Guarantee All Exams 100% Pass One Time!2018 NEW Cisco200-105:Interconnecting Cisco NetworkingDevices Part 2 (ICND2 v3.0) ExamQuestions and Answers RELEASED inBraindump2go.comOnline IT StudyWebsite Today!2018Braindump2goValid Cisco200-105ExamPreparation Materials:2018Latest539Q&As200-105PDF Dumps and VCE Dumps:QUESTION 16What is a difference between TACACS+ and RADIUS in AAA?A.Only TACACS+ allows for separate authentication.B.Only RADIUS encrypts the entire access-request packet.C.Only RADIUS uses TCP.D.Only TACACS+ couples authentication and authorization.Answer:Explanation:Authentication and AuthorizationRADIUS combines authentication and authorization. The access-accept packets sent by theRADIUS server to the client contain authorization information. This makes it difficult to decoupleauthentication and authorization.TACACS+ uses the AAA architecture, which separates AAA. This allows separate authenticationsolutions that can still use TACACS+ for authorization and accounting. For example, withTACACS+, it is possible to use Kerberos authentication and TACACS+ authorization andaccounting. After a NAS authenticates on a Kerberos server, it requests authorization informationfrom a TACACS+ server without having to re-authenticate. The NAS informs the TACACS+server that it has successfully authenticated on a Kerberos server, and the server then providesauthorization information. During a session, if additional authorization checking is needed, theaccess server checks with a TACACS+ server to determine if the user is granted permission touse a particular command. This provides greater control over the commands that can beexecuted on the access server while decoupling from the authentication mechanism.A
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