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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

14:09

Episode 85: Welcome to Domain 2 — Network...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Domain 2 of the Network Plus exam shifts focus from theory to real-world implementation—how devices are configured, deployed, and made to work together. In this episode, we provide an overview of the key topics covered in this domain, including network devices like switches and routers, wireless access points, and firewall configurations. You'll learn how network architecture is applied, how traffic is segmented using VLANs and trunks, and how link redundancy and failover contribute to a

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13:13

Episode 84: Troubleshooting Deeper Hardware and...

Certified - CompTIA Network + Audio Course ·

2025/07/20

While many network problems occur at the software or configuration level, some of the most persistent issues stem from failing hardware and physical media—especially in environments using fiber optics or high-speed switching. In this episode, we take a deep dive into hardware-based faults, including failing transceivers, misaligned optics, overheating components, and power supply instability. You’ll learn how to identify signs of impending failure, such as increasing CRC errors,

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13:29

Episode 83: Elasticity and Scalability — Growing on...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Cloud networks and virtual infrastructure platforms allow resources to grow and shrink based on demand—a concept known as elasticity. In this episode, we explore how elasticity allows organizations to handle variable workloads, such as spikes in web traffic or seasonal usage, without overprovisioning. You'll learn how scaling works both vertically (more power per instance) and horizontally (more instances), and what automation tools are used to trigger these actions.We also explain the

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13:54

Episode 82: Multitenancy — Sharing the Cloud Securely

Certified - CompTIA Network + Audio Course ·

2025/07/20

Multitenancy allows cloud providers to host multiple customers—known as tenants—on the same physical infrastructure while isolating each one’s data and services. In this episode, we explore how multitenancy works in shared environments, including virtual machines, containers, and network slices. You’ll learn how virtualization and segmentation allow providers to scale while maintaining customer security and privacy.We also discuss the risks associated with multitenancy, such as noisy

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14:05

Episode 81: Cloud Connectivity — VPN and Private Links

Certified - CompTIA Network + Audio Course ·

2025/07/20

Cloud services are only useful if your network can reach them securely and efficiently. In this episode, we examine the various ways networks connect to cloud providers, including VPNs, direct fiber links, and hybrid interconnects. You’ll learn how site-to-site VPNs provide encrypted tunnels between your internal network and a cloud-hosted VPC, and how solutions like AWS Direct Connect or Azure ExpressRoute offer lower latency and dedicated bandwidth.We also cover how failover, bandwidth

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13:45

Episode 80: Infrastructure as Code — Automating the...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Infrastructure as Code (IaC) is transforming how networks and systems are deployed, allowing infrastructure to be defined, managed, and provisioned using human-readable code. In this episode, we explain how IaC tools like Terraform, Ansible, and AWS CloudFormation allow IT teams to automate the creation of cloud and on-prem resources. You’ll learn how this reduces errors, speeds up deployments, and ensures consistency across environments.We also discuss version control, rollback, and how

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13:59

Episode 79: Cloud Service Models — SaaS, IaaS, PaaS,...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Cloud computing has reshaped how organizations build, deploy, and manage IT services. In this episode, we break down the different cloud service models—SaaS (Software as a Service), IaaS (Infrastructure as a Service), PaaS (Platform as a Service), and DaaS (Desktop as a Service). You’ll learn how each model provides a different level of control, from fully managed software to hands-on virtualized infrastructure. We explain where each model fits in an enterprise strategy and how they impact

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13:06

Episode 78: Network Attached Storage (NAS) —...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Network Attached Storage (NAS) provides centralized, file-level access to shared data across a network. In this episode, we dive into how NAS differs from SAN, focusing on the protocols used (such as SMB and NFS) and how NAS integrates with standard Ethernet infrastructure. You’ll learn how NAS appliances offer simplified storage management and are ideal for applications like backups, file sharing, and multimedia streaming.We also explore access control mechanisms, multi-user access, and

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13:20

Episode 77: Storage Area Networks (SANs) — High-Speed...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Storage Area Networks (SANs) are specialized networks designed to provide high-speed, block-level access to storage devices. In this episode, we explain how SANs differ from traditional file-based network storage, such as NAS, and how they enable critical enterprise applications to achieve high I/O performance. You’ll learn about SAN protocols like Fibre Channel and iSCSI, as well as the hardware components that make up a SAN, including HBAs, SAN switches, and target storage arrays.We also

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13:46

Episode 76: Zero Trust Network Design — Enforcing...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Zero Trust networking is more than a buzzword—it’s a security philosophy that’s quickly becoming a best practice. This episode explores what Zero Trust really means and how to implement its core principle: never trust, always verify. You’ll learn how Zero Trust breaks the traditional perimeter-based security model by treating all devices, users, and services as potentially untrusted, regardless of their location in the network. Every access request must be authenticated, authorized, and

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14:09

Episode 75: Understanding Network Traffic Flow —...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Traffic within a network doesn’t all behave the same way. In this episode, we explain the difference between north-south and east-west traffic flows—a concept that is essential in both design and troubleshooting. North-south traffic moves between internal networks and external entities, such as clients on the internet or external data services. East-west traffic, on the other hand, refers to communication between devices within the same network, such as servers in a data center or

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14:20

Episode 74: Spine-and-Leaf Architecture — Flattening...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Spine-and-leaf architecture is transforming the way data centers are designed, offering a high-performance alternative to traditional three-tier models. In this episode, we revisit this flat, scalable topology to emphasize how it reduces latency and ensures consistent bandwidth between any two endpoints in a network. You’ll learn how each leaf switch connects to every spine switch, forming a non-blocking fabric that allows for predictable east-west traffic flow. This design is especially

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13:03

Episode 73: Spine-and-Leaf Architecture — Flattening...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Spine-and-leaf architecture is rapidly becoming the go-to design for modern data centers due to its simplicity, scalability, and predictable performance. In this episode, we explain how this architecture differs from traditional three-tier models by flattening the topology. You’ll learn how leaf switches connect to end devices while spine switches act as the non-blocking backbone, providing full-mesh connectivity between leaves.We also cover design best practices such as equal-cost

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12:58

Episode 72: SDN in Operation — The Management Plane...

Certified - CompTIA Network + Audio Course ·

2025/07/20

While SDN defines the separation of control and data planes, the management plane provides the interface for human administrators and automation tools to interact with the network. In this episode, we explain how the management plane fits into the SDN model, and how it provides centralized policy creation, telemetry, configuration management, and logging. We highlight tools such as SDN dashboards, REST APIs, and orchestration platforms used in real-world deployments.We also explore how

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13:28

Episode 71: Software-Defined Networking (SDN)...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Software-Defined Networking (SDN) represents a shift from traditional hardware-based control to centralized, software-driven management. This episode introduces SDN by explaining how it separates the control plane from the data plane, allowing administrators to manage network behavior programmatically. You’ll learn how SDN controllers communicate with switches and routers to dictate traffic flow using APIs and open protocols like OpenFlow.We also explore the benefits SDN brings to the

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14:53

Episode 70: Three-Tiered Architecture — Core,...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Modern enterprise networks are often designed using a layered or three-tier architecture, which promotes scalability, redundancy, and modular design. In this episode, we examine each layer—access, distribution, and core—explaining the responsibilities and characteristics of each. The access layer connects end-user devices, the distribution layer handles routing and policy enforcement, and the core provides high-speed backbone connectivity between buildings or major zones.We also explain why

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18:54

Episode 69: Network Time Protocol (NTP) — Keeping...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Accurate timekeeping is more important in networking than it might seem, and Network Time Protocol (NTP) is the service that keeps all devices on the same page. This episode covers how NTP works across a hierarchy of time sources, including stratum levels and public time servers. You'll learn how client devices use UDP port 123 to request time updates and how NTP servers ensure synchronization without introducing loops or drift.We also explain the consequences of time drift, especially in

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17:48

Episode 68: DNS Essentials — Records, Resolution, and...

Certified - CompTIA Network + Audio Course ·

2025/07/20

DNS is a critical component of almost every network service, translating human-readable domain names into IP addresses that computers can use. In this episode, we take a comprehensive look at how DNS resolution works, including recursive queries, root hints, and forwarders. We also examine caching behavior and explain how propagation delays can affect name resolution after DNS records are updated.You’ll learn about the different types of DNS records, including A, AAAA, MX, CNAME, PTR, and

en

14:37

Episode 67: DHCP Concepts and Configuration...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Dynamic Host Configuration Protocol (DHCP) automates the IP addressing process, making network management easier and more scalable. In this episode, we walk through DHCP's role in assigning IP addresses, subnet masks, gateways, and DNS settings to clients. You'll learn how the DORA process (Discover, Offer, Request, Acknowledgment) works and how to interpret each phase when troubleshooting. DHCP is a vital service in any network, and a misconfigured scope or exhausted pool can cause

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15:08

Episode 66: Connection-Oriented vs. Connectionless —...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Not all network communications are created equal. In this episode, we explore the fundamental differences between connection-oriented and connectionless communication. You'll learn how connection-oriented methods like TCP establish a session before transmitting data, ensuring reliability and ordered delivery. We explore the scenarios where this is essential—such as banking, file transfers, and secure login processes—because each bit of information must arrive intact and acknowledged.In

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185 results

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