CCNA
(ซีซีเอ็นเอ)
Definition
CCNA (ซีซีเอ็นเอ) Tool
CCNA (Cisco Certified Network Associate) is a certification that validates the ability to install, configure, operate, and troubleshoot medium-sized routed and switched networks.
Expertise Level
Level 1
Basic
1. Understands fundamental networking concepts including OSI and TCP/IP models.
2. Can describe basic router and switch functions.
3. Familiar with IP addressing and subnetting.
Level 2
Intermediate
1. Can configure and troubleshoot routers and switches in LAN and WAN environments.
2. Able to implement VLANs, inter-VLAN routing, and access control lists (ACLs).
3. Understands routing protocols such as OSPF and EIGRP.
Level 3
Advanced
1. Can design and implement complex network infrastructures using advanced routing and switching features.
2. Capable of troubleshooting multi-protocol networks and WAN connections at a deep level.
3. Understands security implications and can apply best practices for network defense.
