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300-810 · Question #25

Which authentication method allows a user to log in to an SSO-enabled Cisco Unified Communications application by utilizing a Microsoft Windows login, thereby not requiring any credentials to be…

The correct answer is D. Kerberos. Kerberos (D) is the authentication protocol that enables seamless Single Sign-On by leveraging an existing Windows login session. When a user logs into a Windows domain, the Kerberos Key Distribution Center (KDC) issues a Ticket Granting Ticket (TGT). When that user accesses an…

Single Sign-On for Collaboration Applications

Question

Which authentication method allows a user to log in to an SSO-enabled Cisco Unified Communications application by utilizing a Microsoft Windows login, thereby not requiring any credentials to be entered?

Options

  • ASmart Card
  • BOAuth
  • Cform-based
  • DKerberos

How the community answered

(30 responses)
  • A
    3% (1)
  • B
    3% (1)
  • D
    93% (28)

Explanation

Kerberos (D) is the authentication protocol that enables seamless Single Sign-On by leveraging an existing Windows login session. When a user logs into a Windows domain, the Kerberos Key Distribution Center (KDC) issues a Ticket Granting Ticket (TGT). When that user accesses an SSO-enabled Cisco UC application, the browser or client automatically presents a Kerberos service ticket - no additional credential entry is required. This is called Integrated Windows Authentication (IWA). Smart Card (A) requires physical card insertion and PIN entry. OAuth (B) is an authorization delegation framework, not a Windows-integrated authentication method. Form-based (C) explicitly requires the user to enter credentials into a web form.

Topics

#SSO#Kerberos#Windows Authentication#Cisco Unified Communications

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