300-410 ENARSI: Implementing Cisco Enterprise Advanced Routing and ServicesDemo

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QuestionQ11

Infrastructure Security

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Refer to the exhibit. Which configuration enables the operations Level 1 team of 10 engineers to log in to router R3 over HTTP using network credentials, with at least three engineers logged in simultaneously?

  • A R3(config)#ip http authentication enableR3(config)#no access-list 20 permit 172.16.10.48 0.0.0.15R3(config)#access-list 20 permit 172.16.10.48 0.0.0.7
  • B R3(config)#ip http max-connections 3R3(config)#ip http accounting commands 3 default
  • C R3(config)#ip http authentication aaaR3(config)#ip http max-connections 3
  • D R3(config)#ip http authentication aaaR3(config)#no access-list 20 permit 172.16.10.48 0.0.0.15R3(config)#access-list 20 permit 172.16.10.48 0.0.0.7
Explanation

ip http authentication aaa changes HTTP login authentication from local credentials to AAA-based network credentials. ip http max-connections 3 permits three concurrent HTTP-server connections. The existing ACL already permits the 172.16.10.48/28 subnet, so no ACL change is required.

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