N10-009 CompTIA Network+ Practice Exams [2026]

This Practice Exam is designed to prepare students for the CompTIA Network+ (N10-009) Exam, which is a globally recognized certification that validates the knowledge and skills required to troubleshoot, configure, and manage a wired and wireless network infrastructure. The course provides students with access to multiple-choice practice tests that closely mirror the actual exam, allowing them to develop their test-taking skills and identify areas that require further study.

Each practice test contains detailed explanations for every question, highlighting key concepts and providing real-world examples to help students understand the material. This approach provides students with a comprehensive understanding of the topics covered on the Network+ exam, including network architecture, network operations, network security, and network troubleshooting.

Students will be able to assess their progress and determine whether they are ready to take the actual exam. The practice tests are designed to simulate the exam experience, allowing students to become familiar with the types of questions they can expect to encounter. The detailed explanations provided with each question help students understand not only the correct answer but also the reasoning behind it.

CompTIA Network+ Exam details: Number of Questions, Time, and language

• Exam Name: CompTIA Certified Network+

• Exam Code: N10-009

• Exam Price: $358 (USD)

• Number of Questions: 90

• Number of Questions: Maximum of 90 questions,

• Type of Questions: Multiple Choice Questions (single and multiple response), drag and drops and performance-based,

• Length of Test: 90 Minutes. The exam is available in English, German, and Japanese languages.

• Passing Score: 720 (on a scale of 100-900).

  
  

Network+ (V9) exam objectives summary

Networking concepts (23%)

• OSI model layers: physical, data link, network, transport, session, presentation, application.

• Networking appliances: routers, switches, firewalls, IDS/IPS, load balancers, proxies, NAS, SAN, and wireless devices.

• Cloud concepts: NFV, VPC, network security groups, cloud gateways, deployment models (public, private, hybrid), service models (SaaS, IaaS, PaaS).

• Ports and protocols: FTP, SFTP, SSH, Telnet, SMTP, DNS, DHCP, HTTP, HTTPS, SNMP, LDAP, RDP, SIP.

• Traffic types: unicast, multicast, anycast, broadcast.

• Transmission media: wireless (802.11, cellular, satellite), wired (fiber, coaxial, DAC).

• Transceivers and connectors: SC, LC, ST, MPO, RJ11, RJ45, F-type, BNC.

• Network topologies: mesh, hybrid, star/hub and spoke, spine and leaf, point-to-point, three-tier, and collapsed core.

• IPv4 addressing: public vs. private, APIPA, RFC1918, loopback, subnetting (VLSM, CIDR), and address classes

  
  

Network implementation (20%)

• Routing technologies: static and dynamic routing (BGP, EIGRP, OSPF), route selection, NAT, PAT, FHRP, VIP, and subinterfaces.

• Switching technologies: VLANs, interface configuration, spanning tree, MTU, and jumbo frames.

• Wireless devices: channels, frequency options, SSID, network types, encryption, guest networks, authentication, antennas, and access points.

• Physical installations: installation implications, power considerations, and environmental factors.

  
  

Network operations (19%)

• Documentation: physical vs. logical diagrams, rack diagrams, cable maps, network diagrams, asset inventory, IPAM, SLA, and wireless surveys.

• Life-cycle management: EOL, EOS, software management, and decommissioning.

• Change management: request process tracking.

• Configuration management: production, backup, baseline configurations.

• Network monitoring: SNMP, flow data, packet capture, baseline metrics, log aggregation, API integration, and port mirroring.

• Disaster recovery: RPO, RTO, MTTR, MTBF, cold/warm/hot sites, active-active/passive, and testing.

• Network services: DHCP, SLAAC, DNS, NTP, PTP, and NTS.

• Access and management: VPNs, SSH, GUI, API, and console.

  
  

Network security (14%)

• Logical security: encryption (data in transit/rest), PKI, IAM, MFA, SSO, RADIUS, LDAP, SAML, TACACS+, time-based authentication, authorization, least privilege, role-based access control, and geofencing.

• Physical security: cameras and locks.

• Deception technologies: honeypot and honeynet.

• Security terminology: risk, vulnerability, exploit, threat, and CIA triad.

• Audits and compliance: data locality, PCI DSS, and GDPR.

• Network segmentation: IoT, IIoT, SCADA, ICS, OT, guest, and BYOD.

• Types of attacks: DoS/DDoS, VLAN hopping, MAC flooding, ARP poisoning/spoofing, DNS poisoning/spoofing, rogue devices/services, evil twin, on-path attack, and social engineering (phishing, dumpster diving, shoulder surfing, tailgating).

• Security features and defense: device hardening, NAC, key management, ACL, URL/content filtering, trusted vs. untrusted zones, and screened subnet.

  
  

Network troubleshooting (24%)

• Troubleshooting methodology: identifying the problem, establishing a theory, testing, planning, and implementing a solution, verifying functionality, and documenting findings.

• Cabling and physical interface issues: cable issues (incorrect type, signal degradation, improper termination, TX/RX transposed), interface issues (increasing counters, port status), and hardware issues (PoE, transceiver mismatch, signal strength).

• Network services issues: switching issues (STP, VLAN assignment, ACLs), routing issues (routing table and default routes), address pool exhaustion, and incorrect gateway/IP/subnet mask.

• Performance issues: congestion, latency, packet loss, and wireless interference.

• Tools and protocols: protocol analyzers, command line tools, cable testers, and Wi-Fi analyzers.

In summary, the CompTIA Network+ (N10-009) Exam Practice Test course provides an excellent opportunity for candidates to prepare for the certification exam thoroughly. The multiple-choice questions and explanations offered in the course give a fair idea of what to expect from the actual exam. With dedicated and consistent practice, individuals can achieve their desired results and establish themselves as competent network professionals.

Overall, the CompTIA Network+ (N10-009) Exam Practice Tests course is an essential resource for anyone seeking to earn the Network+ certification or to improve their understanding of networking concepts. By providing students with realistic practice tests and detailed explanations of correct answers, the course helps them develop the knowledge and confidence needed to succeed on the Network+ exam.