From the course: CompTIA A+ Core 1 (220-1201) Cert Prep
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Troubleshooting theory
From the course: CompTIA A+ Core 1 (220-1201) Cert Prep
Troubleshooting theory
- Ipconfig/release? What? IP config space slash release. - Release. - Having a DHCP problem there? - I think so. - So, may I ask why you're doing this? - The internet's down. - Ah, okay. In this episode, what I want to talk about is CompTIA's troubleshooting theory. It's a series of steps that I as a technician can go through to help my users deal with whatever problems they might have. Now, I'm personally not a huge fan of this particular theory, not that it's wrong, but there's a lot of different opinions on this. But CompTIA does stress this, and you're going to see it on the exam. So let's go through these steps to help me as a technician help my users get back online. Now, before we do anything with this troubleshooting theory, the most important thing you need to remember is that if I'm within an organization, there might be procedures or there might be policies that the organization says, maybe she shouldn't even be trying to type that command, or maybe she needs to be making a…
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Contents
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USB standards9m 53s
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Understanding USB10m 31s
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Configuring USB7m 3s
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Thunder and lightning5m 4s
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Optical media17m 44s
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Readers and scanners6m 27s
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Common peripherals8m 37s
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Webcams and video conferencing3m 32s
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Installing and troubleshooting expansion cards5m 27s
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Understanding DNS10m 42s
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Working with DNS6m 56s
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Windows naming5m 54s
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Working with workgroups7m 18s
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Windows sharing with macOS and Linux6m 58s
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Routers11m 56s
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Basic router configuration11m 42s
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Firewall configuration10m 31s
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Windows Firewall7m 37s
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Port forwarding7m 5s
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Advanced router configuration7m 44s
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Virtual LANs (VLANs)7m 48s
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Network troubleshooting7m 45s
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Beyond the LAN4m 26s
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Internet tiers5m 41s
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Broadband connections11m 4s
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Firewalls and servers5m 56s
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Telnet and SSH6m 39s
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Remote desktop connections5m
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The World Wide Web8m 47s
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File Transfer Protocol (FTP)6m 49s
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Email7m 23s
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Proxy servers7m 27s
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Virtual private networks (VPNs)7m 41s
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Internet of Things (IoT)3m 28s
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Troubleshooting internet connections6m 39s
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Laser printers12m 19s
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Inkjet printers7m 39s
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Impact printers3m 49s
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Thermal printers3m 19s
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Installing a local printer16m 20s
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Sharing printers9m 46s
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Installing wireless and cloud printers10m 50s
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Social engineering13m 17s
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3D printing6m 19s
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