Free WGU Secure-Software-Design Exam Practice Questions & Explanations

Last updated on: Aug 25, 2026
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Question 1

Which design and development deliverable contains the results of each type of evaluation that was performed and the type and number of vulnerabilities discovered?

Answer Options
Correct Answer: B
Explanation

Security testing reports are the deliverables that typically contain detailed results of the security evaluations performed. These reports include the types of tests conducted, such as static and dynamic analysis, penetration testing, and code reviews, as well as the number and types of vulnerabilities discovered. The purpose of these reports is to document the security posture of the software at the time of testing and to provide a basis for remediation efforts.

Question 2

The final security review determined that two low-risk security issues identified in testing are still outstanding. Developers have assured the security team that both issues can be resolved quickly once they have time to fix them. The security team is confident that developers can fix the flaws in the first post-release patch.

What is the result of the final security review?

Answer Options
Correct Answer: C
Question 3

The product team has been tasked with updating the user interface (UI). They will change the layout and also add restrictions to field lengths and what data will be accepted.

Which secure coding practice is this?

Answer Options
Correct Answer: A
Explanation

Comprehensive and Detailed Explanation From Exact Extract:

This is an example of Input validation, which involves ensuring all user inputs conform to expected formats, lengths, and content before processing. Restricting field lengths and validating accepted data types prevents injection attacks, buffer overflows, and improper data handling. Access control (B) restricts user permissions, communication security (C) protects data in transit, and data protection (D) focuses on confidentiality and integrity of stored data. OWASP Secure Coding Practices and Microsoft SDL emphasize rigorous input validation as a first line of defense against many vulnerabilities.


OWASP Secure Coding Practices - Input Validation

Microsoft SDL Secure Coding Guidelines

NIST SP 800-53: Security and Privacy Controls for Information Systems

Question 4

Which secure coding best practice ensures sensitive information is not disclosed in any responses to users, authorized or unauthorized?

Answer Options
Correct Answer: D
Explanation

Comprehensive and Detailed In-Depth Explanation:

Preventing the disclosure of sensitive information in application responses is primarily addressed by implementing proper Error Handling and Logging practices.

When errors occur, applications may inadvertently reveal sensitive data through detailed error messages. To mitigate this risk, error handling mechanisms should be designed to provide generic error messages to end-users, while detailed error information is logged securely for internal review. This approach ensures that sensitive information, such as system configurations, stack traces, or personal data, is not exposed to unauthorized users.

The OWASP Secure Coding Practices emphasize the importance of error handling and logging to prevent information leakage:

'Ensure that error messages displayed to users do not reveal sensitive information that can be exploited by attackers.'


OWASP Secure Coding Practices - Quick Reference Guide

Question 5

The software security team is performing security testing on a new software product using a testing tool that scans the running application for known exploit signatures.

Which security testing technique is being used?

Answer Options
Correct Answer: A
Explanation

The security testing technique that involves using a testing tool to scan a running application for known exploit signatures is known as Automated Vulnerability Scanning. This method is part of dynamic analysis, which assesses the software in its running state to identify vulnerabilities that could be exploited by attackers. Automated vulnerability scanning tools are designed to detect and report known vulnerabilities by comparing the behavior and outputs of the application against a database of known exploit signatures1.