ISC Practice Question: Secure Operations Change Management And Disposal
In a Kubernetes environment, you are updating a security sidecar container. Which deployment strategy ensures zero downtime while maintaining security posture?
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
✓
RollingUpdate
Rolling updates allow for updating pods incrementally, ensuring the security sidecar is active throughout the transition.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Recreate
Why it's wrong here
Recreate causes downtime by killing all pods before starting new ones.
- ✗
Canary Release
Why it's wrong here
Canary testing is for feature validation, not necessarily for patching existing security sidecars.
- ✗
Blue/Green Deployment
Why it's wrong here
While safe, it is a deployment strategy, not a native update mechanism for a singular pod update.
- ✓
RollingUpdate
Why this is correct
RollingUpdate replaces pods gradually, maintaining service availability.
About these practice questions
This ISC question is part of Courseiva's 209-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 (ISC)² exam blueprint
This ISC practice question is part of Courseiva's free (ISC)² 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 ISC exam.