An engineer has added the following configuration snippet to an implementation planning document. The configuration will be added to Router R1, whose Fa0/0 interface connects to a LAN to which Routers R2 and R3 also connect. R2 and R3 are already EIGRP neighbors with each other. Assuming the snippet shows all commands on R1 related to EIGRP authentication, which answer lists an appropriate comment to be made during the implementation plan peer review? key chain fred key 3 key-string whehew interface fa0/0 ip authentication key-chain eigrp 9 fred A. The configuration is missing one authentication-related configuration command. B. The configuration is missing two authentication-related configuration commands. C. Authentication type 9 is not supported; type 5 should be used insteaD. Â Suggested Answer: D. The key numbers must begin with key 1, so change the key 3 command to key 1. The configuration requires the ip authentication mode eigrp asn md5 command, which is currently missing. This command enables MD5-style authentication, rather than the default of no authentication. Adding this one command completes the configuration. Any valid key numbers can be used. Also, the 9 in the ip authentication key-chain eigrp 9 fred command refers to the EIGRP ASN, not an authentication type. This question is in 300-101 Cisco Implementing Cisco IP Routing (ROUTE) Exam For getting Cisco Certified Network Professional (CCNP) Routing and Switching Certificate Disclaimers: The website is not related to, affiliated with, endorsed or authorized by Cisco. Trademarks, certification & product names are used for reference only and belong to Cisco. The website does not contain actual questions and answers from Cisco's Certification Exam.
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