We have received countless request regarding what book(s) should candidates use when learning and preparing for exams. When learning new technologies it is always good to have a well written book to explain the technologies. Free CCNA Workbook primarily provides workbook labs however there is core knowledge you must know which you may not find on this website. For this we refer you to the official Cisco CCNA Certification Study Guide published by Cisco Press. There are of course tons of books on the market that CCNA candidates can...

The Stub Lab is a fully functional Cisco Lab provided as a free service to the community by Free CCNA Workbook. All you need to do to gain access to a top notch Cisco Lab that has ISR's, Multi-layer switches, Cisco ASA's and more is sign up at the Stub Lab Schedule Portal and reserve lab time. When your lab time comes you can log into the lab devices remotely using Telnet and have access to real Cisco hardware to perform educational labs on for the...

The CCIE Certification is an extremely sought after certification not just from an engineering perspective but also a Company perspective. In order for any company to become a Silver or Gold Certified Partner with Cisco, they must have 2 CCIE's full time for Silver and 4 CCIE's full time for Gold. This requirement cannot be waived and this makes the CCIE valuable to companies because when companies have Silver or Gold partnership status they get certain benefits from Cisco such as discounts, access and etc... If you just...

When Cisco made changes to the Cisco ASA software in 8.3, it completely shook the ASA engineering community. Major changes overhauled the operating system in how the Cisco ASA handles Network Address Translation. Even today, these changes still surprise people when upgrading from 8.2 to 8.3 or later and many people have a hard time understanding these changes. However, these changes are actually a good thing as it gives you more granular control over the NAT function(s) that your Cisco ASA performs. I have compiled a list of differences...

One of the biggest misconceptions of all time in networking is the use of a traceroute to determine that your communication with a server has high latency. On windows, traceroute is the same command as tracert. Many people beleive that when they see high latency such as 250ms+ in a single hop of a trace-route that it means that that device in the transit path is responsible for the degraded network performance when in fact it could not be more further from the truth. First lets look at how...