1Z0-1072-26 Networking Practice Question
What is the primary function of an OCI NAT Gateway?
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
✓
To allow private subnet instances to initiate outbound connections to the internet while blocking inbound connections.
A NAT Gateway enables instances in a private subnet to initiate outbound connections to the internet (e.g., for software patches) without accepting inbound connections from the internet.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
To allow private subnet instances to initiate outbound connections to the internet while blocking inbound connections.
Why this is correct
NAT Gateways provide unidirectional outbound internet access for private resources.
- ✗
To peer two VCNs in the same region.
Why it's wrong here
VCN peering uses Local Peering Gateways.
- ✗
To allow inbound internet traffic to reach private database instances securely.
Why it's wrong here
NAT Gateways do not allow unsolicited inbound internet connections.
- ✗
To connect on-premises datacenters to OCI VCNs.
Why it's wrong here
On-premises connectivity uses a DRG, not a NAT Gateway.
Visual reference
About these practice questions
Courseiva writes every 1Z0-1072-26 question from scratch — 524 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 1Z0-1072-26 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.