All Episodes
Displaying 61 - 80 of 185 in total
Episode 61: File and Print Services — SMB and SQL Protocols
This episode introduces file and print services, focusing on the Server Message Block (SMB) protocol and the role of SQL-based services in network environments. SMB al...
Episode 62: SNMP and Network Management Traffic
This episode covers Simple Network Management Protocol (SNMP), which enables administrators to monitor and manage network devices. SNMP uses a manager–agent model, whe...
Episode 63: SIP and VoIP Protocols
This episode introduces Session Initiation Protocol (SIP) and other Voice over IP (VoIP) protocols that support modern telephony systems. SIP establishes, manages, and...
Episode 64: ICMP — The Network's Messaging System
This episode examines the Internet Control Message Protocol (ICMP), which communicates error messages and diagnostic information between devices. ICMP is not used to t...
Episode 65: TCP and UDP — The Transport Layer's Two Engines
This episode focuses on Transmission Control Protocol (TCP) and User Datagram Protocol (UDP), the two primary protocols at the transport layer. TCP is connection-orien...
Episode 66: GRE and IPsec — Tunneling and Secure Transport
This episode introduces two important tunneling and transport technologies: Generic Routing Encapsulation (GRE) and Internet Protocol Security (IPsec). GRE provides a ...
Episode 67: Connection-Oriented vs. Connectionless — Making Sense of Transport Styles
This episode explains the difference between connection-oriented and connectionless communication, two fundamental transport styles. Connection-oriented communication,...
Episode 68: DHCP Concepts and Configuration Essentials (Scope, Reservations, Relay)
This episode explores Dynamic Host Configuration Protocol (DHCP), which automatically assigns IP addresses and related configuration details to devices. Concepts such ...
Episode 69: DNS Essentials — Records, Resolution, and Queries
This episode examines the Domain Name System (DNS), which translates hostnames into IP addresses. It introduces common record types such as A, AAAA, MX, and CNAME, as ...
Episode 70: Network Time Protocol (NTP) — Keeping Clocks in Sync
This episode explains Network Time Protocol (NTP), which synchronizes clocks across devices to ensure accurate timestamps and coordinated operations. Accurate timekeep...
Episode 71: Three-Tiered Architecture — Core, Distribution, and Access
This episode introduces the three-tiered network architecture model, which organizes devices into core, distribution, and access layers. The core provides fast, high-c...
Episode 72: Software-Defined Networking (SDN) Fundamentals
This episode explains Software-Defined Networking (SDN), which separates the control plane from the data plane to provide centralized management and programmability. I...
Episode 73: SDN in Operation — The Management Plane Explained
This episode explores how SDN operates in practice, focusing on the management plane. The management plane is where administrators define network policies, monitor per...
Episode 74: Spine-and-Leaf Architecture — Flattening the Network
This episode introduces spine-and-leaf architecture, a design commonly used in modern data centers. In this model, all leaf switches connect to every spine switch, cre...
Episode 75: Understanding Network Traffic Flow — North-South vs. East-West
This episode explains the concepts of north–south and east–west traffic flow in networks. North–south traffic refers to communication between internal devices and exte...
Episode 76: Location Models — Branch Office, On-Prem, and Colocation
This episode introduces network location models, focusing on branch office, on-premises, and colocation deployments. A branch office model connects smaller remote offi...
Episode 77: Storage Area Networks (SANs) — High-Speed Storage Over the Network
This episode explains Storage Area Networks (SANs), specialized networks that provide high-speed access to consolidated storage resources. SANs use protocols like Fibr...
Episode 78: Cloud Deployment Models — Public, Private, Hybrid, Community
This episode introduces the four main cloud deployment models: public, private, hybrid, and community. Public clouds provide shared resources over the Internet, privat...
Episode 79: Cloud Service Models — SaaS, IaaS, PaaS, and DaaS
This episode covers cloud service models, which define how computing resources are delivered. Software as a Service (SaaS) provides complete applications, Infrastructu...
Episode 80: Infrastructure as Code — Automating the Cloud
This episode introduces Infrastructure as Code (IaC), the practice of managing and provisioning infrastructure through machine-readable configuration files rather than...