In preparation of our CCNA exam, we want to make sure we cover the various concepts that we could see on our Cisco CCNA exam. So to assist you, below we will discuss Cisco Switch Features.

Summary of Switch Features
  1912/1924 2912/2924 2950 3550
Port Speed 10/100MB 100MB 100MB 100MB
VLans X X X X
Trunking X X X X
Port Aggregation X X X X
Mirroring X X X X
ISL X X    
802.1Q   X X X
QoS     X X
Layer 3 Switching       X
IOS Version 9.007 12.x 12.x 12.x

I hope you found this article to be of use and it helps you prepare for your Cisco CCNA certification. Achieving your CCNA certification is much more than just memorizing Cisco exam material. It is having the real world knowledge to configure your Cisco equipment and be able to methodically troubleshoot Cisco issues. So I encourage you to continue in your studies for your CCNA exam certification.