ICA Securing Workloads Practice Question
You have an external service 'legacy-db' outside the mesh. You want to allow access to it from 'webapp' while ensuring 'webapp' presents a valid certificate. How is this achieved?
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
✓
Configure an Egress Gateway and use a DestinationRule with client-side mTLS certificates.
You must use an Egress Gateway with mTLS configured to the external service.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Apply a RequestAuthentication policy.
Why it's wrong here
RequestAuthentication is for JWT tokens.
- ✓
Configure an Egress Gateway and use a DestinationRule with client-side mTLS certificates.
Why this is correct
Egress Gateways can handle mTLS termination/origination for external traffic.
- ✗
Configure an Ingress Gateway.
Why it's wrong here
Ingress gateways handle incoming traffic, not outgoing.
- ✗
Use a PeerAuthentication policy on the external service.
Why it's wrong here
PeerAuthentication only works for services within the mesh.
About these practice questions
Courseiva writes every ICA question from scratch — 292 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 CNCF / Linux Foundation exam blueprint
This ICA practice question is part of Courseiva's free CNCF / Linux Foundation 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 ICA exam.