CompTIA Network+ Practice Test for Subdomain 4.1 #03

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Welcome to today’s CompTIA Network+ practice test!

This practice test uses our new UI!

Today’s practice test is based on Subdomain 4.1 (Explain the importance of basic network security concepts) from the CompTIA Network+ N10-009 objectives.

This beginner-level practice test is inspired by the CompTIA Network+ (N10-009) exam and is designed to help you reinforce key networking concepts on a daily basis.

These questions are not official exam questions, nor are they brain dumps, but they reflect topics and scenarios relevant to the Network+ certification. Use them to test your knowledge, identify areas for improvement, and build daily cybersecurity habits.

Note: CompTIA and Network+ are registered trademarks of CompTIA. This content is not affiliated with or endorsed by CompTIA.

To choose CompTIA Network+ practice tests based on specific domains/subdomains, click that link.

Recommended read: Ultimate CompTIA Network+ Study Guide (2026)

CompTIA Network+ Practice Test of the Day 260629
10 questions • Single best answer
Question 1
A network security engineer at a retail company must protect credit card data as it travels between point-of-sale terminals and the payment processing server. An attacker with network access must be unable to read captured packets. Which security control directly addresses this requirement?
    Question 2
    A security analyst at a hospital discovers that stolen laptops may contain unprotected patient records on local drives. The security team determines that had a specific control been in place, the data on those drives would be unreadable to anyone with physical access. Which control should have been implemented?
      Question 3
      A web application team at a bank is deploying TLS to secure the customer portal. The team is evaluating whether to use certificates from a trusted external authority or generate their own. Which infrastructure is responsible for issuing and managing the digital certificates that establish trust between parties?
        Question 4
        A CISO at a financial firm mandates that user accounts require more than just a password before access is granted to sensitive systems. The additional credential must come from a different category, such as something the user physically has or a biometric factor. Which control is being required?
          Question 5
          A large enterprise wants to reduce password fatigue by allowing employees to authenticate once and gain access to multiple internal and cloud applications without re-entering credentials for each system. The IT team deploys a centralized identity solution that shares authentication state across platforms. Which capability is being implemented?
            Question 6
            A university IT team needs to centralize authentication for wireless network access. When students connect to campus Wi-Fi, credentials must be validated against a central server that returns accept or reject responses to the wireless controller. Which protocol handles this?
              Question 7
              A security administrator is integrating a VPN concentrator with the corporate directory so users authenticate using their existing domain credentials. The VPN must query the directory service over a standardized protocol to look up user accounts and group memberships. Which protocol is most appropriate?
                Question 8
                A company deploys a cloud HR application that employees access using their corporate identity without creating separate credentials in the cloud platform. The solution passes digitally signed authentication assertions between the corporate identity provider and the cloud service provider. Which standard is being used?
                  Question 9
                  A security architect at an e-commerce company designs a model that layers multiple independent security controls so that failure of any single control does not expose the organization to a breach. No single technology is relied upon for complete protection. Which security principle is being applied?
                    Question 10
                    A network administrator grants a help desk technician only the access required to reset user passwords. The technician cannot modify firewall rules, access financial system data, or change network configurations. Which security principle governs this access model?
                      Answered: 0/10

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