1Z0-1085-26 Core Oci Services Practice Question
How does OCI ensure that high-availability requirements are met within a single region?
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
✓
Availability Domains
Availability Domains (ADs) and Fault Domains (FDs) provide physical isolation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Availability Domains
Why this is correct
ADs are isolated data centers within a region.
- ✗
Multiple VCNs
Why it's wrong here
VCNs are logical constructs.
- ✗
Multiple Load Balancers
Why it's wrong here
LBs are tools, not infrastructure redundancy.
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Global clusters
Why it's wrong here
OCI regions are regional, not global clusters.
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 Oracle exam blueprint
This 1Z0-1085-26 practice question is part of Courseiva's free Oracle 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 1Z0-1085-26 exam.