CCNA - AAA Questions

B. True

AAA stands for authentication, authorization, and accounting. A. False B. True

B. Authentication identifies users and accounting tracks user services Authentication: Specify who you are (usually via login username & password) Authorization: Specify what actions you can do, what resource you can access Accounting: Monitor what you do, how long you do it

How do AAA operations compare regarding user identification, user services and access control? A. Authorization provides access control and authentication tracks user services B. Authentication identifies users and accounting tracks user services C. Accounting tracks user services, and authentication provides access control D. Authorization identifies users and authentication provides access control

C. testing1234 Enable secret overrides enable password

Refer to the exhibit. Which password must an engineer use to enter the enable mode? A. adminadmin123 B. default C. testing1234 D. cisco123

C. TACACS+ separates authentication and authorization, and RADIUS merges them RADIUS is mainly a network access protocol for user authentication, whereas TACACS+ is predominantly used for administrating network devices like routers and switches

What is a difference between RADIUS and TACACS+? A. RADIUS is most appropriate for dial authentication, but TACACS+ can be used for multiple types of authentication B. TACACS+ encrypts only password information and RADIUS encrypts the entire payload C. TACACS+ separates authentication and authorization, and RADIUS merges them D. RADIUS logs all commands that are entered by the administrator, but TACACS+ logs only start, stop, and interim commands

C. Authentication identifies and verifies a user who is attempting to access a system, and authorization controls the tasks the user can perform Authentication: Specify who you are (usually via login username & password) Authorization: Specify what actions you can do, what resource you can access Accounting: Monitor what you do, how long you do it

What is the primary difference between AAA authentication and authorization? A. Authentication verifies a username and password, and authorization handles the communication between the authentication agent and the user database B. Authentication identifies a user who is attempting to access a system, and authorization validates the users password C. Authentication identifies and verifies a user who is attempting to access a system, and authorization controls the tasks the user can perform D. Authentication controls the system processes a user can access and authorization logs 9ie activities the user initiates

D. It enables AAA services on the device.

Which effect does the aaa new-model configuration command have? A. It configures the device to connect to a RADIUS server for AAA. B. It configures a local user on the device. C. It associates to RADIUS server to an AAA group. D. It enables AAA services on the device.