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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

14:07

Episode 105: VLANs — Segmenting the Network with Data...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Virtual LANs (VLANs) are essential tools for logically segmenting a network, improving security, performance, and organization. In this episode, we explore how VLANs work by assigning different ports to different broadcast domains—even if those ports are on the same switch. You'll learn how VLANs separate voice and data traffic, simplify policy application, and reduce the spread of broadcast traffic. We also introduce best practices for numbering, naming, and documenting VLANs.We discuss

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14:27

Episode 104: Bandwidth Management — Shaping and...

Certified - CompTIA Network + Audio Course ·

2025/07/20

When network demand exceeds available bandwidth, performance suffers—unless you implement effective traffic management. In this episode, we explore bandwidth shaping, queuing, and prioritization techniques that allow administrators to control how data moves through the network. You'll learn about traffic classification, QoS (Quality of Service), and how to assign priority to real-time traffic like VoIP and video conferencing.We also dive into policing, traffic marking (like DSCP and CoS),

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14:57

Episode 103: Routing Scope — Interior vs. Exterior...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Not all routing protocols are created for the same environment. This episode explains the difference between Interior Gateway Protocols (IGPs) and Exterior Gateway Protocols (EGPs). IGPs like RIP, OSPF, and EIGRP are designed to operate within a single administrative domain or autonomous system, focusing on fast convergence and ease of configuration. In contrast, EGPs such as BGP handle routing between autonomous systems across the public internet and prioritize stability and policy control

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14:46

Episode 102: Link-State and Hybrid Routing Protocols...

Certified - CompTIA Network + Audio Course ·

2025/07/20

As networks grow in size and complexity, distance vector routing protocols become inefficient. This episode introduces link-state and hybrid routing protocols—more sophisticated tools for modern routing. We begin with OSPF, a link-state protocol that uses a cost metric and maintains a full map of the network. You'll learn how areas and LSAs (Link-State Advertisements) work, how OSPF selects the shortest path using Dijkstra’s algorithm, and how it quickly converges after changes.We then

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15:25

Episode 101: Dynamic Routing Protocols — Distance...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Dynamic routing protocols automate the process of finding and maintaining routes between networks, and this episode introduces one of the earliest and most basic forms: distance vector routing. You’ll learn how distance vector protocols like RIP (Routing Information Protocol) use hop count to determine the best path and how they periodically exchange full routing tables with neighboring routers. We discuss how distance vector protocols are simple to implement but come with scalability and

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14:03

Episode 100: Static Routing and Administrative Distance

Certified - CompTIA Network + Audio Course ·

2025/07/20

Static routing gives administrators full control over network paths, making it a foundational concept for simple and secure routing environments. In this episode, we explain how static routes are configured manually, how they’re added to the routing table, and what benefits they offer in terms of predictability and control. You'll learn how to define destination networks and next-hop addresses, and how static routes interact with dynamic routing protocols.We also explore administrative

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13:51

Episode 99: Introduction to Routing — What It Does...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Routing is how networks communicate across different IP subnets, and it’s the heart of data delivery beyond the local segment. This episode introduces you to the core responsibilities of routers, how they build and consult routing tables, and what role gateway IPs play in guiding traffic between networks. You'll learn about route metrics, next-hop decisions, and how routers use Layer 3 logic to deliver packets to the correct destination.We also discuss real-world use cases, including

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14:45

Episode 98: IoT and SCADA Systems — Small Devices,...

Certified - CompTIA Network + Audio Course ·

2025/07/20

The Internet of Things (IoT) and SCADA systems have introduced a new layer of complexity and risk to network environments. In this episode, we explain what these systems are, how they function, and how they're used in industries ranging from manufacturing to building automation. You'll learn how these devices often use lightweight protocols and operate with limited security, making them vulnerable if not properly managed.We discuss common challenges, including device discovery,

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14:13

Episode 97: Networked Devices — VoIP Phones,...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Modern networks support a wide array of devices beyond computers and servers. In this episode, we look at how VoIP phones, network printers, HVAC controls, and other connected endpoints behave on the network. You’ll learn how these devices obtain IP addresses, how they interact with services like DNS and DHCP, and how they are typically segmented using VLANs for security and manageability. Each device type has unique behavior that must be considered when troubleshooting or designing a

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14:32

Episode 96: Firewalls — Stateful Inspection and...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Firewalls are the gatekeepers of the network, filtering traffic based on defined rules to enforce security policy. In this episode, we explore the various types of firewalls, including packet-filtering, stateful, and next-generation firewalls. You’ll learn how stateful inspection tracks the state of active sessions, allowing for dynamic rule evaluation instead of static filtering. This approach improves security by only allowing return traffic that matches an existing session.We also dive

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14:50

Episode 95: IPS and IDS Devices — Detecting and...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Intrusion detection and prevention systems are vital for securing the network against both known and emerging threats. In this episode, we explain the difference between IDS (which monitors and alerts) and IPS (which actively blocks malicious traffic). You'll learn how these devices analyze traffic using signature-based detection, anomaly detection, and heuristics. We discuss inline vs. passive deployment and what role these systems play in a layered defense strategy.We also cover common

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14:04

Episode 94: Voice Gateways and VoIP Translation

Certified - CompTIA Network + Audio Course ·

2025/07/20

Voice gateways serve as the bridge between traditional phone systems and modern VoIP networks. In this episode, we explain how voice gateways convert analog voice signals into digital packets and how they integrate with systems like PBXs and SIP servers. You’ll learn about protocol translation, codec negotiation, and how gateways ensure interoperability between PSTN lines and IP-based communication systems.We also cover common deployment models, such as digital gateways using PRI trunks and

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13:19

Episode 93: Modems, Media Converters, and Repeaters

Certified - CompTIA Network + Audio Course ·

2025/07/20

Basic connectivity often depends on simple but powerful devices like modems, media converters, and repeaters. In this episode, we break down the function of each of these tools, starting with modems, which convert digital signals into analog for transmission over traditional telephone lines and vice versa. Media converters are used to translate signals between copper and fiber, enabling compatibility between different physical media types. Repeaters extend the length of a cable by

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14:59

Episode 92: Proxies and VPN Gateways — Secure Remote...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Secure access to internal resources is more critical than ever, and that’s where proxies and VPN gateways come into play. This episode explores how forward proxies, reverse proxies, and transparent proxies act as intermediaries between clients and the internet, enabling content filtering, caching, and user anonymity. We also introduce the concept of VPN gateways, which establish secure tunnels for remote users or site-to-site communication using encryption protocols like IPsec and

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13:53

Episode 91: Load Balancers — Sharing the Traffic Load

Certified - CompTIA Network + Audio Course ·

2025/07/20

Load balancers are essential components in modern networks, ensuring that incoming traffic is efficiently distributed across multiple servers or resources. In this episode, we explore how load balancers operate at different layers of the OSI model, including Layer 4 (transport) and Layer 7 (application). You’ll learn how they make decisions based on port numbers, session persistence, or application-specific data such as HTTP headers. These devices not only improve performance but also

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14:22

Episode 90: Access Points and Wireless LAN Controllers

Certified - CompTIA Network + Audio Course ·

2025/07/20

Wireless access points (APs) and Wireless LAN Controllers (WLCs) are essential to managing and scaling enterprise wireless environments. This episode begins with how standalone APs operate, how they handle SSID broadcasting and client authentication, and what their limitations are when deployed independently. We then shift focus to WLCs, which centralize configuration, management, and monitoring for large AP deployments, allowing for seamless client roaming, load balancing, and security

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16:54

Episode 89: Hubs and Bridges — Legacy Devices Explained

Certified - CompTIA Network + Audio Course ·

2025/07/20

While hubs and bridges are largely obsolete in modern networks, they still appear on the Network Plus exam and are worth understanding for historical context and comparison. In this episode, we explain how hubs operate as basic Layer 1 repeaters, sending signals to all connected devices without any form of filtering or intelligence. You'll learn why this caused collision domains to expand and why performance and scalability were severely limited.We then introduce bridges, which marked an

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12:56

Episode 88: Routers — Path Decision Makers

Certified - CompTIA Network + Audio Course ·

2025/07/20

Routers are the decision-makers of the network, directing traffic between different IP networks and ensuring that data finds the most efficient path to its destination. In this episode, we focus on router functionality, including how routing tables are built, how static and dynamic routes are applied, and how the router uses metrics and administrative distance to prioritize paths. You'll also learn how routers separate broadcast domains and operate across subnets to create scalable,

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14:07

Episode 87: Layer 3 Switches — When a Switch Becomes...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Layer 3 switches bridge the gap between switching and routing by combining the frame forwarding capability of Layer 2 devices with the IP-based decision-making of routers. In this episode, we explain how Layer 3 switches perform inter-VLAN routing using switch virtual interfaces (SVIs) and how they support static and dynamic routing protocols. You’ll learn how they differ from traditional routers, when to use them, and how their performance advantages make them ideal for high-speed core or

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13:15

Episode 86: Layer 2 Switches — MAC Tables and...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Layer 2 switches operate at the data link layer and are responsible for intelligently forwarding frames within a local network segment. In this episode, we explore how switches use MAC address tables to make forwarding decisions, learning source MAC addresses from incoming frames and building a dynamic table that reduces unnecessary traffic. You'll learn what happens when a switch receives a frame with an unknown destination MAC and how it uses flooding to ensure delivery without knowing

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185 results

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