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CompTIA NET+ Cert, Part 12: Network Troubleshooting

with expert Patrick Loner


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CompTIA NET+ Cert, Part 12: Network Troubleshooting Trailer

Course at a glance

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Release date Release date 6/23/2014
Level Level Intermediate
Runtime Runtime 1h 15m
Closed captioning Closed captioning Included
Transcript Transcript Included
eBooks / courseware eBooks / courseware Included
Hands-on labs Hands-on labs N/A
Sample code Sample code N/A
Exams Exams Included


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Course description

In this course we are going to look at what to do as a network technician when things go wrong. You have to know how to handle failures in network communication, how to deal with various network problems, and how to do so in an organized manner. So we’ll start with troubleshooting methodology so that we can get the most out of our time, diagnosing and resolving issues efficiently. Then we will look at the various tools you can use to troubleshoot issues and finally some common problems, their causes, and their resolutions.

Prerequisites

This course assumes the user has some experience with computer hardware, software, and understands the concept of a computer network. The user should have also viewed CompTIA NET+ Cert: Network Management before viewing this course.

Learning Paths

This course will help you prepare for the following certification and exam:
CompTIA Net+ Certification
N10-005: CompTIA Net+ Certification

Meet the expert

Patrick Loner Patrick Loner has certifications for MCSA, MCSE, MCITP, A+, Network+, Security+, and more. He has been working as a Microsoft Certified Trainer, network administrator, and network consultant for over ten years. He has over a decade of experience working with and teaching about Windows networks with client and server operating systems. He has guided many students toward Microsoft and CompTIA certifications. Most recently, he has worked as a freelance trainer and network consultant specializing in Windows Server 2008 and Microsoft Exchange 2007 and Exchange 2010 implementations, design, and upgrades. Patrick continues to branch out now working with and training on Windows Server 2012, Windows 8, Exchange 2013, and System Center Configuration Manager 2012.


Course outline



Network Troubleshooting

Troubleshooting Models (14:41)
  • Introduction (00:25)
  • Troubleshooting (01:44)
  • Troubleshooting Models (00:56)
  • Network+ Troubleshooting Model (02:19)
  • Step 1 (02:27)
  • Step 2 (01:49)
  • Step 3 (00:47)
  • Step 4 (01:10)
  • Step 5 (01:08)
  • Step 6 (00:47)
  • Step 7 (00:44)
  • Summary (00:19)
Troubleshooting Utilities (15:35)
  • Introduction (00:18)
  • Troubleshooting with IP Config (00:56)
  • The ping Utility (01:47)
  • The traceroute Utility (01:19)
  • The arp Utility (00:59)
  • The NBTSTAT Utility (00:41)
  • The NETSTAT Utility (01:01)
  • The Nslookup Utility (01:13)
  • SNIPS (00:51)
  • SNIPS (Cont) (00:52)
  • Demo: Troubleshooting Utilities (05:16)
  • Summary (00:18)
Hardware Troubleshooting (24:48)
  • Introduction (00:23)
  • Network Technician Hand Tools (01:47)
  • Electrical Safety Rules (01:23)
  • Electrical Safety Rules 2 (01:12)
  • Electrical Safety Rules 3 (00:52)
  • Wire Crimpers (00:52)
  • Punch Down Blocks (01:04)
  • Punch Down Tools (00:41)
  • Circuit Testers (00:35)
  • Multimeters (00:43)
  • Cable Testers (00:58)
  • Cable Certifiers (00:56)
  • Types of Testers & Certifiers (01:42)
  • Crossover Cables (01:25)
  • Hardware Loopback Plugs (00:57)
  • Time-Domain Reflectometers (00:52)
  • TDRs (Cont.) (00:50)
  • Tone Generator & Tone Locators (01:07)
  • Environment Monitors (00:38)
  • Butt Sets (00:38)
  • LED Indicators (01:29)
  • Network Analyzers (00:35)
  • Demarc (01:12)
  • Wireless Testers (00:36)
  • WLAN Survey Software (00:53)
  • Summary (00:15)
Common Networking Problems (19:56)
  • Introduction (00:18)
  • Physical Issues (05:30)
  • Logical Issues (03:25)
  • Wireless Issues (03:14)
  • Wireless Issues (Cont.) (02:53)
  • Routing and Switching Issues (04:14)
  • Summary (00:19)