CompTIA Network+ N10-009 Ultimate Practice Tests w/PBQs 2026

CompTIA Network+ (N10-009) certification is a highly esteemed credential in the field of information technology. This certification validates the skills and knowledge necessary to design, configure, manage, and troubleshoot wired and wireless networks.

One of the key features of the CompTIA Network+ (N10-009) certification is the practice exam that covers the latest syllabus. This practice exam allows candidates to assess their readiness for the actual exam and identify areas where they may need to focus their study efforts. By taking the practice exam, candidates can familiarize themselves with the format of the actual exam and gain confidence in their ability to successfully pass the certification.

CompTIA Network+ (N10-009) certification covers a wide range of topics, including network technologies, installation and configuration, media and topologies, management and security, and troubleshooting. Candidates who earn this certification demonstrate their ability to work with a variety of network technologies and troubleshoot common network issues.

In order to earn the CompTIA Network+ (N10-009) certification, candidates must pass a single exam that consists of multiple-choice questions. The exam is designed to test candidates' knowledge and skills in a variety of areas related to networking. By passing the exam, candidates demonstrate their proficiency in networking and their ability to work effectively in a networked environment.

CompTIA Network+ (N10-009) certification is recognized by employers around the world as a valuable credential that demonstrates a candidate's expertise in networking. Employers value candidates who hold this certification because it shows that they have the skills and knowledge necessary to design, configure, manage, and troubleshoot networks effectively.

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.

Overall, CompTIA Network+ (N10-009) certification is a valuable credential for IT professionals who work with networks. By earning this certification, candidates can demonstrate their expertise in networking and increase their opportunities for career advancement. The practice exam covering the latest syllabus is a valuable tool for candidates preparing for the exam, allowing them to assess their readiness and focus their study efforts effectively.