CLCOR Cloud And Hybrid Services Practice Question
Which THREE of the following are required for the successful operation of the Webex Hybrid Calendar service? (Choose three)
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
✓
A valid configuration in Control Hub.
The Hybrid Calendar requires a properly configured service account, the connector host (Expressway), and an integration configuration in Control Hub.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
A valid configuration in Control Hub.
Why this is correct
The cloud-side configuration ties the connector to the tenant.
- ✓
An Expressway-C node.
Why this is correct
The connector must run on an Expressway host.
- ✗
A Cisco Unified Communications Manager cluster.
Why it's wrong here
CUCM is not required for the Calendar service.
- ✗
A public PSTN trunk.
Why it's wrong here
PSTN connectivity is irrelevant to the calendar service.
- ✓
A service account in the Exchange/O365 environment.
Why this is correct
The service account acts as the engine to read calendar data.
About these practice questions
Courseiva writes every CLCOR question from scratch — 263 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or 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.