1 Network Models (34.09 MB)
2 OSI Reference Model (53.05 MB)
3 The TCPIP Protocol SuiteStack (31.86 MB)
4 Application Layer Services (27.77 MB)
5 Transport Layer Protocols (71.69 MB)
6 Network Layer Protocols (39.84 MB)
7 Data Link Layer Protocols (39.93 MB)
8 Encapsulation and Decapsulation (78.53 MB)
1 Intro to NTP and DNS (13.77 MB)
2 DNS Overview (70.51 MB)
3 NTP Demonstration (47.45 MB)
4 NTP Overview (77.38 MB)
5 DNS Record Types (75.77 MB)
6 DNS Server Demonstration (46.02 MB)
1 Intro to Network Architectures (15.19 MB)
2 Network Architectures Overview (51.61 MB)
3 Three-Tiered Architecture (127.02 MB)
4 Datacenter Architecture (54.61 MB)
5 Storage Area Networks (95.61 MB)
6 Wide Area Networks (82.12 MB)
7 Software Defined Networking (SDN) (151.14 MB)
1 Intro to Cloud Services (10.51 MB)
2 Cloud Service Overview (253.93 MB)
3 Service Models (183.34 MB)
4 Infrastructure as Code (111.91 MB)
5 Demand Based Resources (33.45 MB)
6 Cloud Security Concerns (156.56 MB)
1 Intro to Network Infrastructure Devices (25.72 MB)
2 Layer 1 Devices (114.42 MB)
3 Layer 2 Devices (228.69 MB)
4 Devices at Layer 3 and 4 (150.96 MB)
5 Application Layer Devices (68.09 MB)
1 Intro to IP Routing (13.13 MB)
2 IP Routing Overview (79.82 MB)
3 Directly Connected Networks (78.61 MB)
4 Static Routes (148.46 MB)
5 Dynamic Routing Protocols Overview (169.43 MB)
6 RIP (103.7 MB)
7 OSPF (94.48 MB)
8 EIGRP (135.15 MB)
9 BGP (121.24 MB)
1 Intro to Ethernet Switching (14.11 MB)
2 Layer 2 Switching Review (154.15 MB)
3 VLANs and Routing (270.85 MB)
4 The Mutli-Layer Switch (75.11 MB)
5 Multi-layer Switch Demonstration (107.14 MB)
1 Intro to Enterprise Ethernet Networks (30.4 MB)
2 Enterprise Ethernet Networking Overview (144.06 MB)
3 802 1Q Trunking (133.74 MB)
4 Spanning Tree Protocol (152.76 MB)
5 Link Aggregation with LACP (62.46 MB)
6 Improving Performance (164.48 MB)
1 Intro to Wi-Fi and Wireless (10.03 MB)
2 Wi-Fi Standards (147.52 MB)
3 Wi-Fi Frequencies (214.05 MB)
4 WiFi Topologies (185.72 MB)
5 Antenna Types (49.97 MB)
6 Authentication and Encryption (49.5 MB)
7 Cellular Technologies (30.63 MB)
1 Intro to Network Operations (20.88 MB)
2 Operations Overview (36.85 MB)
3 SNMP (97.9 MB)
4 Performance Metrics (105.58 MB)
5 Network Device Logs (70.38 MB)
6 Interface Status (106.45 MB)
7 NetFlow (85.22 MB)
8 Environmental Controls and Sensors (69.46 MB)
1 Intro to HA (17.17 MB)
2 High Availability and Fault Tolerance Overview (123.52 MB)
3 Redundant Default Gateway (FHRP) (59.23 MB)
4 FHRP Demonstration (99.79 MB)
5 HA Facilities and Gear (110.93 MB)
6 Network Device Backups (100.82 MB)
1 Intro to Network Topologies and Types (3.98 MB)
2 Underlay and Overlay (69.2 MB)
3 Topologies (239.23 MB)
4 Network Types (292.32 MB)
5 Virtualized Networks (55.55 MB)
6 Networks for Storage (42.07 MB)
1 Intro to Security Fundamentals (12.5 MB)
2 Security Vocabulary (51.82 MB)
3 Zero Trust (87.84 MB)
4 Control Types (40.63 MB)
5 Segmentation (73.56 MB)
6 Authentication Methods (106.27 MB)
7 Risk Management (134.26 MB)
1 Intro to Common Attack Types (16.8 MB)
2 Attack Type Overview (293.97 MB)
3 Botnets (112.05 MB)
4 DoS and DDoS (111.61 MB)
5 Malware (70.55 MB)
6 Wireless Attacks (63.71 MB)
7 DHCP Attacks (69.31 MB)
8 L2 Switching Attacks (84.23 MB)
1 Intro to Network Hardening (15.62 MB)
2 Hardening Overview (84.89 MB)
3 Hardening Layer 2 Switches (82.96 MB)
4 Security Rules (90.07 MB)
5 Port Security (125.22 MB)
6 DHCP Snooping (76.99 MB)
7 Dynamic ARP Inspection (65.02 MB)
8 Wireless and IoT (93.99 MB)
1 Intro to Remote Access (22.28 MB)
2 Remote Access Overview (129.61 MB)
3 Remote Access VPNs (114.01 MB)
4 Site to Site VPN (77.09 MB)
5 Site to Site Interesting Traffic (115.25 MB)
6 Remote Desktop (77.04 MB)
7 CLI Access via SSH (105.83 MB)
1 Intro to Physical Security (29.99 MB)
2 Controls Overview (83.38 MB)
3 Detective Physical Controls (34.72 MB)
4 Preventive Controls (74.97 MB)
5 Asset Disposal (38.39 MB)
6 Organizational Documents and Policies (69.53 MB)
1 Intro to Troubleshooting Methodologies (18.78 MB)
2 Troubleshooting Overview (48.25 MB)
3 Identify the Problem (47.37 MB)
4 Establish a Theory (28.19 MB)
5 Test and Determine Cause (69.33 MB)
6 Solve the problem (31.44 MB)
7 Troubleshooting Review (182.76 MB)
1 Intro to Network Media (14.61 MB)
2 Network Media Overview (262.41 MB)
3 Choosing Copper Cables (66.95 MB)
4 Tools for Copper Cables (55.99 MB)
5 Copper Cable Concerns (70.9 MB)
6 Fiber Optic Cabling (62.3 MB)
7 Wireless Media (59.75 MB)
8 Network Cards and Interfaces (107.61 MB)
1 Intro to Software Tools and Commands (14.45 MB)
2 Tools and Commands Overview (91.31 MB)
3 Software Tools (250.99 MB)
4 Virtual Machines (53.03 MB)
5 Desktop CLI Tools (185.45 MB)
6 Network Device CLI Tools (57.89 MB)
1 Intro to Implementing Wi-Fi (20.68 MB)
2 Wi-Fi Case Study (83.91 MB)
3 AP Firmware and OS (32.27 MB)
4 AP to Switch Port (52.1 MB)
5 Trunking to Controller (46.51 MB)
6 IP Addressing Options (36.7 MB)
7 IP Subnetting Plan (62.07 MB)
8 Location, Signal, and Channel (35.19 MB)
9 Creating Wireless Networks (68.78 MB)
1 Intro to Network Troubleshooting (10.75 MB)
2 Overview of Network Troubleshooting (220.85 MB)
3 Tshoot Scenario 1 (83.88 MB)
4 Tshoot Scenario 2 (95.15 MB)
5 Tshoot Scenario 3 (88.14 MB)
6 Tshoot Scenario 4 (89.79 MB)
1 Intro to Cables and Connectors (12.79 MB)
2 Copper Cables (60.7 MB)
3 Fiber Cables (54.62 MB)
4 Connector Types (135.47 MB)
5 Transceivers and Media Converters (87.69 MB)
6 Cable Management (74.53 MB)
7 Ethernet Standards (50 MB)
1 Introduction to IPv4 Fundamentals (10.04 MB)
2 IPv4 Overview (155.08 MB)
3 Dotted Decimal IPv4 (164.04 MB)
4 Assigning IP Addresses (99.87 MB)
5 Unicast, Multicast, and More (172.83 MB)
6 Private IPv4 Addresses (55.56 MB)
1 Introduction to IPv4 Address Translation (16.62 MB)
2 Address Translation Overview (124.91 MB)
3 Source NAT (52.76 MB)
4 Source NAT Demonstration (143.76 MB)
5 Source PAT (67.12 MB)
6 Destination NAT (67.49 MB)
7 Destination PAT (98.47 MB)
1 Intro to IPv4 Subnetting (10.58 MB)
2 IPv4 Subnetting Overview (35.89 MB)
3 IPv4 Address Anatomy (54.42 MB)
4 Conversion Between Decimal and Binary (83.52 MB)
5 Longer Masks and New Subnets (46.37 MB)
6 The FingerBit Quantity Game (72.29 MB)
7 New Subnet Addresses (78.66 MB)
8 Calculating Hosts per Subnet (81.8 MB)
1 Introduction to IPv6 Fundamentals (8.24 MB)
2 IPv6 Overview (35.6 MB)
3 IPv6 Address Types (58.73 MB)
4 Shorthand Notation (39.64 MB)
5 Neighbor Discovery Protocol (140.96 MB)
6 Transitioning to IPv6 (94.03 MB)
1 Intro to Application Layer Services (3.34 MB)
10 Multi-media and VoIP Services (54.62 MB)
2 Application Layer Overview (102.86 MB)
3 Core Web Services (46.08 MB)
4 Email Related Services (56.3 MB)
5 Remote Access Services (69.05 MB)
6 DNS, DHCP, and NTP (56.41 MB)
7 File Services (47.29 MB)
8 Infrastructure Related Services (42.06 MB)
9 Database Services (17.94 MB)
1 Introduction to DHCP (8.83 MB)
2 DHCP Using Windows Server (91.6 MB)
3 DHCP Server on a Windows server (63.14 MB)
4 DHCP Server on a Cisco Router (65.7 MB)
5 DHCP Server on a Palo Alto Firewall (61.06 MB)
6 DHCP Relay (84.4 MB)