1Z0-1085-26 Core Oci Services Practice Question
To secure a subnet, you need to define rules that restrict traffic based on the source and destination at the packet level. Which OCI resource provides this stateful security?
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
✓
Security Lists
Security Lists provide stateful packet filtering for all VNICs in a subnet.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Network Security Groups (NSG)
Why it's wrong here
NSGs apply at the VNIC level, not the subnet level.
- ✓
Security Lists
Why this is correct
Security Lists are subnet-level firewall rules.
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Dynamic Routing Gateway
Why it's wrong here
DRG is for routing traffic between networks.
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Route Tables
Why it's wrong here
Route Tables manage traffic routing, not security filtering.
Visual reference
About these practice questions
Courseiva writes every 1Z0-1085-26 question from scratch — 378 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 1Z0-1085-26 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.