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What is CCNA?
New CCNA exam - 200-301
Free Cisco CCNA Study Guide
Recommended CCNA Study Resources

What is a Network?
Local Area Network (LAN)
OSI & TCP/IP Models
TCP/IP Suite of Protocols
Encapsulation

Cisco IOS Overview
Ports on an IOS Device
Auxiliary Port on a Cisco Router
Cisco Console Rollover Cable
Get Help in IOS
IOS Command Modes
Run Privileged Commands Within Global Config Mode
Pipe Character in IOS
Running & Startup Configuration

Transport Layer Explanation – Layer 4 of the OSI Model
Ports Explained
TCP Explained
TCP Three-Way Handshake
UDP explained

IP Header
Unicast, Multicast, and Broadcast Addresses
Types of IP Addresses

What is Ipv4 Address and What is its Role in the Network?
Converting the IP Address - Decimal to Binary
Subnet Mask
Classes of IP Addresses

Subnetting Explained
CIDR (Classless Inter-Domain Routing)
Create Subnets
Understanding Variable Length Subnet Masks (VLSM)
Private IP Addresses Explained

Ethernet Explained
Ethernet Frame
MAC & IP Addresses

Types of Ethernet Cabling
IEEE Ethernet Standards
Types of Ethernet Cables – Straight-Through and Crossover
Cisco PoE Explained - What is Power over Ethernet?

Network Devices
Network Hubs Explained
Network Switch Explained
CSMA/CD
Collision & Broadcast Domain
How Switches Work
Layer 2 Switching
Network Router Explained
What Is Layer 3 Switch and How it Works in Our Network?

What is Domain Name System (DNS) and How Does it Work?
Map Hostnames to IP Addresses
Configure Cisco Device as DNS client
How to Configure a Cisco Router as a DNS Server?
no ip domain-lookup Command
ARP (Address Resolution Protocol) Explained
The ARP Table on a Cisco Router

IOS Basic Commands
Configure an IP Address on a Switch
Configure Descriptions
Interface Range Command
Power on a Cisco Device
Half Duplex and Full Duplex
Configure Speed and Duplex
Link Layer Discovery Protocol (LLDP)
Cisco Discovery Protocol (CDP) overview
show Command
show interfaces status Command
Interface Status Codes
show version Command

Types of Memory on a Cisco Device
IOS Boot Sequence
How to Reset a Cisco Router or Switch to Factory Default
IOS files
Backing up IOS Configuration
FTP & TFTP
Copy Files with FTP
How to Upgrade Cisco IOS
Cisco more Command
Erasing Configuration Files

Network Troubleshooting Methodology and Techniques
ICMP (Internet Control Message Protocol)
Ping Explained
Extended Ping Command
Traceroute Explained
traceroute Command
show processes Command

What is IP Routing?
Local Routes and How they Appear in the Routing Table
Connected, Static, & Dynamic Routes
Floating Static Route - Explanation and Configuration
Default Static Route
Create a Static Host Route
What is a Static Summary Route? Explained and Configured

Routing Protocols
Comparing Internal Routing Protocols (IGPs)
Administrative Distance & Metric
Equal Cost Multi-Path (ECMP) Explanation & Configuration
Understanding Loopback Interfaces and Loopback Addresses
passive-interface Command

RIP Overview
Advertise Default Routes Using RIP
Configuring RIPv2
EIGRP Overview
EIGRP Diffusing Update Algorithm (DUAL)
EIGRP Reliable Transport Protocol (RTP)
Wildcard Masks
Wildcard Mask in EIGRP
EIGRP Automatic & Manual Summarization
EIGRP Summary

OSPF Overview
Differences Between OSPF and EIGRP
Cisco Bandwidth Command vs Clock Rate and Speed Commands
OSPF Cost - OSPF Routing Protocol Metric Explained
OSPF Configuration
Designated & Backup Designated Router
OSPF Passive Interface - Configuration and Why it is Used
OSPF Default-Information Originate and the Default Route
OSPF Load Balancing - Explanation and Configuration
OSPF Summarization
Troubleshooting OSPF and OSPF Configuration Verification
OSPF Network Types - Point-to-Point and Broadcast
OSPF Summary

Cisco Three-Layer Hierarchical Model
Collapsed Core and Three-Tier Network Architectures
What is Spine and Leaf Network Architecture?
What is a VLAN?
Frame Tagging
Configuring VLANs
Access and Trunk Ports
Inter-Switch Link (ISL)
IEEE 802.1Q
Configuring Access & Trunk Ports
Configuring Voice VLANs
Configuring Allowed VLANs
Cisco Dynamic Trunking Protocol (DTP) Explained
What is VTP?
VTP Modes
VTP Configuration

Configure interVLAN Routing
Configure Cisco ROAS Router On A Stick
Cisco Layer 3 Switch InterVLAN Routing Configuration

DHCP & DNS
Configure Cisco Router as DHCP Server
DHCP Relay Agent
Configure Cisco Router as a DHCP Client
APIPA (Automatic Private IP Addressing)

What is Network Redundancy and What are its Benefits?
Cisco First Hop Redundancy Protocol (FHRP) Explained
Cisco Hot Standby Router Protocol (HSRP) Explained
Cisco Hot Standby Router Protocol (HSRP) Configuration
Cisco Hot Standby Router Protocol (HSRP) Preempt Command

What is STP?
Network Bridge Explained
How STP Works
Electing the Root Switch in STP
Spanning Tree Priority: Root Primary and Root Secondary
Selecting STP Root Port
Selecting STP Designated Port (DP)
Spanning Tree Modes: MSTP, PVST+, and RPVST+
What is RSTP?
How RSTP Works
Configuring RSTP
Cisco HSRP and Spanning Tree Alignment Configuration
Spanning Tree Portfast, BPDU Guard, Root Guard Configuration

What is EtherChannel and Why Do We Need It?
EtherChannel Port Aggregation Protocol (PAgP)
EtherChannel Link Aggregation Control Protocol (LACP)
Multichassis EtherChannel (MEC) and MEC Options
Cisco Layer 3 EtherChannel - Explanation and Configuration

What is DCHP Snooping? - Explanation and Configuration
Dynamic ARP Inspection (DAI) Explanation & Configuration
What is 802.1X Authentication and How it Works?
Port Security
Cisco Port Security Violation Modes Configuration

What are ACLs?
Types of ACLs
Configuring Standard ACLs
Configuring Extended ACLs
Configuring Named ACLs

What is NAT?
Static NAT
Dynamic NAT
Port Address Translation (PAT) Configuration

What is IPv6?
IPv6 Address Format
IPv6 Interface Identifier
Differences Between IPv4 and IPv6
Types of IPv6 Addresses
IPv6 Unicast Addresses
IPv6 Global Unicast Addresses
IPv6 Unique Local Addresses
IPv6 Link-Local Addresses
IPv6 Multicast Addresses
IPv6 Address Prefixes
How to Configure IPv6
IPv6 SLAAC - Stateless Address Autoconfiguration
IPv6 Routing - Static Routes Explained and Configured
IPv6 Default Static Route and Summary Route
IPv6 Routing Protocols
Neighbor Discovery Protocol - NDP Overview

Wide Area Network
Cisco VPN - What is VPN (Virtual Private Network)?
WAN Connection Types - Explanation and Examples
Leased Line Definition, Explanation, and Example
Multiprotocol Label Switching (MPLS) Explained & Configured
What is PPPoE? Point to Point Protocol over Ethernet
The Different Wide Area Network (WAN) Topologies

Cybersecurity Threats and Common Attacks Explained
The Different Types of Firewalls Explained
Firewalls, IDS, and IPS Explanation and Comparison
Cisco Cryptography: Symmetric vs Asymmetric Encryption
HTTP and HTTPS explained
Cyber Threats Attack Mitigation and Prevention

Telnet & SSH
Setting Up Telnet
Setting Up SSH
Cisco Console Port Security
exec-timeout Command
Encrypt Local Usernames and Passwords
Cisco Privilege Levels - Explanation and Configuration
What is AAA? Authentication, Authorization, & Accounting
Configuring AAA on Cisco Devices – RADIUS and TACACS+
Configuring a Cisco Banner: MOTD, Login, & Exec Banners
Configure Timezone and Daylight Saving Time (DST)
NTP (Network Time Protocol)
Configure NTP on a Cisco Router

Syslog Explained
Syslog Message Format
Cisco IOS Syslog Logging Locations
logging synchronous Command
debug Command
terminal monitor Command
SNMP (Simple Network Management Protocol)
SNMPv3 Overview and Configuration

Quality of Service (QoS) and its Effect on the Network
Quality of Service (QoS) Classification and Marking
Quality of Service (QoS) Queues and Queuing Explained
Quality of Service (QoS) Traffic Shaping and Policing
Quality of Service (QoS) Network Congestion Management

Cloud Computing - Definition, Characteristics, & Importance
What is Server Virtualization, its Importance, and Benefits?
Network Virtualization and Virtualizing Network Devices
Cloud Computing Service Models - IaaS, PaaS, SaaS
Cloud Deployment Models - Explanation and Comparison
The Different WAN to Cloud Connectivity Options
The Advantages and Disadvantages of Cloud Computing

What is Wireless Network and What are its Types?
Wireless Access Point Operation Explained
Autonomous AP Access Point Configuration
Lightweight Access Point (AP) Configuration
Cisco Wireless Architectures Overview and Examples
Cisco Wireless LAN Controller Deployment Models
2.4 GHz vs 5 GHz WiFi Frequency Spectrum
Understanding WiFi Security - WEP, WPA, WPA2, and WPA3

What is Network Automation and Why We Need It?
Network Programmability - Git, GitHub, CI/CD, and Python
Data Serialization Formats - JSON, YAML, and XML
SOAP vs REST: Comparing the Web API Services
Model-Driven Programmability: NETCONF and RESTCONF
Configuration Management Tools - Ansible, Chef, & Puppet
Cisco SDN - Software Defined Networking Explained
Cisco DNA - Digital Network Architecture Overview
Cisco IBN - Intent-Based Networking Explained
Cisco SD-Access (Software-Defined Access) Overview
Cisco SD-WAN (Software-Defined WAN) Overview & Architecture

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