All Episodes
Certified - CompTIA Network + Audio Course — 185 episodes
Welcome to the CompTIA Network+ Certification Audio Course
Episode 184: Network Troubleshooting Methodology Recap and Exam Readiness
Episode 183: BYOD, Licensing Issues, and Troubleshooting Oddities
Episode 182: Optical, Hardware, and Performance Issues — Identifying and Resolving Problems
Episode 181: DNS and NTP Failures — Troubleshooting Name and Time Resolution
Episode 180: Asymmetric Routing, Multicast Flooding, and ACL Misconfigurations
Episode 179: Collision Domains, Broadcast Storms, and Routing Loops
Episode 178: Routing Troubleshooting — Missing Routes, DHCP, and Address Conflicts
Episode 177: Network Foundations — VLAN, Interface, and Configuration Checks
Episode 176: Wireless Configuration Problems — SSID, Encryption, and Client Issues
Episode 175: Wireless Issues — Antenna Placement, Channels, and Signal Loss
Episode 174: Wireless Limitations — Throughput, Signal Strength, and Power
Episode 173: Interface, Routing, and Platform-Specific Diagnostics
Episode 172: Infrastructure Tools — TFTP, Terminal Emulators, and Basic Commands
Episode 171: Network Discovery and Performance Monitoring
Episode 170: Packet Inspection and Traffic Analysis Tools
Episode 169: Wireless Troubleshooting — Tools and Bandwidth Analysis
Episode 168: Advanced Tools for Fiber Optics and Signal Testing
Episode 167: Cable Testing Tools — Crimpers, Punchdowns, and Locators
Episode 166: Link Layer Diagnostics — Duplexing, Transceivers, and LEDs
Episode 165: Common Cable Faults, Errors, and Hardware Issues
Episode 164: Cable Performance Specifications and Specialized Applications
Episode 163: Troubleshooting Methodology — Implementing Solutions and Documentation
Episode 162: Troubleshooting Methodology — Identifying Problems and Probable Causes
Episode 161: Welcome to Domain 5 — Network Troubleshooting
Episode 160: Detection Methods and Prevention through Training
Episode 159: Physical Security Fundamentals — Access Control and Asset Disposal
Episode 158: Advanced Wireless Security — MAC Filters, Client Isolation, and Captive Portals
Episode 157: Firewall Rules and ACL Management
Episode 156: Hardening Network Devices — Interfaces, Passwords, and Firmware Management
Episode 155: Dynamic ARP Inspection, DHCP Snooping, and Control Plane Policing
Episode 154: Network Hardening Essentials — SNMP, Router Advertisements, and Port Security
Episode 153: Phishing, Tailgating, and Physical Threats
Episode 152: IP Spoofing, Deauthentication, and Social Engineering
Episode 151: Ransomware, Malware, and Password Attacks
Episode 150: ARP Spoofing, MAC Spoofing, and Rogue Devices
Episode 149: VLAN Hopping and Layer 2 Exploits
Episode 148: On-Path Attacks and DNS Poisoning — Network Compromise Techniques
Episode 147: Denial-of-Service (DoS) and Distributed Denial-of-Service (DDoS) Attacks
Episode 146: Risk Management, Security Assessments, and SIEM
Episode 145: Securing Access with 802.1X and EAP
Episode 144: Centralized Authentication — TACACS+, RADIUS, SSO, and Directory Services
Episode 143: Advanced Security Mechanisms — NAC, Honeypots, and Authentication Models
Episode 142: Zero Trust and Defense in Depth Models
Episode 141: Principle of Least Privilege and RBAC
Episode 140 — Vulnerabilities, Exploits, and Exposure Concepts
Episode 139: The CIA Triad and Types of Network Threats
Episode 138: Welcome to Domain 4 — Network Security
Episode 137: Backup and Restore for Network Devices
Episode 136: VRRP and FHRP — Virtual Router Redundancy
Episode 135: Diverse Paths and Internet Redundancy — Ensuring Availability
Episode 134: Disaster Recovery Sites and Architectures (Cold, Warm, Hot, Cloud, Active)
Episode 133: Hardware Redundancy — Routers, Switches, and Facility Infrastructure
Episode 132: Load Balancing, Multipathing, and NIC Teaming
Episode 131: Business Agreements — NDAs, SLAs, MOUs
Episode 130: Network Documentation — Physical, Logical, and Audit Reports
Episode 129: Security Hardening Policies — Passwords, DLP, and Device Access
Episode 128: Standard Operating Procedures (SOPs)
Episode 127: Incident Response, Disaster Recovery, and Business Continuity
Episode 126: Change Management and System Life Cycle
Episode 125: Baselines and NetFlow — Measuring Network Health
Episode 124: Interface Errors and Environmental Factors — Early Detection
Episode 123: Logging Essentials — Syslog, Auditing, and Interface Statistics
Episode 122: Performance Metrics, Sensors, and SNMP Basics
Episode 121: Welcome to Domain 3 — Network Operations
Episode 120: MIMO and MU-MIMO — Multiplying Wireless Performance
Episode 119: Cellular Technologies — Connecting Beyond Wi-Fi
Episode 118: Securing Wi-Fi — Encryption Standards and Enterprise Practices
Episode 117: Wi-Fi Topologies, SSIDs, and Antenna Types
Episode 116: Wireless Frequencies, Channels, and Bandwidth Optimization
Episode 115: 802.11 Wireless Standards — From a to ax
Episode 114: CSMA/CD, ARP, and Neighbor Discovery
Episode 113: Spanning Tree Protocol — Loop Prevention for Switches
Episode 112: Power over Ethernet (PoE and PoE+)
Episode 111: MAC Address Tables — How Switches Learn
Episode 110: Jumbo Frames and Auto-MDI-X — Optimizing Transmission
Episode 109: Port Security — Limiting Access at the Switch Edge
Episode 108: Port Configuration and Mirroring Essentials
Episode 107: Port Aggregation with LACP
Episode 106: Port Tagging and 802.1Q — Trunks and VLAN IDs
Episode 105: VLANs — Segmenting the Network with Data and Voice
Episode 105: VLANs — Segmenting the Network with Data and Voice
Episode 104: Bandwidth Management — Shaping and Prioritizing Traffic
Episode 102: Link-State and Hybrid Routing Protocols — OSPF, EIGRP, and BGP
Episode 101: Dynamic Routing Protocols — Distance Vector and RIP
Episode 100: Static Routing and Administrative Distance
Episode 99: Introduction to Routing — What It Does and Why It Matters
Episode 98: IoT and SCADA Systems — Small Devices, Big Impacts
Episode 97: Networked Devices — VoIP Phones, Printers, and Controls
Episode 96: Firewalls — Stateful Inspection and Access Control
Episode 95: IPS and IDS Devices — Detecting and Stopping Attacks
Episode 94: Voice Gateways and VoIP Translation
Episode 93: Modems, Media Converters, and Repeaters
Episode 92: Proxies and VPN Gateways — Secure Remote Access
Episode 91: Load Balancers — Sharing the Traffic Load
Episode 90: Access Points and Wireless LAN Controllers
Episode 89: Hubs and Bridges — Legacy Devices Explained
Episode 88: Routers — Path Decision Makers
Episode 87: Layer 3 Switches — When a Switch Becomes a Router
Episode 86: Layer 2 Switches — MAC Tables and Forwarding Decisions
Episode 85: Welcome to Domain 2 — Network Implementations
Episode 84: Security Implications of Cloud Computing
Episode 83: Elasticity and Scalability — Growing on Demand
Episode 82: Multitenancy — Sharing the Cloud Securely
Episode 81: Cloud Connectivity — VPN and Private Links
Episode 80: Infrastructure as Code — Automating the Cloud
Episode 79: Cloud Service Models — SaaS, IaaS, PaaS, and DaaS
Episode 78: Cloud Deployment Models — Public, Private, Hybrid, Community
Episode 77: Storage Area Networks (SANs) — High-Speed Storage Over the Network
Episode 76: Location Models — Branch Office, On-Prem, and Colocation
Episode 75: Understanding Network Traffic Flow — North-South vs. East-West
Episode 74: Spine-and-Leaf Architecture — Flattening the Network
Episode 73: SDN in Operation — The Management Plane Explained
Episode 72: Software-Defined Networking (SDN) Fundamentals
Episode 71: Three-Tiered Architecture — Core, Distribution, and Access
Episode 70: Network Time Protocol (NTP) — Keeping Clocks in Sync
Episode 69: DNS Essentials — Records, Resolution, and Queries
Episode 68: DHCP Concepts and Configuration Essentials (Scope, Reservations, Relay)
Episode 67: Connection-Oriented vs. Connectionless — Making Sense of Transport Styles
Episode 66: GRE and IPsec — Tunneling and Secure Transport
Episode 65: TCP and UDP — The Transport Layer's Two Engines
Episode 64: ICMP — The Network's Messaging System
Episode 63: SIP and VoIP Protocols
Episode 62: SNMP and Network Management Traffic
Episode 61: File and Print Services — SMB and SQL Protocols
Episode 60: Network Services — DNS, DHCP, NTP, Syslog
Episode 59: Web and Directory Services — HTTP, HTTPS, LDAP, LDAPS
Episode 58: Email Protocols — SMTP, POP3, IMAP, and Their Secure Variants
Episode 57: Protocols for Remote Access — SSH, Telnet, and RDP
Episode 56: Protocols for File Transfer — FTP, SFTP, TFTP, and More
Episode 55: Virtual IPs and Subinterfaces — Logical Address Extensions
Episode 54: IPv6 Transition Technologies
Episode 53: IPv6 Subnetting and Address Planning
Episode 52: IPv4 Subnetting — The Process Step by Step
Episode 51: CIDR Notation — Reading and Writing Network Ranges
Episode 50: Classless Addressing and VLSM
Episode 49: Understanding Classful IPv4 Addressing
Episode 48: The Default Gateway — Directing Traffic Outward
Episode 47: IPv6 Address Types — Know the Modes of Delivery
Episode 46: IPv4 vs. IPv6 — A Structural Comparison
Episode 45: APIPA and EUI-64 — Self-Assigned and Extended Addressing
Episode 44: PAT — Port Address Translation and Overload NAT
Episode 43: NAT — Hiding Networks Behind a Single IP
Episode 42: Public vs. Private Addressing — What You’re Allowed to Use
Episode 41: Introduction to IP Addressing and Subnetting
Episode 40: Ethernet Standards over Fiber and Multiplexing
Episode 39: Ethernet Standards over Copper
Episode 38: Cable Management, Panels, and Punchdowns
Episode 37: Media Converters — Bridging the Gap
Episode 36: Transceiver Modules — Plugging Light into Switches
Episode 35: Common Fiber and Copper Connector Types
Episode 34: Single-Mode vs. Multimode Fiber
Episode 33: Understanding Fiber Optic Cabling
Episode 32: Termination Standards — TIA/EIA-568A vs. 568B
Episode 31: Coaxial and Twinaxial Cables
Episode 30: Twisted Pair Cabling Standards — Cat 5, 5e, 6, 6a, and Beyond
Episode 29: Introduction to Transmission Media and Copper Cabling
Episode 28: Network Provider Links — From Satellite to Metro Optical
Episode 27: Network Function Virtualization (NFV) in Practice
Episode 26: Virtual Network Interfaces and Components
Episode 25: Network Entry Points — Demarcation and Smartjacks
Episode 24: Modern WAN Technologies — MPLS and mGRE
Episode 23: Storage and Virtual Networking
Episode 22: Specialized Network Types — WLAN, PAN, CAN
Episode 21: LAN, MAN, and WAN — The Scope of Networks
Episode 20: Peer-to-Peer vs. Client-Server Architectures
Episode 19: Network Topologies — What Connects What
Episode 18: MTU and Fragmentation — Why Packet Size Matters
Episode 17: Inside the Packet — Headers and Payloads
Episode 16: OSI Upper Layers and Data Encapsulation (Layers 5–7 and Encapsulation)
Episode 15: OSI Layer 4 — The Transport Layer
Episode 14: OSI Layer 3 — The Network Layer
Episode 13: OSI Layer 1 and Layer 2 — Physical and Data Link Layers
Episode 12: What Is the OSI Model and Why It Still Matters
Episode 11: Welcome to Domain 1 — Networking Fundamentals
Episode 10: Glossary Essentials — Wireless, Virtualization, and Cloud Terms
Episode 9: Glossary Essentials — Security and Protocol Terms
Episode 8: Glossary Essentials — Core Networking Terms
Episode 7: Exam Day Strategy — From Sleep to Scantron
Episode 6: Labs and Simulations — Learning by Doing
Episode 5: Study Smarter — Building a Bulletproof Learning Plan
Episode 4: How to Think Like a Test Writer — The Anatomy of a CompTIA Question
Episode 3: What to Expect on the Network Plus Exam
Episode 2: What Is the Network Plus Certification and Why Take It?
Episode 1: Welcome to the Network Plus Audio Course