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Exam 350-501 topic 1 question 291 discussion

Actual exam question from Cisco's 350-501
Question #: 291
Topic #: 1
[All 350-501 Questions]

A network operator working for a private outsourcing company with an employee id: 4261:72:778 needs to limit the malicious traffic on their network. Which configuration must the engineer use to implement URPF loose mode on the GigabitEthernet0/1 interface?

  • A. router(config)# interface gigabitethernet0/1 router(config-if)# ip address 192.168.200.1 255.255.255.0 router(config-if)# ip verify unicast source reachable-via any router(config-if)# ipv6 address 2001:DB8:1::1/96 router(config-if)# ipv6 verify unicast source reachable-via any
  • B. router(config)# interface gigabitethernet0/1 router(config-if)# ip address 192.168.200.1 255.255.255.0 router(config-if)# ip verify unicast source reachable-via rx router(config-if)# ipv6 address 2001:DB8:1::1/96 router(config-if)# ipv6 verify unicast source reachable-via rx
  • C. router(config)# interface gigabitethernet0/1 router(config if)# ip address 192.168.200.1 255.255.255.0 router(config-if)# ip verify unicast source reachable-via rx router(config-if)# ipv6 address 2001:DB8:1::1/96 router(config-if)# ipv6 verify unicast source reachable-via any
  • D. router(config)# interface gigabitethernet0/1 router(config-if)# ip address 192.168.200.1 255.255.255.0 router(config-if)# ip verify unicast source reachable-via any router(config-if)# ipv6 address 2001:DB8:1::1/96 router(config-if)# ipv6 verify unicast source reachable-via rx
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Suggested Answer: A 🗳️

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ccie_race
Highly Voted 1 year, 6 months ago
remember any any :)
upvoted 9 times
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RoburPace
Most Recent 7 months, 2 weeks ago
“reachable-via any” must be configured for Loose mode on both IPv4 & IPv6. https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/sec_data_urpf/configuration/xe-3s/sec-dataurpf-xe-3s-book/sec-unicast-rpf-loose-mode.html
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