Different Cisco OS

Cisco has a whole bunch of different operating systems for a variety of products:

  • IOS runs on most Cisco routers and switches.
  • IOS XE is a more modern, modular version of IOS.
  • IOS XR runs on high-end routers.
  • NX-OS runs on the Nexus line of datacenter switches.
  • ASA OS runs on Cisco ASA devices.
  • AireOS runs on Access Points.

IPv4 Quick Subnetting

IPv4 Quick Subnetting

Quick Interview Review Cisco Commands

Quick Interview Review Cisco Commands

Basic Networking Commands (Revision Notes)

Basic Networking Commands (Revision Notes)

ITIL Quick reference

http://www.maatconsulting.com/pdfs/ITIL_2011_Edition_Quick_Reference_Guide.pdf

http://campus.itpreneurs.com/itpreneurs/LPEngine/ITIL/Additional%20Links/English/2011/Quick%20Reference%20Card.pdf

http://www.mountainview-itsm.com/itil-training/downloads/Mountainview_-_ITIL_V3_Process_Quick_Reference_v3.4_-_PDF_Version.pdf

https://www.tutorialspoint.com/itil/pdf/itil_quick_guide.pdf

 

Cisco IOS and NX-OS comparison

http://docwiki.cisco.com/wiki/Cisco_NX-OS/IOS_Configuration_Fundamentals_Comparison

Quick Review Notes CCNA DC Cisco 640-911 DCICN

Quick Review Notes CCNA DC Cisco 640-911 DCICN

Building Good IT Training Habits with Keith Barker

Network Engineering

LEVEL 1-2 (Associate-Intermediate):
A+|MTA Networks|MTA Security|MTA Servers
Network+|Security+|Cloud+|Storage+|Linux Essentials
CCNA RnS|JNCIA-JUNOS|CCNA Security|CCNA Collaboration|CCNA Wireless|CCNA SP|CCNA DC|CCDA|ITIL|MCSA(Server 2012)|VCA-DCV|VIRL|GNS3

LEVEL 2-3 (Intermediate-Expert):
LPIC1|LPIC2|F5|Checkpoint|Palo Alto|Wireshark|VCP-DCV|CEH(Penetration Testing)|Solarwinds|Nagios|PRTG|Cacti|Kiwi Syslog|Netflow
CCPD|CCNP RnS|JNCIS-ENT|JNCIP-ENT|JNCIS-SP|JNCIP-SP|JNCIS-Security|JNCIP-Security|CCNP SP|CCNP Security|CCNP DC|CCNP Collaboration|CCNP Wireless|HP|Meraki|Aruba|Aerohive|Meru|Ruckus|CISSP

LEVEL 3-4 (Expert-Advanced):
CCDE|CCIE RnS|CCIE SP|CCIE Security|CCIE DC|CCIE Collaboration|CCIE Wireless|JNCIE-ENT|JNCIE-SP|JNCIE-Security

SPAN/RSPAN/ERSPAN Revision Notes/Commands CCNA/CCNP/CCIE (RnS)

SPAN/RSPAN/ERSPAN Revision Notes/Commands CCNA/CCNP/CCIE (RnS)