CCNA exam tests you in the areas of simple LAN/WAN switching, Cisco IOS, and routing. Topics include TCP/IP model of internetworking, configuring, and troubleshooting some of the most widely used Cisco switches and routers. Also, CCNA is foundation exam for CCNP (Cisco Certified Networking Professional). The exam notes is a brief review of important points that help in quick review of key points.

Contents

A. OSI Model
B. TCP/IP 
    i. Telnet, FTP and TFTP
    ii. HDLC
C. IP Addressing and Subnetting
D. Cisco IOS
    i. CDP
    ii. Router commands
E. Routing Protocols
    i. EIGRP
    ii. OSPF
F. Routed protocol: Frame-Relay
G. Access-Lists
H. NAT
I. Switching
    i. STP
    ii. VLANs
    iii. VTP
J. Security
K. Miscellaneous
    i. Network Devices
    ii. WAN Devices
    iii. Wireless LAN
    iv. Others