1Z0-1072-26 Networking Practice Question
Which THREE statements regarding OCI NAT Gateway behavior are correct?
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
✓
Instances behind a NAT Gateway can initiate outbound connections to the internet.
NAT Gateways allow private subnet instances to initiate outbound connections to the internet, they scale automatically, and they do not accept inbound connections initiated 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.
- ✗
NAT Gateways require compute instances to have public IP addresses.
Why it's wrong here
Private instances using a NAT Gateway do not need public IP addresses.
- ✓
Instances behind a NAT Gateway can initiate outbound connections to the internet.
Why this is correct
Outbound internet connectivity is the primary function of a NAT Gateway.
- ✓
NAT Gateways scale automatically to meet traffic demands.
Why this is correct
OCI NAT Gateways are fully managed and scale automatically.
- ✗
NAT Gateways replace the need for an Internet Gateway in public subnets.
Why it's wrong here
Public subnets use Internet Gateways, whereas private subnets use NAT Gateways.
- ✓
External hosts on the internet cannot initiate inbound connections to private instances through a NAT Gateway.
Why this is correct
NAT Gateways are strictly unidirectional for outbound traffic initiated from the private subnet.
Visual reference
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This 1Z0-1072-26 question is part of Courseiva's 524-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam 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.