Free Cisco Certified Network Associate (CCNA) Online Tutorials and Study Guides
Lesson 01 - Introduction to Cisco Certified Network Associate (CCNA) Certification
Lesson 02 - Different Types of Router Memory
Lesson 04 - How to connect and access a router or switch using console connection
Lesson 05 - How to connect to router or switch console if serial port is not available in computer
Lesson 07 - How to use PuTTY Terminal Emulator to configure or monitor a Cisco Router or Switch
Lesson 08 - Cisco's Three-tier Hierarchical Network Model
Lesson 09 - Benefits of Segmenting a network using a Router
Lesson 10 - Unicast, Multicast, Broadcast, What is Unicast, What is Multicast and What is Broadcast
Lesson 11 - What are Collision Domain and Broadcast Domain
Lesson 12 - Cisco Router Boot Sequence
Lesson 13 - What is Trivial File Transfer Protocol (TFTP)
Lesson 14 - How to install Solarwinds Trivial File Transfer Protocol (TFTP) Server
Lesson 16 - Cisco Router Configuration Files
Lesson 17 - Naming Convention of Cisco IOS Image Files
Lesson 19 - How to Upgrade or Install IOS from Trivial File Transfer Protocol (TFTP) Server
Lesson 20 - Cisco IOS Command Line modes
Lesson 21 - How to configure passwords to secure Cisco Router
Lesson 22 - Basic Cisco Router Configuration Commands
Lesson 23 - Cisco Router Show Commands
Lesson 24 - Important Key Combinations of Cisco IOS Command Line Interface (CLI)
Lesson 25 - Router interface naming convention
Lesson 26 - Cisco Router interface configuration commands
Lesson 27 - Different types of interfaces in a Cisco Router
Lesson 29 - What is loopback interface in a Cisco Router
Lesson 30 - What is null interface in a Cisco Router
Lesson 31 - How to configure Router Serial Interfaces
Lesson 32 - What is Cisco Discovery Protocol (CDP)
Lesson 33 - Important Cisco Discovery Protocol (CDP) IOS commands
Lesson 34 - What are Routing and Switching - Difference between Routing and Switching
Lesson 35 - Types of Routes - Static Routes and Dynamic Routes
Lesson 36 - What is the difference between Routing Protocols and Routed Protocols
Lesson 37 - Difference Between Routable Protocol and Non-Routable Protocol
Lesson 38 - What is Autonomous System and Autonomous System Number
Lesson 39 - What is the difference between IGP and EGP
Lesson 40 - What is Administrative Distance
Lesson 41 - Introduction to Static Routes and Default Routes
Lesson 42 - How to configure Static Routes and Default Routes
Lesson 43 - What is Dynamic Routing and different types of Dynamic Routing
Lesson 44 - What is Routing Metric Value
Lesson 45 - What is Convergence of Routing Tables
Lesson 46 - Introduction to Distance Vector Routing Protocols
Lesson 47 - Introduction to Routing Information Protocol (RIP)
Lesson 48 - Difference between RIPv1 and RIPv2
Lesson 49 - How to configure Routing Information Protocol (RIP)
Lesson 50 - RIP Metric (Hop Count) and Hop Count Calculation
Lesson 51 - Auto Summarization in RIP
Lesson 52 - RIP Authentication, RIPv2 Authentication, RIP Authentication Keychain Configuration
Lesson 53 - Introduction to Interior Gateway Routing Protocol (IGRP)
Lesson 54 - How to configure Interior Gateway Routing Protocol (IGRP)
Lesson 55 - What is Routing Loop and how to avoid Routing Loop
Lesson 56 - Introduction to Link State Routing Protocols
Lesson 57 - Introduction to Open Shortest Path First (OSPF) Protocol
Lesson 58 - How to configure Open Shortest Path First (OSPF)
Lesson 59 - What is OSPF Metric value Cost and OSPF default Cost Reference Bandwidth
Lesson 61 - What is OSPF Area, OSPF Hierarchical Network Design, and Advantages of OSPF Areas
Lesson 62 - Introduction to Hybrid Routing Protocols
Lesson 63 - Introduction to Enhanced Interior Gateway Routing Protocol (EIGRP)
Lesson 64 - How to configure Enhanced Interior Gateway Routing Protocol (EIGRP)
Lesson 65 - EIGRP Metric Calculation Formula with example
Lesson 66 - Auto summarization in EIGRP
Lesson 67 - Introduction to Access Control Lists (ACL)
Lesson 68 - Standard Access Control Lists (ACLs)
Lesson 69 - Where should a Standard Access Control List (ACL) be placed
Lesson 70 - Access Control List (ACL) - Wildcard Masks
Lesson 71 - How to create and configure Standard Access Control Lists (ACLs)
Lesson 72 - Extended Access Control Lists (ACLs)
Lesson 73 - Where should an Extended Access Control List (ACL) be placed
Lesson 74 - Extended Access Control List (ACL) - Operators
Lesson 75 - Extended Access Control List (ACL) - TCP and UDP port numbers and names
Lesson 76 - Extended Access Control List (ACL)- established Keyword
Lesson 77 - How to create and configure Extended Access Control Lists (ACLs)
Lesson 78 - How to create and configure Access Control Lists (ACLs) for vty lines (telnet and ssh)
Lesson 79 - Named Access Control Lists (ACLs)
Lesson 80 - How to create and configure Standard Named Access Control Lists (ACLs)
Lesson 81 - How to create and configure Extended Named Access Control List (ACL)
Lesson 82 - How to edit a Named Access Control List (ACL) on router
Lesson 83 - What is NAT (Network Address Translation)
Lesson 84 - What are the Advantages and Disadvantages of NAT (Network Address Translation)
Lesson 85 - Different types of NAT - Static NAT, Dynamic NAT and PAT
Lesson 86 - NAT Address types - Inside Local, Inside Global, Outside Local, Outside Global
Lesson 87 - How to configure static NAT in a Cisco Router
Lesson 88 - How to configure dynamic NAT in a Cisco Router
Lesson 89 - How to configure PAT (Port Address Translation or NAT overload) in a Cisco Router
Lesson 90 - What is GRE (Generic Routing Encapsulation)
Lesson 91 - How to Configure Generic Routing Encapsulation (GRE) Tunnel in Cisco IOS Router
Lesson 92 - Introduction to Network Switches
Lesson 93 - Difference between Network Switches and Bridges
Lesson 94 - Methods of Switching
Lesson 95 - Difference between Half-duplex and Full-duplex Switching
Lesson 96 - Functions of a Network Switch
Lesson 97 - What is switch management VLAN and how to configure Management VLAN
Lesson 98 - Basic Cisco Switch Configuration Commands
Lesson 99 - What is Broadcast Storm
Lesson 100 - What is Layer 2 Switching loop
Lesson 101 - What is Spanning Tree Protocol (STP)
Lesson 102 - What is Bridge Protocol Data Unit (BPDU) frame
Lesson 103 - Bridge Protocol Data Unit (BPDU) Frame Format
Lesson 104 - What are Spanning Tree Bridge Priority and Bridge ID values
Lesson 105 - What is a Root Bridge (Root Switch)
Lesson 106 - What is a Root Port
Lesson 107 - Spanning Tree Path Cost Value and How is Spanning Tree Path Cost Value Calculated
Lesson 108 - Spanning Tree Port Priority and Port ID Values
Lesson 109 - How to change Spanning Tree Bridge Root Priority value and What is Extended System ID
Lesson 110 - How to configure Spanning Tree Protocol Root Primary and Root Secondary
Lesson 111 - How to change Spanning Tree Port Priority Value
Lesson 112 - How Spanning Tree Protocol (STP) select Root Port
Lesson 113 - What is a Designated Port
Lesson 114 - How Spanning Tree Protocol (STP) select Designated Port
Lesson 115- Difference between Root Port and Designated Port
Lesson 116 - Spanning Tree Port States
Lesson 117 - How BPDU is generated and How BPDU works
Lesson 118 - Important Spanning Tree Protocol (STP) Timers and their default values
Lesson 120 - Topology Changes in Spanning Tree Protocol (STP)
Lesson 121 - Spanning Tree Protocol (STP) Convergence
Lesson 122 - Where to place the Spanning Tree Protocol Root Switch (Root Bridge)
Lesson 123 - Spanning Tree Protocol (STP) UplinkFast, Backbone Fast and Portfast
Lesson 124 - What is Spanning Tree Protocol (STP) Uplink Fast
Lesson 125 - What is Spanning Tree Protocol (STP) Backbone Fast
Lesson 126 - What is Spanning Tree Protocol (STP) PortFast
Lesson 127 - How to configure and verify Spanning Tree Protocol (STP) PortFast
Lesson 128 - How to enable or disable Spanning Tree Protocol (STP)
Lesson 129 - What is Rapid Spanning Tree Protocol (RSTP)
Lesson 130 - Difference between Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol (RSTP)
Lesson 131 - Per-VLAN Spanning Tree (PVST) and Per-VLAN Spanning Tree Plus (PVST+)
Lesson 133 - EtherChannel PAgP and LACP modes
Lesson 134 - How to configure EtherChannel Port Aggregation Protocol (PAgP) in Cisco Switches
Lesson 136 - Manual EtherChannel Configuration in Cisco Switches Using Channel mode "on"
Lesson 137 - What is Virtual Local Area Network (VLAN)
Lesson 138 - Advantages of VLAN
Lesson 139 - VLAN Membership Types
Lesson 140 - How to create and name static VLAN
Lesson 141 - How to view VLAN information using "show vlan" command
Lesson 142 - Types of VLAN connection links - Trunk Links and Access Links
Lesson 143 - VLAN Frame Tagging
Lesson 144 - Inter-Switch Link (ISL) VLAN Tagging
Lesson 145 - IEEE 802.1Q VLAN Tagging
Lesson 146 - What is Native VLAN
Lesson 147 - How to configure VLAN trunk link and native VLAN
Lesson 148 - How to configure and assign a switch access port to a VLAN
Lesson 149 - What is VLAN Trunking Protocol (VTP)
Lesson 150 - What is VLAN Trunking Protocol (VTP) Domain
Lesson 151 - VLAN Trunking Protocol (VTP) Modes
Lesson 152 - VLAN Trunking Protocol (VTP) Advertisement Messages
Lesson 153 - How to configure VLAN Trunking Protocol (VTP)
Lesson 154 - How to view VLAN Trunking Protocol (VTP) information using "show vtp status" command
Lesson 155 - What is VLAN Trunking Protocol (VTP) Pruning
Lesson 156 - What is DTP (Dynamic Trunking Protocol)
Lesson 157 - Difference Between DTP "dynamic desirable" and "dynamic auto" Modes
Lesson 158 - How to configure DTP (Dynamic Trunking Protocol) Modes
Lesson 159 - Introduction to IPv6 and IPv6 Addresses
Lesson 160 - Introduction to IPv6 Routing and IPv6 Routing Protocols
Lesson 161 - How to configure IPv6 Static Routes in Cisco Routers
Lesson 162 - Introduction to RIPng (RIP Next Generation), RIP for IPv6
Lesson 163 - How to configure RIPng (RIP for IPv6) Routing Protocol in Cisco Routers
Lesson 164 - Differences between OSPFv2 and OSPFv3
Lesson 165 - How to configure OSPFv3 IPv6 Routing in Cisco Routers