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CompTIA · Exam reference
About the Comptia Network + exam
Build the practical networking knowledge needed to support, troubleshoot, and secure modern IT environments with our CompTIA Network+ course. Designed for beginners and early-career IT professionals, this course breaks down core networking concepts such as TCP/IP, routing and switching, wireless networks, network security, cloud connectivity, troubleshooting, and infrastructure management in clear, plain English. Whether you are starting your IT career, preparing for the Network+ exam, or strengthening your real-world technical skills, this course gives you the confidence to understand how networks work and how to fix them when they do not.
10
Sample questions
90 min
Exam time limit
70%
Passing score
$369
Exam voucher
CompTIA Network+ Exam Prep for IT Beginners and Future Network Technicians: Learn Core Networking Skills, Build Confidence, and Open the Door to IT Support, Cloud, Infrastructure and Cybersecurity Careers
Exam Domains Covered
Exam Format & Details
The current CompTIA Network+ exam is N10-009. It includes a maximum of 90 questions, made up of multiple-choice and performance-based questions, and candidates have 90 minutes to complete the exam. The passing score is 720 on a scale of 100 to 900. The exam can be taken online through Pearson VUE OnVUE or in person at an authorised Pearson VUE test centre. Candidates book the exam by creating or logging into a CompTIA Central account, selecting the Network+ N10-009 exam, choosing a test centre or online testing option, picking a date and time, and paying by card or exam voucher. The official retail voucher price is listed by CompTIA at $369, while UK voucher pricing is commonly around £218 excluding VAT, or approximately £260 including VAT, depending on provider and current pricing.
Why Practice Questions Matter
Taking practice tests is one of the best ways to prepare for the CompTIA Network+ exam because it turns passive studying into active recall. Instead of simply reading about networking concepts, you are forced to recognise problems, apply knowledge, eliminate wrong answers, and make decisions under exam-style pressure. Practice tests also expose weak areas quickly, such as subnetting, wireless standards, routing concepts, troubleshooting, or network security, so you can focus your revision where it matters most. They also help you get used to the format of the exam, including scenario-based and performance-based questions, which can feel very different from normal study notes. Most importantly, regular practice builds speed, confidence, and exam discipline, reducing the chance of panic on test day and increasing the likelihood of passing first time.
Sample Practice Questions
The following questions are a preview of the type of syllabus-aligned questions you will practise in CertCrush. They reflect the format and reasoning style of the Comptia Network + exam — not actual exam content.
Q1.A switch port shows the link as up and passing traffic, but throughput is poor and interface error counters are climbing. At which TWO OSI layers is the fault MOST likely located? (Choose TWO.)
- A.Layer 1
- B.Layer 2
- C.Layer 4
- D.Layer 5
- E.Layer 7
Domain: Networking Concepts
Q2.A technician troubleshooting an intermittent WAN outage has tested and disproved several theories, and the remaining diagnostics require access to the service provider's circuit, which the technician cannot reach. What should the technician do NEXT?
- A.Continue forming new theories using only internal equipment
- B.Establish a plan of action based on the last theory
- C.Escalate the issue to the service provider
- D.Implement a temporary workaround and monitor
Domain: Network Troubleshooting
Q3.An attacker ARP-poisons a victim and its gateway, then silently relays and records all traffic between them. Which TWO statements are accurate? (Choose TWO.)
- A.The relaying-and-recording stage is an on-path attack
- B.End-to-end encryption such as TLS would render the captured traffic unreadable
- C.The relaying-and-recording stage is a denial of service attack
- D.Dynamic ARP inspection would have no effect on this attack
- E.The attack primarily violates availability
Domain: Network Security
Q4.A security team needs to identify the top talkers consuming bandwidth and record conversation metadata for years without storing payloads. Which data source BEST fits?
- A.Flow data
- B.Packet capture
- C.SNMP polling
- D.Syslog
Domain: Network Operations
Q5.An engineer needs the smallest device count that still provides one collision domain per host and one broadcast domain for the whole segment. Which single device accomplishes this?
- A.Switch
- B.Hub
- C.Router
- D.Access point
Domain: Network Implementation
Frequently Asked Questions
What is included in the free Comptia Network + sample?
The free sample includes 10 syllabus-aligned practice questions, sample flashcards, and a preview chapter from the study guide. No account or payment is required to try the sample.
How many questions are in the full Comptia Network + course?
The full course includes a comprehensive question bank covering all exam domains. You can see the total question count on the Comptia Network + course page.
Are these official CompTIA exam questions?
No. CertCrush questions are independently written and syllabus-aligned — they mirror the format, difficulty, and reasoning style of the official exam. We are not affiliated with or endorsed by CompTIA.
Which domains does the Comptia Network + course cover?
The course covers 5 exam domains: Networking Concepts, Network Implementation, Network Operations, Network Security, Network Troubleshooting.
Can I study on mobile?
Yes. CertCrush is fully responsive and works on phones, tablets, and desktops. The timed exam, flashcards, and study guide all work on mobile without installing an app.
What happens when I create an account?
Creating a free account lets you access full courses, track your weak areas by domain, and resume practice sessions across devices. No credit card is required to register.