CLCOR Cloud And Hybrid Services Practice Question
You need to ensure that the Webex Hybrid Calendar service can access an Exchange 2019 environment. Which authentication method is recommended by Cisco for this deployment?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
OAuth 2.0
For Exchange 2019, modern authentication (OAuth) is the standard and recommended approach for security and compatibility.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Digest Authentication
Why it's wrong here
Digest is not supported for this integration.
- ✓
OAuth 2.0
Why this is correct
OAuth is the modern authentication protocol supported by Exchange 2019 and Webex Hybrid Services.
- ✗
Basic Authentication
Why it's wrong here
Basic authentication is being deprecated and is not recommended for hybrid services.
- ✗
Kerberos Constrained Delegation
Why it's wrong here
While used in some on-premises integrations, it is not the standard for Webex Hybrid Service connectivity.
About these practice questions
This CLCOR question is part of Courseiva's 263-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Cisco exam blueprint
This CLCOR practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CLCOR exam.