Certifications•18 min read
Cisco CCNA 200-301 Certification Guide
Complete Cisco CCNA 200-301 certification guide. Master networking fundamentals, IP connectivity, and security.
By Andy Pham
Cisco CCNA 200-301 Certification Guide
The CCNA certification validates your ability to install, configure, and troubleshoot enterprise networks.
Exam Overview
| Aspect | Details |
|---|---|
| Exam Code | 200-301 |
| Duration | 120 minutes |
| Questions | 100-120 questions |
| Passing Score | 825/1000 |
| Cost | $330 USD |
Exam Domains
Network Fundamentals (20%)
- OSI and TCP/IP models
- Network topologies
- IPv4 and IPv6 addressing
Network Access (20%)
- VLANs and trunking
- Spanning Tree Protocol
- EtherChannel
IP Connectivity (25%)
- Routing concepts
- OSPF configuration
- First hop redundancy
IP Services (10%)
- NAT
- DHCP
- DNS
Security Fundamentals (15%)
- Security concepts
- Access control lists
- Layer 2 security
Automation and Programmability (10%)
- Network automation
- REST APIs
- Configuration management
Configuration Examples
! Configure VLAN
Switch(config)# vlan 10
Switch(config-vlan)# name Sales
Switch(config-vlan)# exit
! Configure trunk port
Switch(config)# interface gi0/1
Switch(config-if)# switchport mode trunk
Switch(config-if)# switchport trunk allowed vlan 10,20,30
! Configure OSPF
Router(config)# router ospf 1
Router(config-router)# network 192.168.1.0 0.0.0.255 area 0
Router(config-router)# router-id 1.1.1.1
Subnetting Reference
| CIDR | Subnet Mask | Hosts |
|---|---|---|
| /24 | 255.255.255.0 | 254 |
| /25 | 255.255.255.128 | 126 |
| /26 | 255.255.255.192 | 62 |
| /27 | 255.255.255.224 | 30 |
| /28 | 255.255.255.240 | 14 |
Practice with ExamCert
ExamCert provides 600+ practice questions for the CCNA 200-301 exam covering all networking domains.