Ccna 200-301 Vs 200-125

[Bazara Benavides]

Ciscofirst introduced the CCNA certification back in 1998. Over the years, Cisco has released a new version of that certification, with new exams, seven more times, most recently in 2016 with the 200-125 exam.

Cisco's 2019 certification announcements completely revamp the entire CCNA lineup. First, Cisco plans to stop offering almost all the existing CCNA certifications. The plan includes leaving one consolidated CCNA certification, so with all the others gone, Cisco will call this new certification by the old simple name: CCNA.

As for the timing, Cisco announced the changes in June 2019 but also announced that nothing changes until February 24, 2020. During the transition period, you can still pursue the then-current certifications, with the traditional certifications and exams being retired on transition day, and the new exams being available on that day.

Cisco's announcement messaging about the new CCNA describes the plan as a consolidation. The consolidation does not take every exam topic from all existing CCNA certifications into one exam. Instead, what Cisco describes is this:

As with all Cisco's exam blueprints, the official Cisco 200-301 blueprint breaks the exam topics into Domains, each with an assigned point percentage. When you take the exam, the behind-the-scenes process that chooses the questions you see should choose questions that give you these percentage of available points from your exam:

Cisco tells us that the new, one-and-only CCNA includes the content that hiring managers want their entry-level network engineers to have so that they can then be directed to specialize, possibly into one of the technologies of the five remaining CCNP tracks: Enterprise, Service Provider, Data Center, Security, and Collaboration.

10%: Wireless LANs (mostly new)

The old CCNA 200-125 exam had very little content about wireless LANs, but the new CCNA 200-301 blueprint has much more. The CCNA 200-301 blueprint spreads the wireless LAN topics around domains 1, 2, and 5, so you cannot just look at the blueprint and get a Cisco-approved percentage for the wireless topics. However, based on book chapters and page counts in the new CCNA 200-301 certification guides, I call the total wireless content roughly 10% of the new exam.

10-20%: Security (mostly old)

Cisco does have one domain that appears to be about security, but security can be a problematic topic area to measure for an exam. For instance, are IP Access Control Lists a security feature or a routing feature? So, I thought about all the topics that might or might be considered to be security, and I did some estimates to come out to 10-20% of the new CCNA 200-301 exam, all depending on how you might categories each exam topic.

However, for all the CCNA 200-301 topics that that you could consider to be a security topic, most exist in the old CCNA R&S 200-125 exam. For example, the new CCNA 200-301 continues to cover: IP Access Control Lists (ACLs), password security, and switch Port Security. New topics for CCNA 200-301 include security policies and dynamic ARP Inspection.

As for the topics, the new CCNA 200-301 exam includes the foundational topics from the old CCNA R&S 200-125 exam about controllers, APIs, and SDN architecture. CCNA 200-301 then adds several topics, including fabrics, REST APIs and CRUD verbs, as well as data models like JSON.

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