CCNA all Main Topics

CCNA all Main Topics

The Cisco Certified Network Associate (CCNA) certification covers a wide range of networking topics. As of my last knowledge update in January 2022, please note that the exam topics may be updated by Cisco, so it's always a good idea to check the official Cisco website for the most current information. Here are the major topics that are typically covered in the CCNA exam:

Network Fundamentals:

OSI model

TCP/IP model

Subnetting and VLSM (Variable Length Subnet Masking)

IPv4 and IPv6 addressing

ARP (Address Resolution Protocol) and DHCP (Dynamic Host Configuration Protocol)

Network Access:

Ethernet and Ethernet switching

VLANs (Virtual LANs)

STP (Spanning Tree Protocol)

EtherChannel and port aggregation

IP Connectivity:

Routing concepts

OSPF (Open Shortest Path First) and EIGRP (Enhanced Interior Gateway Routing Protocol)

Static routing

Inter-VLAN routing

IP Services:

DHCP and DNS (Domain Name System)

NAT (Network Address Translation)

NTP (Network Time Protocol)

Security Fundamentals:

Common network security threats

ACLs (Access Control Lists)

Security protocols (SSH, HTTPS)

Automation and Programmability:

Basics of automation and programmability

RESTful APIs (Application Programming Interfaces)

Cisco DNA Center, SDN (Software-Defined Networking)

Infrastructure Services:

HSRP (Hot Standby Router Protocol) and VRRP (Virtual Router Redundancy Protocol)

SNMP (Simple Network Management Protocol)

Syslog and SNMP traps

Infrastructure Maintenance:

Network device monitoring

Cisco IOS upgrades and licensing

Troubleshooting methodology

Wireless Networking:

Basic concepts of wireless networks

WLAN (Wireless Local Area Network) components

Security protocols in wireless networking (WPA, WPA2, WPA3)

WLAN configuration and troubleshooting

Network Management:

SNMP (Simple Network Management Protocol)

Syslog

NetFlow and IP SLA (Service Level Agreement) for monitoring and troubleshooting

Cisco DNA Center for network management

Quality of Service (QoS):

QoS concepts and models

Classification and marking

Congestion management and avoidance

Shaping and policing

Network Virtualization:

Virtual LANs (VLANs)

Virtual routing and forwarding (VRF)

Virtualization technologies in networking

Cloud Computing:

Basics of cloud services

Cloud deployment models (public, private, hybrid)

Cloud security considerations

Security Concepts:

Threats, vulnerabilities, and common attacks

Security policies and procedures

Security best practices

Troubleshooting:

Troubleshooting methodologies

Troubleshooting common network issues

Use of diagnostic tools