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PODCAST

Certified - CompTIA Network + Audio Course

The Network+ Audio Course is your comprehensive audio training series for mastering the CompTIA Network+ certification. Designed for learners on the go, this Audio Course transforms exam objectives into clear, structured, and engaging episodes tailored for auditory learning. Whether you"re walking, commuting, or studying between shifts, each episode breaks down complex networking topics into digestible segments aligned with the official CompTIA blueprint. From OSI layers and IP addressing to

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All Episodes

2:00

Trailer

Certified - CompTIA Network + Audio Course ·

2025/10/14

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13:04

Episode 184: Network Troubleshooting Methodology...

Certified - CompTIA Network + Audio Course ·

2025/07/20

To wrap up the series, this episode reviews the full troubleshooting methodology—from identifying the problem to documenting the fix. We walk through common scenarios, showing how the steps apply in real life and what tools are best suited for each phase. You’ll revisit techniques for isolating symptoms, confirming theories, and verifying solutions with clarity and structure.We also provide exam tips for recognizing troubleshooting questions, managing time under pressure, and eliminating

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18:10

Episode 183: BYOD, Licensing Issues, and...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Not every issue fits into neat categories. In this episode, we address edge-case problems like Bring Your Own Device (BYOD) compatibility, expired licenses on security appliances, and odd client behaviors that defy conventional logic. You’ll learn how mobile OS updates, unsupported encryption protocols, or insufficient license capacity can cause mysterious connectivity issues.We also touch on VPN quirks, DNS suffix misbehavior, and strange firewall rules inherited from years past. This

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14:23

Episode 182: Optical, Hardware, and Performance...

Certified - CompTIA Network + Audio Course ·

2025/07/20

This episode revisits advanced troubleshooting at the hardware and optical layer. We cover transceiver problems, dirty fiber connectors, power mismatches, and switch backplane limitations. You'll learn how to read interface stats for clues, test suspect links, and isolate faults in a complex network environment.We also explain how hardware limits—such as CPU, memory, or buffer overruns—can degrade throughput and cause latency spikes. Recognizing these bottlenecks and addressing them quickly

en

15:15

Episode 181: DNS and NTP Failures — Troubleshooting...

Certified - CompTIA Network + Audio Course ·

2025/07/20

DNS and NTP are often invisible—until they fail. This episode shows how to diagnose and fix issues with domain name resolution and time synchronization, both of which affect authentication, connectivity, and performance. You’ll learn how to use nslookup, dig, and ntpq to troubleshoot problems and interpret server behavior.We also cover how expired DNS records, cache poisoning, NTP drift, and firewall blocks can wreak havoc silently. Fixing these problems requires awareness of both the

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14:54

Episode 180: Asymmetric Routing, Multicast Flooding,...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Some network issues are subtle, involving advanced concepts like asymmetric routing, multicast flooding, and access control list (ACL) errors. This episode explains how asymmetric routing—where traffic returns on a different path than it arrived—can confuse firewalls and lead to dropped packets. We discuss how to diagnose and design around this behavior using symmetric paths and session tracking.Next, we cover multicast traffic that floods segments due to missing IGMP snooping, and how ACLs

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14:32

Episode 179: Collision Domains, Broadcast Storms, and...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Poor network segmentation can lead to serious Layer 2 and Layer 3 problems. In this episode, we explain how excessive collision domains on legacy hubs or poorly configured switches can slow performance and cause retransmissions. We also dive into broadcast storms—where unchecked broadcast traffic floods the network—and routing loops, which occur when routers send traffic in circles due to misconfiguration.You’ll learn how STP, TTL, and route summarization prevent these issues, and how to

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14:58

Episode 178: Routing Troubleshooting — Missing...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Routing issues can silently break connectivity—even if everything looks fine at Layer 2. In this episode, we diagnose common routing problems, including missing default routes, misconfigured static routes, and incorrectly advertised subnets. You'll learn how to use ping, traceroute, and routing tables to spot when traffic is being dropped or misrouted.We also explore DHCP-related routing issues and IP conflicts caused by overlapping pools or rogue servers. If users can reach some

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14:23

Episode 177: Network Foundations — VLAN, Interface,...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Sometimes network issues stem from the basics: incorrect VLAN assignment, disabled interfaces, or outdated configurations. This episode walks through foundational network checks that resolve a surprising number of connectivity issues. You'll learn how to verify trunk ports, check interface status, review MAC address tables, and ensure endpoints are in the correct VLAN.We also cover configuration drift—when devices slowly fall out of sync due to manual changes or failed updates. This type of

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14:40

Episode 176: Wireless Configuration Problems — SSID,...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Even if the signal is strong, configuration mistakes can block connectivity. This episode addresses common wireless configuration errors such as mismatched SSIDs, incorrect security settings, or outdated drivers on client devices. You’ll learn how WPA2 vs. WPA3 affects compatibility, how authentication failures are logged, and what to check when clients can see a network but not connect.We also cover misconfigured VLANs on trunk ports, DHCP assignment failures, and radius authentication

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14:53

Episode 175: Wireless Issues — Antenna Placement,...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Signal problems are among the most common wireless complaints—and many stem from poor antenna planning. This episode examines how antenna placement, orientation, and environment affect signal propagation. You'll learn the difference between omnidirectional and directional antennas and how line-of-sight, reflection, and absorption affect coverage.We also cover channel selection, overlap, and the impact of nearby access points or devices operating in the same spectrum. Signal loss isn't

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14:32

Episode 174: Wireless Limitations — Throughput,...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Wireless technology is incredibly convenient—but also limited by physical and environmental factors. In this episode, we explore the inherent constraints of wireless communication, such as reduced throughput compared to wired networks, signal degradation over distance, and interference from walls, other devices, or even weather. You’ll learn how to interpret RSSI (Received Signal Strength Indicator), SNR (Signal-to-Noise Ratio), and transmit power levels.We also discuss how device type,

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14:51

Episode 173: Interface, Routing, and...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Every device platform—whether Cisco, Juniper, or another—has its own diagnostic approach. In this episode, we explore common troubleshooting techniques across routers and switches, focusing on interface states, routing tables, and platform-specific commands. You’ll learn how to interpret “up/down” messages, diagnose err-disabled ports, and use commands like show ip route, show interfaces, and debug.We also discuss platform-specific behaviors and logs that can reveal problems with routing

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14:28

Episode 172: Infrastructure Tools — TFTP, Terminal...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Some of the most essential network management tools are also the most overlooked. This episode covers infrastructure tools such as TFTP servers for file transfers, terminal emulators like PuTTY and SecureCRT for CLI access, and core diagnostic commands including ping, traceroute, ipconfig, and netstat. You’ll learn how these tools assist with configuration backups, firmware upgrades, and remote diagnostics.We also discuss the risks and limitations of tools like Telnet vs. SSH and how to

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14:12

Episode 171: Network Discovery and Performance...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Network visibility starts with knowing what’s on your network. In this episode, we explain network discovery techniques using tools like ping sweeps, SNMP queries, and Nmap scans to identify devices, operating systems, and open services. You’ll learn how to distinguish active vs. passive discovery methods, the importance of using up-to-date inventories, and how to prevent disruptions while scanning.We also cover real-time performance monitoring, including metrics like CPU, memory, interface

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15:17

Episode 170: Packet Inspection and Traffic Analysis...

Certified - CompTIA Network + Audio Course ·

2025/07/20

To truly understand what’s happening on the network, you need to inspect the packets themselves. This episode introduces tools like Wireshark, tcpdump, and protocol analyzers that allow you to capture and analyze live traffic. You’ll learn how to filter by IP, port, or protocol, and how to identify patterns like retransmissions, failed handshakes, or application-layer issues.We also cover port mirroring (SPAN) and tap devices for capturing traffic non-invasively. Understanding how to read

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15:04

Episode 169: Wireless Troubleshooting — Tools and...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Wireless networks introduce a layer of complexity that often demands specialized tools for visibility. In this episode, we cover wireless troubleshooting utilities including site survey tools, spectrum analyzers, and signal heatmaps. These help you diagnose issues like dead zones, co-channel interference, and excessive client density.We also explore throughput testing and bandwidth analysis techniques to uncover performance bottlenecks. From device disconnects to random latency spikes,

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15:41

Episode 168: Advanced Tools for Fiber Optics and...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Fiber requires a different class of diagnostic tools due to its precision and sensitivity. In this episode, we cover devices like OTDRs (Optical Time Domain Reflectometers), power meters, and visual fault locators. You’ll learn how these tools detect breaks, signal loss, and connector issues with pinpoint accuracy. OTDRs, for example, send pulses of light and measure reflections to map out the fiber’s health over long distances.We also cover best practices for cleaning, inspecting, and

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14:20

Episode 167: Cable Testing Tools — Crimpers,...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Troubleshooting starts with the right tools. In this episode, we walk through the essential cable testing and installation tools you’ll use on the job. These include crimpers for RJ-45 connectors, punchdown tools for keystone jacks and patch panels, and continuity testers for verifying wire maps. You’ll also learn how cable locators and tone generators help identify cables behind walls or in crowded patch bays.We emphasize how proper cable termination and testing prevent future failures,

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14:54

Episode 166: Link Layer Diagnostics — Duplexing,...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Link-level problems are easy to overlook but frequently cause intermittent issues. This episode explores duplex mismatches—where one device is set to full duplex and the other to half—leading to collisions, retransmissions, and degraded performance. We explain how to spot and correct these mismatches using port configuration and interface statistics.We also examine the diagnostic value of physical indicators like LED lights and link lights, which can show speed, connectivity, and activity

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185 results

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