Below is the link list to essential Cisco related cheat sheets (collection of notes or quick reference guides whatever). By the way, we don’t recommend to cheat anything and/or do a cheating of any sort by means of using these materials 
1. Cisco IOS Versions what’s this?)
2. Physical Terminations/Connectors (what’s this?)
3. VLANs (what’s this?)
4. Quality of Service (what’s this?)
5. MPLS (what’s this?)
6. IP Access Lists what’s this?)
7. Spanning Tree (what’s this?)
8. OSPF (what’s this?)
9. EIGRP (what’s this?)
10. BGP (what’s this?)
11. General Cisco IOS cheat sheet (router/switch commands etc.)
12. Cisco Commands for Beginners
13. Descriptive list of Cisco Commands (fresh)
14. Cisco IOS Firewall Cheat Sheet (Official Design Guide)
15. Cisco – Ethernet Encapsulation (in pdf)
16. Mini CCNA Cheat Sheet
17. CCNA Cheat Sheet (commands debugging)
18. Connector Pinouts Cheat Sheets
Great thanks to Jeremy Stretch (author of packetlife.net) for the first 10 cheat sheets from above list (to get them all just download this package).
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Links to other cheat sheets are more than welcome…
I love you, did you know?!
That’s gonna be really useful!
THANKS!!!
Just Awsome, d gr8
We have a useful tool for searching the current list price of most Cisco products, as well as links to other helpful Cisco tools. Nice list you put together here.
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this is a GODSEND!!!