1Z0-1072-26 Networking Practice Question
Which TWO statements are true regarding OCI VCN subnets?
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
✓
Subnets can be designated as either public or private upon creation.
Subnets can be regional or availability domain-specific (though regional subnets are recommended), and they can be designated as either public or private during creation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Subnets can span across multiple different VCNs.
Why it's wrong here
Subnets belong exclusively to a single VCN.
- ✓
Subnets can be designated as either public or private upon creation.
Why this is correct
You choose whether a subnet is public or private when you create it.
- ✗
Every subnet must have an Internet Gateway attached directly to it.
Why it's wrong here
Private subnets do not connect to Internet Gateways.
- ✓
Subnets can be regional, spanning all Availability Domains in a region.
Why this is correct
Regional subnets are the default and recommended best practice in OCI.
- ✗
A subnet's CIDR block can be modified after it is created.
Why it's wrong here
Subnet CIDR blocks cannot be modified after creation.
Visual reference
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 1Z0-1072-26 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.