Network+ N10-009 · Domain 05

Domain 05
Network Troubleshooting

Troubleshooting methodology, tools, connectivity issues, wireless problems, and performance.

Explore Lessons ↓ All Domains →
◫
9Total Lessons
✓
9Live Now
%
21% of examExam Weight
100%Domain Progress
LEARNING PATH

Master this domain

Work through the lessons in order. Live lessons are ready to read.

Live Coming soon
Lesson 5.1.1 — The Troubleshooting Methodology (7-step process: identify, theorize, test, plan, implement, verify, document) 01 ● Live
Read lesson →
LESSON 01N10-009

Lesson 5.1.1 — The Troubleshooting Methodology (7-step process: identify, theorize, test, plan, implement, verify, document)

Start reading →
Lesson 5.2.1 — Cabling Issues & Signal Problems (incorrect cable type, crosstalk/interference/attenuation, improper termination, TX/RX transposed) 02 ● Live
Read lesson →
LESSON 02N10-009

Lesson 5.2.1 — Cabling Issues & Signal Problems (incorrect cable type, crosstalk/interference/attenuation, improper termination, TX/RX transposed)

Start reading →
Lesson 5.2.2 — Interface, PoE & Transceiver Issues (interface counters, port status: error disabled/admin down/suspended, PoE power budget/standard mismatch, transceiver mismatch/signal strength) 03 ● Live
Read lesson →
LESSON 03N10-009

Lesson 5.2.2 — Interface, PoE & Transceiver Issues (interface counters, port status: error disabled/admin down/suspended, PoE power budget/standard mismatch, transceiver mismatch/signal strength)

Start reading →
Lesson 5.3.1 — Troubleshooting Routing & Gateway Issues (route selection, incorrect default gateway) 04 ● Live
Read lesson →
LESSON 04N10-009

Lesson 5.3.1 — Troubleshooting Routing & Gateway Issues (route selection, incorrect default gateway)

Start reading →
Lesson 5.3.2 — Troubleshooting DHCP, IP Addressing & Subnet Issues (address pool exhaustion, duplicate/incorrect IP address, incorrect subnet mask) 05 ● Live
Read lesson →
LESSON 05N10-009

Lesson 5.3.2 — Troubleshooting DHCP, IP Addressing & Subnet Issues (address pool exhaustion, duplicate/incorrect IP address, incorrect subnet mask)

Start reading →
Lesson 5.4.1 — Troubleshooting Wireless Performance Issues (interference, channel overlap, signal degradation/loss) 06 ● Live
Read lesson →
LESSON 06N10-009

Lesson 5.4.1 — Troubleshooting Wireless Performance Issues (interference, channel overlap, signal degradation/loss)

Start reading →
Lesson 5.4.2 — Troubleshooting Wired & Network Performance Issues (bottlenecks, misconfigurations, asymmetrical routing, and related symptoms) 07 ● Live
Read lesson →
LESSON 07N10-009

Lesson 5.4.2 — Troubleshooting Wired & Network Performance Issues (bottlenecks, misconfigurations, asymmetrical routing, and related symptoms)

Start reading →
Lesson 5.5.1 — Software Troubleshooting Tools (ping, traceroute, nslookup/dig, netstat, ipconfig/ifconfig, arp, packet capture) 08 ● Live
Read lesson →
LESSON 08N10-009

Lesson 5.5.1 — Software Troubleshooting Tools (ping, traceroute, nslookup/dig, netstat, ipconfig/ifconfig, arp, packet capture)

Start reading →
Lesson 5.5.2 — Hardware Troubleshooting Tools (cable tester, tone generator, TDR/OTDR, loopback adapter, punchdown tool, spectrum analyzer, fiber light meter, multimeter) 09 ● Live
Read lesson →
LESSON 09N10-009

Lesson 5.5.2 — Hardware Troubleshooting Tools (cable tester, tone generator, TDR/OTDR, loopback adapter, punchdown tool, spectrum analyzer, fiber light meter, multimeter)

Start reading →
⌁
READY TO PRACTICE?

Test what you learned.

Practice Network+ N10-009 questions with timed exams, scoring and explanations.

Take Practice Exam →
← PREVIOUS DOMAINDomain 04: Network Security
← Back to Network+ N10-009 Series
Subscribe
Subscribe