1Z0-1072-26 Networking Practice Question
You are designing an OCI VCN and need to configure DNS so that instances can resolve custom internal domain names as well as internet domain names. Which OCI VCN Resolver feature should you utilize?
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
✓
VCN Resolver custom forwarders
The VCN Resolver handles DNS resolution for instances. You can configure custom DNS forwarders in the VCN Resolver to forward queries for specific private domains to internal DNS servers while resolving internet queries normally.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Internet Gateway DNS proxy
Why it's wrong here
Internet Gateways do not manage DNS forwarding.
- ✗
Service Gateway name server
Why it's wrong here
Service Gateways route traffic to Oracle Services, not DNS forwarding.
- ✗
NAT Gateway DNS translation
Why it's wrong here
NAT Gateways do not provide DNS resolution or forwarding.
- ✓
VCN Resolver custom forwarders
Why this is correct
Custom forwarders allow the VCN resolver to route specific private domain queries to internal name servers.
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.