CCIE系列认证章节练习(2019.05.04)

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1 Which three protocols or applications should be placed in a class that is configured with WRED？（）

2 Unicast Reverse Path Forwarding （Urpf ） can work in the following modes：（）

3 Refer to the exhibit. This exhibit shows the NAT configuration for Router A and the output for a ping issued from device 171.68.200.48 and destined to 172.16.47.142. Based on this information, what change must be made to Router A in order for the ping to work?（）

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4 Two routers configured to run BGP have been connected to a firewall， one on the inside interface and one on the outside interface. BGP has been configured so the two routers should peer， including the correctBGP session endpoint addresses and the correct BGP session hop-count limit EBGP multihop. What is agood first test to see if BGP will work across the firewall？（）

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5 Cisco UCS provides integration interfaces and protocols to support heterogeneous data center environments and supports standard monitoring and event notification systems， providing data to standard enterprise-management tools. Which two of these list the primary Cisco UCS interfaces and industry standard-based read-only interfaces？（）

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6.问答题what is the NAT overloading？

参考答案：Overloading—a form of dynamic NAT...

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7 Which Ethernet field is used to differentiate between the FCoE frame and the FIP frame？（）

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8 Two routers configured to run BGP have been connected to a firewall， one on the inside interface and one on the outside interface. BGP has been configured so the two routers should peer， including the correct BGP session endpoint addresses and the correct BGP session hop-count limit （EBGP multihop）. What is a good first test to see if BGP will work across the firewall？（）

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9 Given a host with two NICs assigned to a N1k profile，which topologies are suitable for this type of configuration （）
port-profile type Ethernet name VM-Data
vmware port-group
switchport mode trunk
switchport allowed vlan 400-410
channel-group auto mode active
no shut
state enabled

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10 Refer to exhibits 1 and 2. A company uses a Metro Ethernet （Gigabit Ethernet） dedicated circuit to communicate between users （subnet B） and servers （subnet A） as shown in Exhibit 1. Both routers use OSPF to advertise the subnets. During a weekly management meeting， they realize that the WAN link is oversize. They have been using only 2 Mb/s in the worst-case scenario. So they propose a new， cheaper WAN connection using a 2-Mb/s Frame-Relay point-to-point link to interconnect both sites （Exhibit 2）. The Frame Relay service provider informs them that multicast traffic is not allowed to run over the service provider network. Which one of these options is best to enable the company to establish the OSPF neighbor adjacency？（）

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