CLCOR Cloud And Hybrid Services Practice Question
You are configuring Webex Hybrid Calendar with Microsoft 365. You want to ensure that 'Join' buttons appear on video devices for meetings. What must be configured?
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
✓
Webex Room devices must be registered to the same organization.
The 'One Button to Push' (OBTP) feature relies on the Hybrid Calendar service parsing the meeting invite and sending the join info to the device.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Webex Room devices must be registered to the same organization.
Why this is correct
For OBTP to work, the device must be known to the cloud platform hosting the calendar service.
- ✗
The Expressway-C must be in the DMZ.
Why it's wrong here
The Expressway-C should reside in the internal network.
- ✗
Microsoft 365 AutoDiscover must be enabled.
Why it's wrong here
While useful, it is not the core requirement for the 'Join' button feature.
- ✗
The user must have a Webex Calling license.
Why it's wrong here
OBTP works for meeting rooms that might not have a user-level calling license.
About these practice questions
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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.