N10-009 Available
CompTIA Network+ quest path
Networking fundamentals, infrastructure, operations, security foundations, and troubleshooting practice.
Knowledge map
Practice by objective
Reviewed 2026-09-08. Topic labels summarize the linked study material; objective numbers identify the exam scope.
1.0 Networking Concepts8 objectives63 questions
OSI Model; Layer 3: Network; Layers 5-7: Upper Layers; MAC Addresses; Encapsulation and Decapsulation; Ethernet Frame Basics; Broadcast vs Unicast; Layer 2: Data Link; Layer 4: Transport
Hubs vs Switches; Cloud Connectivity And Delivery; IDS vs IPS; Load Balancing; Proxy Servers
Cloud And Virtual Network Foundations; Cloud Connectivity And Delivery; Cloud Basics; Cloud Network Controls; Cloud Service And Deployment Models
Packets and Ports; DNS Fundamentals; Web Servers; FTP; Anycast Service Selection; Email Servers And Clients
Fiber Optic Cabling; Connecting Switches; Terminating Twisted Pair; 100BaseT; Gigabit Ethernet; 10-Gigabit Ethernet; Transceivers; Coaxial Cabling; Duplex and Ethernet Connectivity; Optical Power And Short Rack Links
Network Topologies; Bus; Classic Data Center Architecture; Collapsed Core And Traffic Flows
Private Address Boundaries; Subnet Masks; CIDR Subnetting; ARP; Point-To-Point Addressing Exceptions
Software-Defined Networks And WANs; Modern Secure Network Edge; IPv4 And IPv6 Tunneling; VXLAN Overlays; Infrastructure as Code; Certificate And Administrative Identity
2.0 Network Implementation4 objectives55 questions
Router Purpose; Route Installation And Failover Evidence; Static Routes; OSPF; BGP; Network Address Translation; Port Forwarding; Dynamic Routing; First Hop Redundancy And Virtual IPs
InterVLAN Routing; Trunking; Port Bonding; Switch Management; Switch Port Protection; Enterprise Virtualization; Voice And Data On One Access Port; LACP Negotiation And Capacity
802.11 Basics; 802.11 Standards; Wireless Security; Antennas; Wireless Regulatory Features
Equipment Room; Distribution Panels and Blocks; Power Runtime And Installation Evidence; Structured Cabling; Terminating Structured Cabling; Classic Data Center Architecture; Permanent Links And Channel Limits
3.0 Network Operations5 objectives52 questions
Structured Cabling; Testing Cable; Documentation; Patching And Updating; Infrastructure as Code; Change Management; Incident Response And Forensics
Port Mirroring; Quality of Service; WAN Troubleshooting; High Availability; SNMP; Monitoring Goals; Logs; Flow Records And Monitoring Evidence
Disaster Recovery And Business Continuity; High Availability; Recovery Tests And Data Currency
Static And Dynamic Addressing; NTP; DNS Fundamentals; Applying DNS; Dynamic DNS; Precision And Secure Time; IPv6 In Action; DHCP Relay And Scope Selection; DNS Negative Caching And Transport
Remote Desktop And VPNs; Independent Management Paths
4.0 Network Security3 objectives39 questions
Equipment Room; Structured Cabling; Testing Cable; Telnet And SSH; Additional Service And Protocol Distinctions; Symmetric Encryption; Asymmetric Encryption; Kerberos And EAP; Identification, Authentication, Authorization, Accounting; Cryptographic Hashes; Wireless Security; ICS And SCADA; Risk Management; Certificate And Administrative Identity
Wireless Security; Common Attacks; Physical Security; MAC Table Exhaustion Evidence
Equipment Room; Access Control; Switch Port Protection; Network Hardening; Firewalls; DMZ; First-Hop Defense And Static Devices; Ordered Security Rules
5.0 Network Troubleshooting5 objectives66 questions
Troubleshooting Method
If A Question Mentions No Link; Fiber Optic Cabling; If A Question Mentions Slow Or Intermittent Ethernet; Duplex and Ethernet Connectivity; Ethernet Frames; Terminating Twisted Pair; Connecting Ethernet Scenarios; PoE; Layered Troubleshooting; Optical Power And Short Rack Links
Hubs vs Switches; Wired Connection Scenarios; Special IP Addresses; CIDR Subnetting; ARP; Module 2 Troubleshooting Cues; InterVLAN Routing; Trunking; ICMP And IGMP; DNS Troubleshooting; DNS Fundamentals; Static And Dynamic Addressing; IPv6 In Action; IPv6 Addressing; Remote Desktop And VPNs; Enterprise Virtualization; Layered Troubleshooting; Quick Symptom Mapping; DNS Negative Caching And Transport; Path MTU And Tunnel Evidence; IPv6 Router And On-Link Lifetimes
DSL, Cable, Satellite, Cellular; WAN Troubleshooting; 802.11 Standards; 802.11 Basics; NAS And SAN; Monitoring Goals; VoIP; LACP Negotiation And Capacity
Testing Cable; Toner and Probe; Handy Tools; Wireshark; Switch Management; Optical Power And Short Rack Links; Packet Evidence And Capture Limits