CompTIA Network+ Practice Test

90 questions81 minutesDetailed explanationsInstant scoring

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About the Real CompTIA Network+ Exam

CompTIA Network+ (N10-009) certification exam. A strong, blueprint-matched practice run is one of the best predictors of how you will perform on the real exam.

Our CompTIA Network+ Practice Test

Our CompTIA Network+ practice test contains 90 original questions spanning Networking Fundamentals, Implementations & Operations, Security & Troubleshooting. Each question mirrors the real exam's style and difficulty and includes a detailed explanation, so every question teaches you something.

What to Expect

Networking Fundamentals: OSI, TCP/IP, ports, topologies, IP addressing.
Implementations & Operations: Routing, switching, wireless, monitoring.
Security & Troubleshooting: Network security, methodology, tools.

Try a Sample Question

CompTIA Network+ — Sample · easy

At which layer of the OSI model do MAC addresses operate?

A Data Link layer (Layer 2)

B Network layer (Layer 3)

C Physical layer (Layer 1)

D Transport layer (Layer 4)

Explanation. MAC addresses are used for local frame delivery and reside at the Data Link layer (Layer 2). IP addressing belongs to Layer 3, while the Physical layer deals with signaling and the Transport layer with ports and segmentation.

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