Certified - CompTIA Network + Audio Course

This episode introduces Virtual Local Area Networks (VLANs), which logically segment networks into separate broadcast domains on the same physical infrastructure. VLANs improve security, performance,…

This episode explores bandwidth management techniques, including traffic shaping and prioritization. Shaping controls the flow of traffic to match available bandwidth, while prioritization ensures cr…

This episode examines link-state and hybrid routing protocols, including Open Shortest Path First (OSPF), Enhanced Interior Gateway Routing Protocol (EIGRP), and Border Gateway Protocol (BGP). Link-s…

This episode introduces dynamic routing protocols, focusing on distance vector protocols such as Routing Information Protocol (RIP). Distance vector protocols determine the best path based on hop cou…

This episode focuses on static routing, where administrators manually configure routes, and the concept of administrative distance, which determines the trustworthiness of routes when multiple option…

This episode introduces routing, the process of directing packets between networks based on destination IP addresses. Routers use routing tables to determine the best path, ensuring data reaches the …

This episode examines Internet of Things (IoT) and Supervisory Control and Data Acquisition (SCADA) systems. IoT devices include sensors, cameras, and smart appliances that connect to networks, often…

This episode explores networked devices beyond standard workstations and servers. VoIP phones, network printers, and control systems are introduced as endpoints that rely on network connectivity for …

This episode introduces firewalls, which enforce security policies by controlling traffic entering or leaving a network. It explains the difference between packet-filtering, stateful inspection, and …

This episode explains Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS), which monitor network traffic for signs of malicious activity. IDS devices detect and alert administrat…

This episode introduces voice gateways, devices that translate between traditional telephony systems and modern Voice over IP (VoIP). They convert circuit-switched voice into packet-switched traffic,…

This episode covers modems, media converters, and repeaters, three devices that operate primarily at the physical layer. Modems modulate and demodulate signals for transmission over telephone or cabl…

This episode explains the role of proxies and VPN gateways in securing and managing remote access. Proxies act as intermediaries between clients and external servers, often providing content filterin…

This episode introduces load balancers, devices or software that distribute network or application traffic across multiple servers. By balancing requests, they prevent single systems from becoming ov…

This episode explains the role of wireless access points (APs) and wireless LAN controllers (WLCs). Access points provide wireless connectivity to client devices, bridging them into wired networks. W…

This episode introduces hubs and bridges, legacy devices that laid the foundation for modern switching. Hubs operate at Layer 1, repeating signals to all ports without intelligence, which creates col…

This episode focuses on routers, devices that operate at the Network Layer and make path decisions based on logical addressing. Routers examine destination IP addresses, consult routing tables, and f…

This episode explains Layer 3 switches, which combine the high-speed switching of Layer 2 with the routing capabilities of Layer 3. These devices can forward packets based on IP addresses, supporting…

This episode introduces Layer 2 switches, which operate at the Data Link Layer and make forwarding decisions based on MAC addresses. Switches maintain a MAC address table, mapping physical addresses …

This episode introduces Domain 2 of the Network Plus exam, which covers network implementations. While Domain 1 focused on fundamentals, Domain 2 builds on that knowledge by examining how devices, ar…