1Z0-1085-26 Core Oci Services Practice Question
A network engineer is configuring a Site-to-Site VPN between an on-premises data center and an OCI VCN. To ensure high availability, the setup requires multiple customer-premises equipment (CPE) public IP addresses communicating with distinct Oracle VPN tunnel endpoints on the DRG. How many default tunnels does each OCI VPN connection provision per DRG attachment?
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
✓
Two tunnels
Each OCI Site-to-Site VPN connection automatically provisions two redundant tunnels terminating on distinct OCI gateway hardware endpoints for high availability.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Eight tunnels
Why it's wrong here
Eight tunnels exceed the default OCI Site-to-Site VPN architecture.
- ✓
Two tunnels
Why this is correct
OCI Site-to-Site VPN provides two distinct tunnels per connection by default for high availability.
- ✗
One tunnel
Why it's wrong here
A single tunnel represents a single point of failure and does not meet high availability best practices.
- ✗
Four tunnels
Why it's wrong here
By default, OCI provisions two tunnels per VPN connection, not four.
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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 1Z0-1085-26 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 1Z0-1085-26 exam.