300-410 · Question #99
300-410 Question #99: Real Exam Question with Answer & Explanation
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Question
Refer to the exhibit. Which option represents the minimal configuration that allows inbound traffic from the 172.16.1.0/24 network to successfully enter router R, while also limiting spoofed 10.0.0.0/8 hosts that could enter router R? Fa0/0 192.168.1.5 Fa0/1 10.1.1.5 R R(config)#ip route 10.0.0.0 255.0.0.0 FastEthernet0/1 R(config)#ip route 0.0.0.0 0.0.0.0 FastEthernet 0/0
Options
- A(config)#ip cef (config)#interface fa0/0 (config)#ip verify unicast source reachable-via rx allow-default
- B(config)#ip cef (config)#interface fa0/0 (config)#ip verify unicast source reachable-via rx
- C(config)#no ip cef (config)#interface fa0/0 (config-if)#ip verify unicast source reachable-via rx
- D(config)#interface fa0/0 (config-if)#ip verify unicast source reachable-via any
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