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Exam Overview
Exam Code Secure-Software-Design
Exam Name WGUSecure Software Design (KEO1) Exam
Vendor WGU
Total Questions 118
Last Updated 26-Oct, 2026
Free Secure-Software-Design Questions Get Premium Access
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Free Secure-Software-Design Practice Questions

Explore 4 free practice questions for the WGU Secure-Software-Design exam and review the answers and explanations to support your preparation.

  1. Question 1

    Single answer

    What is a best practice of secure coding?

    • Option A:
      Planning
      Correct
    • Option B:
      Session management
      Correct
    • Option C:
      User acceptance testing
      Correct
    • Option D:
      Microservices
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: B

    Explanation

    Session management is a core component of secure coding, which involves maintaining the state of
    a user’s interaction with a system. Proper session management can help protect against various
    security vulnerabilities, such as session hijacking and session fixation attacks. It is essential for
    ensuring that user data is handled securely throughout an application’s workflow.
    Reference: The OWASP Secure Coding Practices guide emphasizes the importance of implementing
    secure coding standards, which include robust session management1. Additionally, Snyk’s secure
    coding practices highlight the significance of access control, including authentication and
    authorization, as fundamental to protecting a system2. These resources align with the concept that
    effective session management is a best practice in secure coding.

  2. Question 2

    Single answer

    What sits between a browser and an internet connection and alters requests and responses in a way
    the developer did not intend?

    • Option A:
      Load testing
      Correct
    • Option B:
      Input validation
      Correct
    • Option C:
      Intercept proxy
      Correct
    • Option D:
      Reverse engineering
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: C

    Explanation

    An intercept proxy, also known as a proxy server, sits between a web client (such as a browser) and
    an external server to filter, monitor, or manipulate the requests and responses passing through it.
    This can be used for legitimate purposes, such as security testing and user privacy, but it can also be
    exploited by attackers to alter web traffic in a way that the developer did not intend, potentially
    leading to security vulnerabilities.
    Reference:
    Understanding of HTTP and HTTPS protocols12.
    Definition and role of proxy servers3.

  3. Question 3

    Single answer

    Which software-testing technique can be automated or semi-automated and provides invalid,
    unexpected, or random data to the inputs of a computer software program?

    • Option A:
      Fuzzing
      Correct
    • Option B:
      Static analysis
      Correct
    • Option C:
      Dynamic analysis
      Correct
    • Option D:
      Bugtraq
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A

    Explanation

    Fuzzing is an automated or semi-automated software testing technique that involves providing
    invalid, unexpected, or random data to the inputs of a computer program1. This process is designed
    to uncover coding errors, security vulnerabilities, and other potential issues within the software by
    observing how it behaves under unexpected or malformed inputs. Fuzzing is particularly effective
    because it can expose corner cases that have not been properly dealt with and can be used to test
    programs that take structured inputs, such as file formats or protocols2

  4. Question 4

    Single answer

    What refers to the review of software source code by developers other than the original coders to try
    to identify oversights, mistakes, assumptions, a lack of knowledge, or even experience?

    • Option A:
      User acceptance testing
      Correct
    • Option B:
      Manual peer review
      Correct
    • Option C:
      Fault injection
      Correct
    • Option D:
      Dynamic code review
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: B

    Explanation

    Manual peer review refers to the systematic examination of software source code by
    developers other than the original author. This practice is recognized as a valuable tool for reducing
    software defects and improving the quality of software projects. It involves developers inspecting the
    code to find and fix mistakes overlooked in the initial development phase, which enhances both the
    overall quality of software and the developers’ skills. Peer code review is less formal and more
    “lightweight” than the code inspections performed in the past, and it provides benefits such as
    knowledge transfer, increased team awareness, and creation of alternative solutions to problems.
    Reference: Expectations, Outcomes, and Challenges Of Modern Code Review1 Introduction to
    Software Engineering/Quality/Code Review2 Software Security during Modern Code Review: The
    Developer’s Perspective3