ISC Infrastructure And System Security Practice Question
You are architecting a cloud-based application that needs to share secrets between two different cloud environments (AWS and Azure). What is the most secure way to exchange credentials?
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
✓
Use OIDC federation between cloud providers.
Using a federation-based approach with an identity provider that supports OIDC (OpenID Connect) allows for secure, temporary, and audited credential exchange without storing static long-lived keys.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Use OIDC federation between cloud providers.
Why this is correct
OIDC provides a standardized and secure way to exchange identity claims.
- ✗
Email the credentials to the other team.
Why it's wrong here
Never email credentials.
- ✗
Use a shared S3 bucket to store keys.
Why it's wrong here
Storing keys in a bucket is insecure.
- ✗
Hardcode credentials in both environments.
Why it's wrong here
This is a critical security violation.
About these practice questions
One of 208 original ISC 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 (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.