x

75% of people globally want unbiased news (Pew Research) but are concerned they're not getting that.

Get balanced coverage with Symby. See how stories are covered across diverse outlets and spot when one side covers a story the other skips.

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

education courses

All Episodes

15:30

Episode 45: Interface Errors and Duplex Mismatches

Certified - CompTIA Network + Audio Course ·

2025/07/20

Interface-level problems can wreak havoc on network performance and are often the root cause of symptoms like slow connections, dropped packets, and unreliable links. This episode focuses on diagnosing errors reported by switch and router interfaces, such as CRC errors, late collisions, input errors, and output drops. These indicators reveal underlying issues that often stem from bad cables, failing hardware, or misconfigured ports. Understanding how to interpret these counters is essential

en

14:45

Episode 44: Network Connectivity Troubleshooting —...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Troubleshooting network connectivity requires a methodical approach that spans every layer from physical cables to application responses. In this episode, we cover how to diagnose full end-to-end communication failures using a structured strategy. You’ll learn how to begin with Layer 1 cable checks, move through IP configuration and routing, and finally test DNS and application-level responses. By isolating each step in the communication chain, you can identify exactly where the problem

en

15:28

Episode 43 — NAT — Hiding Networks Behind a Single IP

Certified - CompTIA Network + Audio Course ·

2025/07/20

In this episode, we explore Network Address Translation, commonly known as N A T, a core networking function used to mask internal IP addresses and facilitate internet access for multiple devices using a single public address. N A T is essential in modern networks due to the limited number of available I P version four addresses. You’ll learn how N A T modifies packet headers in real time, translating private I P addresses into routable ones while maintaining session integrity. The episode

en

16:50

Episode 42: DNS Troubleshooting — Resolution Failures...

Certified - CompTIA Network + Audio Course ·

2025/07/20

DNS issues are notoriously deceptive—everything looks connected, but nothing loads. In this episode, we explore how DNS resolution works step by step and why it often causes issues that masquerade as general connectivity problems. You'll learn how to diagnose common failures like unreachable DNS servers, misconfigured DNS clients, and issues with recursive vs. authoritative name resolution. We also cover how split-horizon DNS and DNS forwarding can create internal resolution

en

16:06

Episode 41: DHCP Troubleshooting — Address Leases and...

Certified - CompTIA Network + Audio Course ·

2025/07/20

When clients can’t get an IP address, everything else breaks—and DHCP is often the culprit. This episode guides you through common Dynamic Host Configuration Protocol (DHCP) issues, including lease failures, scope exhaustion, and IP conflicts. You’ll learn how DHCP works from offer to acknowledgment and where the process breaks down. Misconfigured scopes, incorrect subnet masks, and rogue DHCP servers are all discussed as causes of intermittent or total network failure.We also walk through

en

16:32

Episode 40: Wireless Roaming and Sticky Clients

Certified - CompTIA Network + Audio Course ·

2025/07/20

Wireless networks are designed for mobility, but when devices move between access points, things can go wrong. In this episode, we explore wireless roaming behavior and what happens when clients fail to transition smoothly between APs. You'll learn how sticky clients cling to weak signals instead of switching to stronger nearby access points, causing poor performance and dropped connections. We discuss how roaming thresholds, signal thresholds, and controller-based features like fast

en

16:03

Episode 39: Wireless Authentication Issues — WPA2,...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Authentication problems are some of the most frustrating issues in wireless networking, and this episode breaks down why they happen and how to fix them. We begin by comparing WPA2 and WPA3, explaining their encryption methods, compatibility challenges, and common configuration pitfalls. You'll learn how PSK (pre-shared key) authentication works versus enterprise-level setups that use centralized RADIUS servers. Many connectivity issues stem from mismatched encryption settings, expired

en

14:27

Episode 38: Wireless Troubleshooting — Signal...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Wireless networks introduce unique troubleshooting challenges that differ significantly from wired environments. In this episode, we focus on signal strength, interference, and channel planning as core issues affecting wireless performance. You’ll learn how RSSI and SNR influence the quality of a wireless connection, and how even a strong signal can perform poorly in a noisy environment. We also explain how improper placement of access points, antenna misalignment, and physical obstructions

en

15:50

Episode 37: Spanning Tree Protocol Deep Dive — STP...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Spanning Tree Protocol is one of the most vital tools for preventing switching loops, and this episode delivers a comprehensive walkthrough of how it works. You’ll learn about the original IEEE 802.1D STP protocol, including how root bridge elections work, how port roles are assigned, and what port states (blocking, listening, learning, forwarding) mean. We illustrate the entire STP process using simplified examples that clarify how switches avoid creating loops while still providing

en

15:26

Episode 36: Common Switch Issues — Loops, Flooding,...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Switches are powerful, but when misconfigured or misunderstood, they can wreak havoc. This episode focuses on some of the most damaging Layer 2 problems: switching loops, flooding conditions, and broadcast storms. You’ll learn how a single redundant connection without proper loop prevention can cause frames to circulate endlessly, consuming bandwidth and overwhelming devices. We explore how broadcast storms develop when multiple loops or improper configurations create unchecked traffic

en

15:30

Episode 35: Switch Behavior — Flooding, Learning, and...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Understanding switch behavior is key to mastering Layer 2 operations. This episode explains how switches handle Ethernet frames using three primary actions: flooding, learning, and forwarding. You’ll learn how switches build MAC address tables by examining the source address of each frame they receive, and how they use this information to intelligently forward traffic only to the intended destination port. We break down what happens when a switch receives traffic for an unknown destination,

en

15:54

Episode 34: Switch Interface Configuration and Port...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Switch ports are more than just physical entry points—they’re policy enforcement zones, performance bottlenecks, and critical tools for maintaining Layer 2 security. In this episode, we walk through the fundamental configurations applied to switch interfaces, including setting the port mode (access vs. trunk), assigning VLANs, enabling speed and duplex settings, and applying descriptions for documentation clarity. We explain how misconfigurations in these settings can result in connectivity

en

17:07

Episode 33: Port Mirroring and SPAN — Monitoring...

Certified - CompTIA Network + Audio Course ·

2025/07/20

When you need to monitor what’s actually happening inside your network, port mirroring is the go-to technique. This episode focuses on SPAN (Switched Port Analyzer) and its role in duplicating network traffic from one port or VLAN to another. You’ll learn how port mirroring enables real-time packet capture for diagnostic tools like Wireshark and how it supports security monitoring, troubleshooting, and compliance auditing. We explain the difference between local SPAN and RSPAN, how to

en

16:12

Episode 32: Port Aggregation with LACP — Bundling...

Certified - CompTIA Network + Audio Course ·

2025/07/20

In high-performance or high-availability environments, a single uplink isn’t always enough. That’s where port aggregation comes in. This episode explores how to combine multiple physical links into a single logical channel using the Link Aggregation Control Protocol, or LACP. You’ll learn how LACP negotiates bundle formation between switches or between a switch and a server, and how it prevents loops by acting like a single link. We cover typical configuration steps, show how LACP interacts

en

14:11

Episode 31: Port Tagging and 802.1Q — Understanding...

Certified - CompTIA Network + Audio Course ·

2025/07/20

VLANs don’t work across multiple switches unless you understand how to carry traffic between them, and that’s where port tagging and 802.1Q come in. This episode focuses on how trunk ports are configured and how VLAN tags are added and removed as frames move across a switched network. We explain how 802.1Q tagging inserts VLAN IDs into Ethernet frames and how trunk links enable multiple VLANs to be carried on a single cable. You’ll also learn how access ports differ from trunk ports and why

en

13:39

Episode 30: Switching Loops and STP — Preventing...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Without protection mechanisms, switches can form loops that result in broadcast storms and network outages. This episode explains how loops occur and how the Spanning Tree Protocol (STP) prevents them. You’ll learn about bridge IDs, root bridge election, and port states such as blocking, forwarding, and listening. These concepts form the backbone of loop prevention at Layer 2.We also explore common STP misconfigurations and the impact they can have, such as inconsistent path behavior or

en

13:28

Episode 29: Switching Concepts — MAC Address Tables...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Switches rely on MAC address tables to forward traffic efficiently, and this episode explains how that process works step by step. You’ll learn how switches build MAC tables by listening to incoming frames and associating source MAC addresses with ports. This enables switches to forward frames directly instead of broadcasting them, improving performance and reducing unnecessary traffic.We also explore what happens when MAC tables are full or when the destination MAC is unknown. Topics such

en

13:27

Episode 28: VLAN Configuration and Trunking Essentials

Certified - CompTIA Network + Audio Course ·

2025/07/20

Building on the previous episode, this segment walks you through how VLANs are configured on switches and how trunking enables them to work across multiple devices. You’ll learn how to assign ports to VLANs, configure trunk interfaces, and verify settings using show commands. We also explain native VLANs and how misconfigurations can lead to traffic loss or security risks.We highlight the difference between access and trunk ports, describe how to troubleshoot VLAN mismatches, and explain

en

14:55

Episode 27: VLANs — Segmenting the Network for...

Certified - CompTIA Network + Audio Course ·

2025/07/20

Virtual LANs, or VLANs, allow you to break a single switch into multiple logical networks. This episode explains what VLANs are, how they work, and why they’re essential in modern network design. You’ll learn how VLANs reduce broadcast traffic, isolate departments or device types, and enhance security by separating sensitive systems from general access.We also explore how VLAN IDs are assigned, how trunk ports carry multiple VLANs across switches, and how VLAN tagging works through the

en

17:54

Episode 26: Routing Protocols — RIP, OSPF, and BGP...

Certified - CompTIA Network + Audio Course ·

2025/07/20

This episode dives deeper into the most common dynamic routing protocols you’ll encounter on the exam: RIP, OSPF, and BGP. We begin with RIP, one of the oldest protocols, and explain how it uses hop count to make decisions. Then we move on to OSPF, which uses link-state information and areas to calculate the best path through a network, providing faster convergence and more scalability than RIP.Finally, we examine BGP, the protocol that makes internet routing possible. You’ll learn how BGP

en

185 results

Similar Podcasts

Science Talk

Albert Einstein College of Medicine

五分钟心理学

柠檬心理

Daily Facts

Amalia Dupray and Montgomery Jones.

Les dents et dodo

BFMTV

Veterinary Clinical Podcasts

The Royal Veterinary College