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简答题What is method list for configure aaa？
  • A method list is a sequential list that defines the authentication methods used to authenticate a user. Method lists enable you to designate one or more security protocols to be used for authentication， thus ensuring a backup system for authentication in case the initial method fails. Cisco IOS software uses the first method listed to authenticate users； if that method does not respond， Cisco IOS software selects the next authentication method in the method list. This process continues until there is successful communication with a listed authentication method or the authentication method list is exhausted， in which case authentication fails.

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