CSSLP Secure Software Architecture And Design Practice Question
Which TWO of the following design patterns improve the resilience of a secure system?
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
✓
Fail-safe defaults.
Fail-safe defaults and fail-secure design ensure systems remain in a known secure state upon failure.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Fail-safe defaults.
Why this is correct
Ensures security by default on failure.
- ✗
Allowing all traffic on port 80 for compatibility.
Why it's wrong here
This violates secure design principles.
- ✗
Security through obscurity.
Why it's wrong here
This is an anti-pattern.
- ✓
Fail-secure system design.
Why this is correct
Ensures the system does not leak information upon failure.
- ✗
Hard-coding credentials for quick recovery.
Why it's wrong here
Hard-coding is a security risk.
About these practice questions
Courseiva writes every CSSLP question from scratch — 198 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 (ISC)² exam blueprint
This CSSLP 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 CSSLP exam.