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

Instructor: Bill Rosenthal
Included with
What you'll learn
You will explore network security and the use of automation and programmability in network management. You'll also troubleshoot networking.
Skills you'll gain
- Automation
- Remote Access Systems
- Infrastructure Security
- Network Architecture
- Network Switches
- Network Protocols
- Virtual Local Area Network (VLAN)
- Hardware Troubleshooting
- Software-Defined Networking
- General Networking
- TCP/IP
- Wireless Networks
- Network Administration
- Network Security
- Virtual Private Networks (VPN)
- Network Troubleshooting
- Computer Networking
- IT Automation
Details to know

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January 2026
1 assignment
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There are 4 modules in this course
A fundamental responsibility of almost every IT technician or administrator is to protect network users, devices, and data from security attacks. This lesson provides you with an introduction to network security on Cisco® networks.
What's included
1 reading7 plugins
Today's networks are becoming increasingly more complex to manage and monitor. Technological advancements in automation, controller-based networking, and programming all help to address these complexities so that your network can provide the services that users need.
What's included
5 plugins
No matter how carefully you plan and manage a network, there will be issues that affect network (and therefore, organizational) performance and operations. Identifying tools and guidelines for troubleshooting network issues can provide you with a body of knowledge that will prove invaluable to you in the field.
What's included
11 plugins
You'll wrap things up and then validate what you've learned in this course by taking an assessment.
What's included
1 reading1 assignment1 plugin
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To access the course materials, assignments and to earn a Certificate, you will need to purchase the Certificate experience when you enroll in a course. You can try a Free Trial instead, or apply for Financial Aid. The course may offer 'Full Course, No Certificate' instead. This option lets you see all course materials, submit required assessments, and get a final grade. This also means that you will not be able to purchase a Certificate experience.
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