The best online resources to take you from zero to Junior Network Engineer superhero.
Automation and programmability – introduction (November 6, 2023)
This post introduces the topic of network automation and programmability. Three main topic areas are discussed: the benefits of network automation, the three logical planes of network functions, and the main components of SDN architecture.
CCNA 200-301 study notes (February 15, 2023)
How to become a Cisco Certified Network Associate – a one stop shop for passing your CCNA 200-301 exam (Implementing and Administering Cisco Solutions).
CCNA configurations portal (August 15, 2023)
A portal to select training/learning resources covering all the configure type topics listed in the CCNA 200-301 exam blueprint.
CCNA curriculum mapped to the OSI model (September 22, 2023)
An annotated listing of the CCNA curriculum topics mapped to the OSI model – except for the last sections which group the topics by themes (e.g., Network security fundamentals, and Wireless networking).
CCNA math portal (May 8, 2023)
This CCNA math portal presents a rundown of the math you need to know at the CCNA level and provides some great resources for learning it.
CCNA security fundamentals (May 6, 2023)
This post discusses key security concepts and terms, common cyber attacks against enterprises, multi-factor authentication (MFA), Authentication, Authorization, and Accounting (AAA), and enterprise security program elements.
CCNA Security Fundamentals portal (June 7, 2023)
Welcome to the mother of all CCNA Security Fundamentals portals. This post is a “portal” to the topics (subsections) of the Security Fundamentals section, Section 5, of the CCNA exam topics list, as listed in the official Cisco CCNA exam blueprint.
CCNA topics in alphabetical order (October 22, 2023)
A table/listing of CCNA topics in alphabetical order and links to resources (lessons) covering the topics, to provide quick access to resources covering the topics (theory and configuration).
CCNA wireless networking portal (August 31, 2023)
This post outlines the wireless networking topics in the CCNA curriculum, organized by sections as per the CCNA exam blueprint. The point is to provide a quick and easy access to resources covering the topics via direct links to the resources.
Cloud computing framework (NIST SP 800-145) (November 16, 2023)
This post elaborates a cloud computing framework based on NIST SP 800-145 – The NIST Definition of Cloud Computing: Recommendations of the National Institute of Standards and Technology.
Foundations in information technology (September 17, 2023)
This resource covers important foundational topics in the areas of enterprise cybersecurity and enterprise computer networking – important foundations in information technology.
How data flow through the Internet (February 1, 2023)
Upon completing this open course, you will be able to explain what happens when someone types www.google.com into a web browser.
How to get CCNA certification (November 10, 2022)
How to become a Cisco Certified Network Associate – a one stop shop for passing your CCNA 200-301 exam (Implementing and Administering Cisco Solutions).
Introduction to IPv6 for the CCNA (April 26, 2023)
This post explores the characteristics of an IPv6 address, how to abbreviate it, and how to expand an abbreviated IPv6 address. We learn how to do some basic IPv6 router configurations – how to enable IPv6 routing on routers, and how to configure an IPv6 address on the router interface.
Key CCNA terms and concepts (December 2, 2022)
Key CCNA terms and concepts. A CCNA glossary for Cisco IT professionals.
Networking Fundamentals (Spring 2023)
This gitbook covers the basics of computer networking, for the CCNA but also in general. It is a work in progress. This work is noncommercial: by the community for the community.
Network security risk mitigation best practices (April 18, 2022)
A discussion of network layers within the OSI model and the TCP/IP model in the context of vulnerability and mitigation.
Virtualization fundamentals (November 20, 2023)
This post discusses the topic of server virtualization – as a sub-theme under the more broader theme of virtualization fundamentals. This post covers CCNA exam topic 1.12 Explain virtualization fundamentals (server virtualization) of the CCNA exam topics list (Section 1.0 Network Fundamentals).
Wireless fundamentals for the CCNA (May 22, 2023)
This lesson introduces the architecture and key components of a wireless network and how the network is organized in terms of structure and function to control access to the wireless medium and allow devices to exchange data. We learn about how a single access point (AP) can provide a basic service set (BSS) for a cell area.
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