Week 9
Week 9 – 29 pages and 30 multiple choice questions

Read Chapter 19, 20 and 21 again
Chapter 22 – Given a scenario, troubleshoot common cabling and physical interface issues  – 7 pages

Chapter 23 – Given a scenario, troubleshoot common issues with network services – 14 pages

Chapter 24- Given a scenario, troubleshoot common performance issues – 8 pages
Action – Ian’s Book Key Elements
Chapter 22 – Read pages 399-413 taking notes
Complete all 10 review questions online
Any review questions that are wrong or missing then go back into the chapter and read those areas

Chapter 23 – Read pages  415-430 taking notes

Complete all 10 review questions online

Any review questions that are wrong or missing then go back into the chapter and read those areas

Chapter 24 – Read pages 431-444 taking notes

Complete all 10 review questions online

Any review questions that are wrong or missing then go back into the chapter and read those areas
Action – Videos Professor Messer
5.2 Physical issues

  • Cable issues
  • Interface issues
  • Hardware issues

5.3  Troubleshooting Network Services

  • Switching issues
  • Routing and IP issues

5.4 Performance issues

  • Performance issues
  • Wireless issues

https://www.professormesser.com/network-plus/n10-009/n10-009-video/n10-009-training -course/
 

 

Lab Exercises (optional) 

We are currently trying to find a cost-effective lab provider for Networking
Cable issues

  • Incorrect cable
  • SMF v MMF
  • Cat 5/6/7/8

STP V UTP

Signal degradation

  • Crosstalk
  • Interference
  • Attenuation

improper termination

TX/RX transposed

Interface issues

  • Increasing counters
  • CRC
  • Runts
  • Giants
  • Drops

Port status

Hardware issues

  • PoE budget exceeded
  • Incorrect PoE standard

Transceivers mismatch

Transceivers signal strength

Switching issues

  • STP
  • Incorrect VLAN assignment
  • ACLs

Route selection

Address pool exhaustion

Incorrect

  • Default gateway
  • IP Address
  • Subnet mask

Congestion/contention

Bottlenecking

Bandwidth

Latency

Packet loss

Jitter

Wireless

  • Interference
  • Channel overlap
  • Signal degradation or loss
  • Insufficent wireless coverage
  • Client disassociation issues
  • Roaming misconfiguration