1Z0-1072-26 Compute Practice Question
You have an existing compute instance with a standard boot volume size of 47 GB. Your application requires 200 GB. You successfully increase the boot volume size to 200 GB in the OCI Console. However, when you run `df -h` inside the guest OS, it still shows 47 GB. What is the cause?
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
✓
The guest OS partition and file system have not yet been resized to claim the expanded storage.
While OCI resizes the physical storage block device at the hypervisor level, the guest operating system partition and file system must be manually or automatically extended to utilize the new space.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The guest OS partition and file system have not yet been resized to claim the expanded storage.
Why this is correct
The OS file system must be extended after resizing the volume in the console.
- ✗
OCI does not support expanding boot volumes online; you must reboot the instance.
Why it's wrong here
Boot volume resizing is online in OCI, but the OS needs partition resizing.
- ✗
You must detach the boot volume and reattach it for the OS to notice the change.
Why it's wrong here
Detaching a boot volume from a running OS is not supported and unnecessary.
- ✗
Boot volumes have a hard cap of 50 GB unless converted to Block Volumes.
Why it's wrong here
Boot volumes can be scaled up to 32 TB in OCI.
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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 1Z0-1072-26 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 1Z0-1072-26 exam.