To round out your skills in network administration, in this course, you'll explore network-security fundamentals like passwords, Layer 2 security, wireless security, and remote-access security. You'll also be introduced to automation and programmability as it pertains to making network administration more efficient and effective. Finally, you'll engage in troubleshooting for each of the prior areas of concern, ensuring that you can adequately address any networking problems that might arise.

CCNA: Network Security, Automation, and Troubleshooting

CCNA: Network Security, Automation, and Troubleshooting
This course is part of Cisco Implementation and Administration (CCNA 200-301) Specialization

Instructor: Bill Rosenthal
Access provided by Zain Group
What you'll learn
Implement robust network defense mechanisms using access control lists, password policies, port security, and DHCP snooping.
Explore software-defined networking, controller-based architectures, RESTful APIs, and configuration tools like Ansible.
Apply structured troubleshooting methodologies to diagnose and resolve interface, routing, switching, and core network service issues.
Data files for this course are provided in the first course of this specialization, "CCNA: Networking Basics, Switching, Addressing, and Routing".
Skills you'll gain
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January 2026
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