ICA Resilience And Fault Injection Practice Question
What is the default timeout for an HTTP request in Istio when no VirtualService is defined?
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
✓
15 seconds
Istio defaults to 15 seconds for request timeouts if not explicitly configured.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
5 seconds
Why it's wrong here
The default is longer than 5 seconds.
- ✓
15 seconds
Why this is correct
15 seconds is the standard default timeout value in the Envoy proxy configuration managed by Istio.
- ✗
10 seconds
Why it's wrong here
Incorrect value.
- ✗
30 seconds
Why it's wrong here
30 seconds is a common application timeout but not the Istio default.
- ✗
60 seconds
Why it's wrong here
Too long for the default.
- ✗
0 (no timeout)
Why it's wrong here
Istio does not default to an infinite timeout.
About these practice questions
This ICA question is part of Courseiva's 292-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 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.