不可达的消息返回给Switch1
C. Router1将把目的地不可达的消息返回给Switch1
D. 数据包将被丢弃
Which of the following two statements about Cisco NSF and SSO are the most relevant to thenetwork designer？ （）
A. You can reduce outage 1 to 3 seconds by using SSO in Layer 2 environment or Cisco NSF withSSO in a Layer 3 environment.
B. SSO and NSF each require the device to either be graceful restart-capable or graceful-aware.
C. In a fully redundant topology adding redundant supervisor a with NSF and SSO may causelonger convergence times than single supervisors with turned IGP times
D. The primary deployment scenario for Cisco NSF with SSO is in the Distribution and Corelayers.
E. Cisco NSF-aware neighbor relationship are independent of any turned IGP times
以下为全文数据库的是（）。
A. proquest
B. cnki
C. 万方
D. 维普
E. pubmed
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