1Z0-1085-26 Core Oci Services Practice Question
You are configuring security rules for an OCI Virtual Cloud Network. What is the key difference between a Security List and a Network Security Group (NSG)?
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 apply to entire subnets, while NSGs apply to specific VNICs.
Security lists apply to all VNICs in a subnet, whereas NSGs apply to a specific set of VNICs chosen by the administrator.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Security Lists only support stateless rules, while NSGs only support stateful rules.
Why it's wrong here
Both security lists and NSGs support stateful and stateless rules.
- ✗
Security Lists apply to specific VNICs, while NSGs apply to entire subnets.
Why it's wrong here
This is the exact reverse of their actual behavior.
- ✗
Security Lists are regional, while NSGs are availability domain-specific.
Why it's wrong here
Both security lists and NSGs are regional VCN constructs.
- ✓
Security Lists apply to entire subnets, while NSGs apply to specific VNICs.
Why this is correct
Security lists are subnet-wide; NSGs are VNIC-specific.
Visual reference
About these practice questions
One of 378 original 1Z0-1085-26 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. 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.