CompTIA · certification · Guided course

CompTIA Network+

Vendor-neutral networking concepts, operations, security, and troubleshooting.

N10-009foundationOfficial provider page ↗

Course overview and topics →

Daily study planConsideringInclude new Net+ sections and checks in your daily goal.

Your course path

Start with the suggested objective

Open a section when you are ready to begin.

Course pace and remaining work

ApproachBuild in orderLearning; no professional IT experience yet

Core work left4953mRemaining short lesson blocks and checks · outside courses vary in length

Target paceNo deadlineSet a target below to calculate required weekly time

Networking ConceptsNot started

1.1 · Explain concepts related to the Open Systems Interconnection reference model.

4 short lesson blocks · next block about 15m

Block 1 · Physical layer · Data link layer · Network layer · Transport layer

○Study lessonRequired ITForMe lesson ○Block check

Block 2 · Trace a failure through the OSI model

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Locate the first failed OSI boundary

○Study lessonRequired ITForMe lesson ○Block check

Block 4 · Distinguish Session layer, Presentation layer

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byNov 5Start section →

Full course map24 other objectivesOpen when you want to review progress or look ahead

Networking ConceptsNot started

1.2 · Compare and contrast networking appliances, applications, and functions.

7 short lesson blocks · next block about 15m

Block 1 · Router · Ethernet switch · Firewall · Load balancer

○Study lessonRequired ITForMe lesson ○Block check

Block 2 · Place network functions on the traffic path

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Validate a CDN cache decision

○Study lessonRequired provider lesson ○Block check

Block 4 · Separate tunnel, congestion, and hop-limit evidence

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Place forwarding and security appliances

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Place delivery storage and wireless appliances

○Study lessonRequired ITForMe lesson ○Block check

Block 7 · Distinguish Proxy server, Intrusion prevention system

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byNov 12Start section →

Networking ConceptsNot started

1.3 · Summarize cloud concepts and connectivity options.

8 short lesson blocks · next block about 15m

Block 1 · Virtual private cloud · Network function virtualization

○Study lessonRequired provider lesson ○Block check

Block 2 · Software as a service · Infrastructure as a service

○Study lessonRequired provider lesson ○Block check

Block 3 · Design cloud connectivity and responsibility boundaries

○Study lessonRequired ITForMe lesson ○Block check

Block 4 · Trace layered VPC enforcement

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Select cloud egress and private connectivity

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Build a cloud responsibility matrix

○Study lessonRequired provider lesson ○Block check

Block 7 · Interpret capacity and tenant evidence

○Study lessonRequired ITForMe lesson ○Block check

Block 8 · Distinguish Platform as a service, Cloud availability zone

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byNov 20Start section →

Networking ConceptsNot started

1.4 · Explain common networking protocols, ports, services, and traffic types.

11 short lesson blocks · next block about 15m

Block 1 · SSH · DNS · DHCP · NTP

○Study lessonRequired ITForMe lesson ○Block check

Block 2 · Infer protocols from ports, state, and traffic scope

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Approve service flows: FTP 20/21, SFTP 22, SSH 22, Telnet 23

○Study lessonRequired ITForMe lesson ○Block check

Block 4 · Approve service flows: SMTP 25, DNS 53, DHCP 67/68, TFTP 69

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Approve service flows: HTTP 80, NTP 123, SNMP 161/162, LDAP 389

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Approve service flows: HTTPS 443, SMB 445, Syslog 514, SMTPS 587

○Study lessonRequired ITForMe lesson ○Block check

Block 7 · Approve service flows: LDAPS 636, SQL Server 1433, RDP 3389

○Study lessonRequired ITForMe lesson ○Block check

Block 8 · Approve service flows: SIP 5060/5061

○Study lessonRequired ITForMe lesson ○Block check

Block 9 · Decode a GRE over IPsec capture

○Study lessonRequired ITForMe lesson ○Block check

Block 10 · Choose delivery types from packet copies

○Study lessonRequired provider lesson ○Block check

Block 11 · Distinguish HTTPS (TCP 443)

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byDec 2Start section →

Networking ConceptsNot started

1.5 · Compare and contrast transmission media and transceivers.

14 short lesson blocks · next block about 7m

Block 1 · Compare wireless paths by coverage and delay

○Study lessonRequired provider lesson ○Block check

Block 2 · Connect Ethernet standards to wired media

○Study lessonRequired provider lesson ○Block check

Block 3 · Choose a fiber type for distance and capacity

○Study lessonRequired ITForMe lesson ○Block check

Block 4 · Distinguish fixed copper media and assemblies

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Match a transceiver to traffic, lanes, and media

○Study lessonRequired provider lesson ○Block check

Block 6 · Recognize fiber connector form factors

○Study lessonRequired provider lesson ○Block check

Block 7 · Match copper connectors to their use cases

○Study lessonRequired provider lesson ○Block check

Block 8 · Match media, optics, and connectors end to end

○Study lessonRequired ITForMe lesson ○Block check

Block 9 · Select access media for three field locations

○Study lessonRequired ITForMe lesson ○Block check

Block 10 · Select copper and fiber by named reach

○Study lessonRequired ITForMe lesson ○Block check

Block 11 · Choose coax and cable fire rating

○Study lessonRequired ITForMe lesson ○Block check

Block 12 · Validate protocol optics and breakout lanes

○Study lessonRequired ITForMe lesson ○Block check

Block 13 · Identify fiber terminations without inferring speed

○Study lessonRequired ITForMe lesson ○Block check

Block 14 · Match modular and coax connectors

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byDec 14Start section →

Networking ConceptsNot started

1.6 · Compare and contrast network topologies, architectures, and types.

6 short lesson blocks · next block about 15m

Block 1 · Mesh topology · Star topology · Spine-and-leaf · Three-tier architecture

○Study lessonRequired ITForMe lesson ○Block check

Block 2 · Select topology from failure and traffic behavior

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Choose topology by failure path

○Study lessonRequired provider lesson ○Block check

Block 4 · Place campus functions by tier

○Study lessonRequired provider lesson ○Block check

Block 5 · Place sensors for north-south and east-west flows

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Distinguish Hub-and-spoke topology, Point-to-point topology

○Study lessonRequired provider lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byDec 20Start section →

Networking ConceptsNot started

1.7 · Given a scenario, use appropriate IPv4 network addressing.

9 short lesson blocks · next block about 15m

Block 1 · APIPA · RFC 1918 addressing · IPv4 loopback

○Study lessonRequired ITForMe lesson ○Block check

Block 2 · Understand Variable-length subnet masking

○Study lessonRequired provider lesson ○Block check

Block 3 · Calculate IPv4 boundaries before configuring hosts

○Study lessonRequired provider lesson ○Block check

Block 4 · Classify an address before troubleshooting its path

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Calculate the network, broadcast, and host range

○Study lessonRequired provider lesson ○Block check

Block 6 · Build a non-overlapping VLSM plan

○Study lessonRequired provider lesson ○Block check

Block 7 · Use /31 and /32 only in their intended roles

○Study lessonRequired provider lesson ○Block check

Block 8 · Read classful records without inheriting their assumptions

○Study lessonRequired provider lesson ○Block check

Block 9 · Distinguish CIDR summarization

○Study lessonRequired provider lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byDec 28Start section →

Networking ConceptsNot started

1.8 · Summarize evolving use cases for modern networks.

11 short lesson blocks · next block about 15m

Block 1 · Understand SD-WAN

○Study lessonRequired provider lesson ○Block check

Block 2 · Understand VXLAN

○Study lessonRequired provider lesson ○Block check

Block 3 · Understand Zero-trust architecture

○Study lessonRequired provider lesson ○Block check

Block 4 · Understand Infrastructure as code

○Study lessonRequired provider lesson ○Block check

Block 5 · Relate modern network abstractions to forwarding

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Calculate a VXLAN underlay requirement

○Study lessonRequired ITForMe lesson ○Block check

Block 7 · Evaluate SD-WAN policy against link telemetry

○Study lessonRequired ITForMe lesson ○Block check

Block 8 · Evaluate a zero-trust access matrix

○Study lessonRequired ITForMe lesson ○Block check

Block 9 · Trace three IPv6 transition paths

○Study lessonRequired provider lesson ○Block check

Block 10 · Review an IaC drift and merge plan

○Study lessonRequired ITForMe lesson ○Block check

Block 11 · Distinguish SDN control plane, Network underlay

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byJan 8Start section →

Network ImplementationNot started

2.1 · Explain characteristics of routing technologies.

9 short lesson blocks · next block about 15m

Block 1 · Understand Static route

○Study lessonRequired provider lesson ○Block check

Block 2 · OSPF · BGP

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Understand Port address translation

○Study lessonRequired provider lesson ○Block check

Block 4 · Read route choice and translation evidence

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Read a NAT translation table

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Trace a virtual gateway failover

○Study lessonRequired ITForMe lesson ○Block check

Block 7 · Repair a router-on-a-stick tag mismatch

○Study lessonRequired ITForMe lesson ○Block check

Block 8 · Choose routes for a dual-homed campus

○Study lessonRequired ITForMe lesson ○Block check

Block 9 · Resolve a routing-table decision

○Study lessonRequired provider lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byJan 17Start section →

Network ImplementationNot started

2.2 · Given a scenario, configure switching technologies and features.

7 short lesson blocks · next block about 15m

Block 1 · Access VLAN · VLAN trunk · Native VLAN

○Study lessonRequired provider lesson ○Block check

Block 2 · Understand LACP

○Study lessonRequired provider lesson ○Block check

Block 3 · Configure switching and prove the resulting state

○Study lessonRequired ITForMe lesson ○Block check

Block 4 · Trace a host to its VLAN gateway

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Decode a phone port and broken aggregate

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Calculate tunnel payload and path MTU

○Study lessonRequired ITForMe lesson ○Block check

Block 7 · Predict spanning-tree forwarding

○Study lessonRequired provider lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byJan 25Start section →

Network ImplementationNot started

2.3 · Given a scenario, select and configure wireless devices and technologies.

7 short lesson blocks · next block about 15m

Block 1 · Nonoverlapping channel plan · Band steering · WPA3-Personal · Enterprise wireless authentication

○Study lessonRequired ITForMe lesson ○Block check

Block 2 · Build a wireless cell from spectrum and identity constraints

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Build a legal dense-office channel plan

○Study lessonRequired ITForMe lesson ○Block check

Block 4 · Read a roaming and bridge survey

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Separate employee and guest wireless

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Choose antenna and AP control modes

○Study lessonRequired ITForMe lesson ○Block check

Block 7 · Distinguish Wireless channel width, Wireless roaming threshold

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byFeb 1Start section →

Network ImplementationNot started

2.4 · Explain important factors of physical installations.

6 short lesson blocks · next block about 15m

Block 1 · Main distribution frame · Intermediate distribution frame · Uninterruptible power supply · Power distribution unit

○Study lessonRequired ITForMe lesson ○Block check

Block 2 · Design the room, rack, power, and environment together

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Fit and cable a floor IDF

○Study lessonRequired provider lesson ○Block check

Block 4 · Size rack power and UPS runtime

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Interpret rack environmental evidence

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Distinguish Continuous electrical load budget

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byFeb 7Start section →

Network OperationsNot started

3.1 · Explain the purpose of organizational processes and procedures.

7 short lesson blocks · next block about 15m

Block 1 · Physical network diagram · Logical network diagram · IP address management · Golden configuration

○Study lessonRequired ITForMe lesson ○Block check

Block 2 · Operate from controlled documentation and change records

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Choose records that answer the operational question

○Study lessonRequired provider lesson ○Block check

Block 4 · Manage support boundaries and retirement evidence

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Separate running, recoverable, and approved configurations

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Carry a service request through controlled change

○Study lessonRequired ITForMe lesson ○Block check

Block 7 · Distinguish Rack diagram, Cable map

○Study lessonRequired provider lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byFeb 14Start section →

Network OperationsNot started

3.2 · Given a scenario, use network monitoring technologies.

5 short lesson blocks · next block about 15m

Block 1 · Understand SNMP trap

○Study lessonRequired provider lesson ○Block check

Block 2 · NetFlow · Packet capture · Port mirroring

○Study lessonRequired provider lesson ○Block check

Block 3 · Choose telemetry by the question it can answer

○Study lessonRequired ITForMe lesson ○Block check

Block 4 · Match monitoring evidence to the question

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Use discovery and monitoring as separate controls

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byFeb 20Start section →

Network OperationsNot started

3.3 · Explain disaster recovery concepts.

7 short lesson blocks · next block about 15m

Block 1 · Recovery point objective · Recovery time objective · Mean time to repair · Mean time between failures

○Study lessonRequired provider lesson ○Block check

Block 2 · Turn recovery targets into a testable design

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Select alternate sites from recovery needs

○Study lessonRequired ITForMe lesson ○Block check

Block 4 · Reason about active-active and active-passive failure

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Use recovery and reliability metrics without substitution

○Study lessonRequired provider lesson ○Block check

Block 6 · Use tabletop and validation tests for different evidence

○Study lessonRequired ITForMe lesson ○Block check

Block 7 · Distinguish Hot recovery site, Tabletop exercise

○Study lessonRequired provider lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byFeb 27Start section →

Network OperationsNot started

3.4 · Given a scenario, implement IPv4 and IPv6 network services.

10 short lesson blocks · next block about 15m

Block 1 · Understand DHCP reservation

○Study lessonRequired provider lesson ○Block check

Block 2 · Understand SLAAC

○Study lessonRequired provider lesson ○Block check

Block 3 · Understand DNSSEC

○Study lessonRequired provider lesson ○Block check

Block 4 · Understand PTR record

○Study lessonRequired provider lesson ○Block check

Block 5 · Implement DHCP, DNS, SLAAC, and trustworthy time

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Interpret SLAAC evidence

○Study lessonRequired ITForMe lesson ○Block check

Block 7 · Resolve DNS role, record, zone, and transport

○Study lessonRequired ITForMe lesson ○Block check

Block 8 · Build forward-zone records from service requirements

○Study lessonRequired ITForMe lesson ○Block check

Block 9 · Build and validate a DHCP scope

○Study lessonRequired ITForMe lesson ○Block check

Block 10 · Choose precision and trust for time

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byMar 8Start section →

Network OperationsNot started

3.5 · Compare and contrast network access and management methods.

8 short lesson blocks · next block about 15m

Block 1 · Site-to-site VPN · Client-to-site VPN

○Study lessonRequired provider lesson ○Block check

Block 2 · Jump host · Out-of-band management

○Study lessonRequired provider lesson ○Block check

Block 3 · Choose a recoverable access and management path

○Study lessonRequired ITForMe lesson ○Block check

Block 4 · Choose a bounded management connection

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Use a jump host as a controlled boundary

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Select VPN scope and client traffic policy

○Study lessonRequired ITForMe lesson ○Block check

Block 7 · Keep a genuinely separate recovery path

○Study lessonRequired provider lesson ○Block check

Block 8 · Distinguish Management VRF, Bastion session recording

○Study lessonRequired provider lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byMar 16Start section →

Network SecurityNot started

4.1 · Explain the importance of basic network security concepts.

12 short lesson blocks · next block about 15m

Block 1 · Understand Least privilege

○Study lessonRequired provider lesson ○Block check

Block 2 · RADIUS · TACACS+

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Understand Honeypot

○Study lessonRequired provider lesson ○Block check

Block 4 · Connect identity, cryptography, risk, and segmentation

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Combine cryptographic, identity, and physical controls

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Connect factors, federation, directories, and network AAA

○Study lessonRequired ITForMe lesson ○Block check

Block 7 · Apply encryption to data state without overstating it

○Study lessonRequired ITForMe lesson ○Block check

Block 8 · Bound deception systems safely

○Study lessonRequired ITForMe lesson ○Block check

Block 9 · Connect threat, vulnerability, exploit, risk, and impact

○Study lessonRequired provider lesson ○Block check

Block 10 · Turn obligations into scoped network evidence

○Study lessonRequired ITForMe lesson ○Block check

Block 11 · Segment unmanaged, industrial, guest, and personal devices

○Study lessonRequired ITForMe lesson ○Block check

Block 12 · Distinguish Network access control

○Study lessonRequired provider lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byMar 27Start section →

Network SecurityNot started

4.2 · Summarize various types of attacks and their impact to the network.

10 short lesson blocks · next block about 15m

Block 1 · Understand MAC flooding

○Study lessonRequired ITForMe lesson ○Block check

Block 2 · Understand VLAN hopping

○Study lessonRequired provider lesson ○Block check

Block 3 · Understand ARP poisoning

○Study lessonRequired provider lesson ○Block check

Block 4 · Understand Evil twin

○Study lessonRequired provider lesson ○Block check

Block 5 · Identify attacks by the state they corrupt

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Distinguish exhaustion, VLAN, MAC, and ARP attacks

○Study lessonRequired ITForMe lesson ○Block check

Block 7 · Trace rogue address services and poisoned name answers

○Study lessonRequired ITForMe lesson ○Block check

Block 8 · Separate rogue APs from evil twins

○Study lessonRequired ITForMe lesson ○Block check

Block 9 · Recognize social paths without skipping malware evidence

○Study lessonRequired ITForMe lesson ○Block check

Block 10 · Distinguish DNS cache poisoning, Dynamic ARP inspection

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byApr 5Start section →

Network SecurityNot started

4.3 · Given a scenario, apply network security features, defense techniques, and solutions.

8 short lesson blocks · next block about 15m

Block 1 · IEEE 802.1X · Switch port security

○Study lessonRequired ITForMe lesson ○Block check

Block 2 · Access control list · Screened subnet

○Study lessonRequired provider lesson ○Block check

Block 3 · Enforce layered network defenses

○Study lessonRequired ITForMe lesson ○Block check

Block 4 · Reduce device attack surface and credential exposure

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Operate keys and filtering rules through evidence

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Enforce trust boundaries and screened services

○Study lessonRequired ITForMe lesson ○Block check

Block 7 · Select identity and identifier controls for port admission

○Study lessonRequired ITForMe lesson ○Block check

Block 8 · Distinguish Implicit deny, Firewall rule hit counter

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byApr 13Start section →

Network TroubleshootingNot started

5.1 · Explain the troubleshooting methodology.

6 short lesson blocks · next block about 15m

Block 1 · Identify the problem · Establish a theory · Test the theory · Verify and document

○Study lessonRequired provider lesson ○Block check

Block 2 · Use evidence before and after a network change

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Plan, implement, or escalate with bounded impact

○Study lessonRequired ITForMe lesson ○Block check

Block 4 · Move from symptom to tested cause

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Verify the service and preserve the lesson

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Distinguish Troubleshooting scope

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byApr 19Start section →

Network TroubleshootingNot started

5.2 · Given a scenario, troubleshoot common cabling and physical interface issues.

6 short lesson blocks · next block about 15m

Block 1 · CRC errors · Crosstalk · Attenuation · PoE budget exhaustion

○Study lessonRequired ITForMe lesson ○Block check

Block 2 · Interpret physical counters before replacing hardware

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Diagnose cable type, signal loss, and termination

○Study lessonRequired ITForMe lesson ○Block check

Block 4 · Resolve PoE and transceiver compatibility

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Interpret counters and port states precisely

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Distinguish Optical receive power, Split pair

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byApr 25Start section →

Network TroubleshootingNot started

5.3 · Given a scenario, troubleshoot common issues with network services.

6 short lesson blocks · next block about 15m

Block 1 · Understand Incorrect VLAN assignment

○Study lessonRequired provider lesson ○Block check

Block 2 · Incorrect default gateway · DHCP scope exhaustion · Duplicate IP address

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Trace a service failure through switching, routing, and addressing

○Study lessonRequired ITForMe lesson ○Block check

Block 4 · Troubleshoot STP, VLAN, and ACL forwarding

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Read the routing table before changing routes

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Separate pool, address, mask, gateway, and duplicate faults

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byMay 1Start section →

Network TroubleshootingNot started

5.4 · Given a scenario, troubleshoot common performance issues.

5 short lesson blocks · next block about 15m

Block 1 · Latency · Jitter · Packet loss · Congestion

○Study lessonRequired provider lesson ○Block check

Block 2 · Separate capacity, delay, loss, and wireless coverage

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Measure capacity, queueing, delay, variation, and loss

○Study lessonRequired provider lesson ○Block check

Block 4 · Separate RF loss, capacity, association, and roaming

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Distinguish Network microburst, Asymmetric network performance

○Study lessonRequired ITForMe lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byMay 6Start section →

Network TroubleshootingNot started

5.5 · Given a scenario, use the appropriate tool or protocol to solve networking issues.

6 short lesson blocks · next block about 15m

Block 1 · Cable tester · Toner and probe · Wi-Fi analyzer · Protocol analyzer

○Study lessonRequired ITForMe lesson ○Block check

Block 2 · Select the smallest tool that can answer the question

○Study lessonRequired ITForMe lesson ○Block check

Block 3 · Choose a software tool by the missing evidence

○Study lessonRequired ITForMe lesson ○Block check

Block 4 · Inspect route hops, local state, neighbors, and authorized services

○Study lessonRequired ITForMe lesson ○Block check

Block 5 · Select a physical tool without exceeding its evidence

○Study lessonRequired ITForMe lesson ○Block check

Block 6 · Read device state as a connected path

○Study lessonRequired provider lesson ○Block check

○Checkpoint · 70%+ ○Spaced review 0/3

Suggested byMay 12Start section →

★

Course progression checks

Complete these quizzes and labs to finish the guided course. The readiness checklist below has additional requirements. Course completion does not predict your exam result.

○Pass both current-profile 90-question final forms at 85%+ within 180 days○Pass 5 distinct current in-browser scenarios whose mapped content spans 5 exam domains at 70%+ within 180 days

Open practice →

Optional learning resources3 choicesOpen for another teacher, format, or question review

Optional

Another explanation or review

Messer supplies exam order; Practical Networking supplies targeted visual deep dives. Ramdayal adds optional free N10-009 question review after lessons. These resources do not change course progress or readiness.

Professor MesserExam-Aligned Course · Free

CompTIA N10-009 Network+ course

The video course is free; notes and other study products are optional paid purchases.

Video course · Free

Open resource ↗

Checked 2026-08-18 · review due 2027-02-14

Practical NetworkingConcept Deep Dives · Free

Networking Fundamentals video series

The videos and subnetting practice are free. The series teaches durable concepts rather than following the N10-009 objectives line by line.

Concept video series · Free on YouTube

Open resource ↗

Checked 2026-08-18 · review due 2027-02-14

Andrew Ramdayal / Technical Institute of AmericaOptional N10-009 Question Review After Lessons; Not A Full Course · Free

Network+ N10-009: 100 practice-question walkthroughs

The YouTube question walkthrough is free. Linked courses and books are optional paid products.

Video review · Free on YouTube

Open video on YouTube ↗

Checked 2026-09-30 · review due 2027-03-29