FryAVSI training
Learn Something Useful. Put It to Work.
Short, practical training for networks, cabling, fiber and security. Start with the basics or build on what you already know.
Choose your starting point
Protect the network. Protect the site.
Keep a useful resource close
Working toward a certification?
Explore study paths →
Network+ foundations, FOA CFOT preparation and UniFi training preparation.
Need one chart or example?
Open the reference library →
Direct links to diagrams, comparisons, worksheets and worked calculations.
A word getting in the way?
Use the plain-English glossary →
Get a short definition and a practical example.
Find your next lesson
Browse and search all 39 lessons
Your Business Network, Explained
Know what each box does, follow a connection and describe a problem clearly. Start here—no IT background needed.
Open lessonIP Addresses, DHCP and DNS Without the Jargon
Learn how a device gets an address, finds another network and looks up a website—with one simple office example.
Open lessonWhy Won’t My Access Point or Camera Power Up?
Understand Power over Ethernet, check the right limits and work through a simple power-budget example.
Open lessonWi-Fi Troubleshooting: What to Check First
Frozen calls, slow pages or a laptop that will not connect? Find the pattern, make a useful comparison and give your support team a clearer starting point.
Open lessonWi-Fi Access Point Placement Fundamentals
Put coverage where the work happens, then verify it with the devices people use. A floor plan helps you start; on-site measurements tell you whether the design works.
Open lessonUnderstanding Copper Cable Categories
Choose cable for the speed, power, distance and environment your project needs. The category printed on the jacket is one part of that decision.
Open lessonFiber Optics: Understand the Link Before You Touch It
Learn what the fiber, connectors and optical modules do, and how to identify a link without guessing from its color.
Open lessonFiber Outage: Repair, Replace or Investigate?
Use the symptom and site history to prepare for a fiber repair visit—and understand what decides whether a repair makes sense.
Open lessonWhat Does “PASS” Mean on a Cable Test?
Read a sample report, understand its limits and ask for the evidence your project actually needs.
Open lessonUnderstanding the UniFi Ecosystem
UniFi combines networking devices with management applications. Knowing which component does each job makes a system easier to buy, maintain and hand over.
Open lessonKeep Working Through a Network Outage
Map what must stay powered, decide which tasks need backup internet and make recovery something you can test.
Open lessonStart a Security Plan People Can Follow
Turn “keep us secure” into clear responsibilities, a few useful rules and evidence that the rules are working.
Open lessonAccounts, MFA and Removing Old Access
Give people the access they need, protect the sign-in and close every relevant access route when their role changes.
Open lessonChoose a Camera View That Answers the Question
Start with what you need to see, then test the view with real movement and the lighting you actually have.
Open lessonDoor Access: Who, Where and When?
Understand the parts of an access system and turn a list of badge holders into clear, reviewable access rules.
Open lessonWho Can View Video, Export It and Keep It?
Create practical rules for camera use, recording retention and controlled access to footage.
Open lessonSubnets and VLANs: Build a Small Address Plan
Work through a /26 example, understand the gateway and separate addressing from access control.
Open lessonFollow a Packet: Ports, Protocols and Routing
Follow a web request through a small network and use the OSI model as a troubleshooting aid, not a memorization exercise.
Open lessonPlanning a Ubiquiti UniFi Network
Build the network around what the business needs to do. The equipment list should follow a clear plan for coverage, capacity, security and recovery.
Open lessonUniFi VLAN and Network Segmentation Fundamentals
A separate network name is only the beginning. Good segmentation gives each device the connections it needs and verifies that unwanted access is blocked.
Open lessonDiagnosing UniFi Device Adoption Problems
An adoption failure is a clue, not a diagnosis. Follow the connection from the device to its managing application, then change the part the evidence identifies.
Open lessonNetwork Maintenance: Small Habits That Prevent Big Problems
Build a practical routine for accounts, updates, backups, monitoring and changes without turning it into paperwork.
Open lessonPractice Lab: Build and Verify a Small Office Network
Put addressing, VLANs, PoE and testing together in a small lab with a clear finish line.
Open lessonProper Cat6 Termination
A reliable termination keeps the cable pairs in their intended shape and uses the connector exactly as designed. Follow the product instructions, then prove the finished connection.
Open lessonIdentifying and Tracing Existing Cabling
The goal is a confirmed connection with a usable label and record. A loud tone or an old handwritten tag is only a clue.
Open lessonVerification vs Qualification vs Certification Testing
Start with the question the test must answer. Correct wiring, support for an application and compliance with a cabling standard require different evidence.
Open lessonUnderstanding and Testing 66 and 110 Blocks
A cross-connect block organizes copper pairs between services and destinations. Before changing one, establish what the pair does and exactly how the installed block connects it.
Open lessonFiber Loss: Calculate, Measure, Explain
Work a simple loss budget, distinguish dB from dBm and choose the measurement that answers the question.
Open lessonConnect Two Buildings: Fiber or Wireless Bridge?
Compare routes, reliability and ownership using a small office-and-workshop example before choosing equipment.
Open lessonFiber Practice Lab: Prepare, Splice, Test and Record
A short supervised practice sequence that connects careful handling to a measured result and a usable handoff.
Open lessonUsing Proxmox to Reduce Server Infrastructure Costs
Proxmox can consolidate suitable workloads onto fewer physical servers. Savings depend on measured demand, application compatibility and a recovery plan the business can afford.
Open lessonPractical AI Adoption for Business
Start with one useful task and a clear way to check the result. A successful pilot saves time after review and correction, while keeping people responsible for business decisions.
Open lessonTurn a Security Policy into Working Controls
Take a written rule through configuration, testing, exception handling and ongoing review.
Open lessonProve Your Network Separation Works
Use a small lab to check that guests, cameras and administrators can reach only their intended services.
Open lessonRun Security as a Service, Not a Stack of Tools
Build an MSP routine that assigns owners, protects customer access and turns alerts, updates and backups into verified work.
Open lessonPractice the First Decisions in a Security Incident
Run a short tabletop that connects a suspicious sign-in, video records and business continuity without changing live systems.
Open lessonPlan Camera Bandwidth, Storage and Network Access
Work a clear recording estimate, map network dependencies and define the tests that prove the design.
Open lessonCommission Door Access with an Acceptance Record
Turn an approved door design into a documented test plan that covers permissions, events and failure behavior.
Open lessonKeep Cameras and Door Access Ready for the Real Event
Use a short review routine to catch lost views, broken recording, stale permissions and missing event evidence.
Open lessonTry a broader term, choose all levels or suggest the topic below.
One idea. One example. One quick challenge.
- LearnRead the short explanation. Use the glossary whenever a term is unfamiliar.
- TryWork the example, complete the worksheet or use the appropriate practice setup.
- CheckAnswer three questions and read the reasoning. Then choose the next lesson.
Practical lab time is separate from reading time. Courses show the recommended starting knowledge and the evidence you should be able to explain at the end.
One practical email each month
FryAVSI Training Notes shares practical networking, cabling, Wi-Fi and project-planning advice about once a month. Confirm your email to join; unsubscribe at any time.
Subscription is a separate opt-in. Reading a lesson or trying its questions does not subscribe you.
What would you like to learn next?
Tell us about a confusing term, a recurring problem or a task you want to understand. A specific example helps us build a useful lesson. Leave passwords and private client details out of the suggestion.
FryAVSI · Northeast Ohio and beyond
Turn the learning into a working result.
Share your site, the challenge and the result you need. Our team can help plan or carry out the work.