1Z0-1085-26 Core Oci Services Practice Question
You are managing a mission-critical database workload on an OCI Block Volume. The workload experiences extremely high and unpredictable I/O bursts, requiring the highest possible IOPS performance per volume. Which performance tier should you select?
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
✓
Ultra High Performance
Ultra High Performance is the highest performance tier available for OCI Block Volumes, designed for workloads with intensive I/O requirements and high IOPS demands.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Higher Performance
Why it's wrong here
Higher Performance is a standard high-tier option, but Ultra High Performance is specifically designed for extreme burst requirements.
- ✗
Lower Cost
Why it's wrong here
Lower Cost is optimized for large sequential data streaming and archival where cost is the primary factor, offering minimal IOPS.
- ✓
Ultra High Performance
Why this is correct
Ultra High Performance is engineered for the most demanding workloads, providing the highest IOPS and throughput per volume.
- ✗
Balanced
Why it's wrong here
Balanced is designed for workloads with lower performance requirements, such as boot volumes or standard databases, not extreme I/O bursts.
About these practice questions
Courseiva writes every 1Z0-1085-26 question from scratch — 378 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 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.