CompTIA Network+ · N10-009
Objective 4.1: Explain common security concepts
Practice questions for Network+ objective 4.1, “Explain common security concepts.” Every question is original, written to the N10-009 exam objectives, and comes with a full explanation — answer them below to see instant grading.
This objective sits in Domain 4.0: Network Security, which is about 19% of the exam — so mastering it moves your readiness score meaningfully.
1.A company uses its existing Active Directory infrastructure to provide centralized authentication for VPN, Wi-Fi, and application access by federating identity across systems. Which authentication concept does this most closely represent?
2.A security team deploys multiple interconnected honeypots across several network segments to create a realistic-looking fake environment for attackers to explore. What is this called?
3.Which authorization method grants or denies access based on conditions such as time of day, source IP address, or specific network interface rather than a user's organizational role?
4.A digital credential stored on a user's device that contains their public key, identity information, and a digital signature from a trusted Certificate Authority is used to authenticate them. What is this?
5.Which security principle involves implementing multiple overlapping layers of security controls so that if one layer fails, others continue to protect the asset?
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