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Last updated on 2024年9月4日

You're starting a career in Network Administration. What technical skills should you prioritize?

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Embarking on a career in network administration is exciting and challenging. As you dive into this field, you'll encounter a vast landscape of technologies and protocols that keep the world's data flowing. Prioritizing the right technical skills can set you on a path to success, ensuring you're well-equipped to manage and troubleshoot networks effectively. Understanding the core aspects of networking, from the physical layer to the application layer, is crucial. Moreover, staying abreast of emerging trends and continuously honing your skills will help you adapt to the ever-evolving demands of network administration.

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Diego Zarpelon

SSE Terraform Enterprise @ Hashicorp

1 Networking Basics

To build a solid foundation in network administration, start by mastering the basics of networking. Grasp the concepts of IP addressing, subnetting, and the OSI model, which provides a framework for understanding how different network technologies interact. Familiarize yourself with common protocols such as TCP/IP, DHCP, and DNS, as these are the building blocks of network communication. Knowing how to configure and manage routers and switches is essential, as they are the backbone of any network. A strong command of these fundamentals will enable you to troubleshoot issues and design efficient networks.

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Diego Zarpelon

SSE Terraform Enterprise @ Hashicorp
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This here is the most important part in my experience. A solid building is made by a solid foundation. If you are not very confident in the basics (TCP/IP, routing, DHCP, DNS and so on) there's no way you can be confident and assertive in your next steps. Make sure to spend a lot of time in those basics, study, make labs, talk to people (specially!). Once you get the basics mastered, then move to the next. You will be amazed how many times are the basics that solve that very complicated issue!

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2 Network Security

Network security should be a top priority in your skill set. Understanding how to secure a network involves more than just setting up firewalls. You need to know about encryption protocols, VPNs (Virtual Private Networks), and IDS/IPS (Intrusion Detection Systems/Intrusion Prevention Systems). Learn how to implement security policies and manage access control. Being proficient in identifying vulnerabilities and mitigating threats will make you an invaluable asset to any organization, as protecting data integrity is paramount in today's digital landscape.

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3 Wireless Networking

Wireless technology is ubiquitous, making wireless networking skills highly valuable. Get comfortable with setting up and securing wireless networks, understanding the various standards like 802.11ac and 802.11ax, and knowing how to optimize signal strength and coverage. Familiarity with site surveys and the ability to troubleshoot wireless connectivity issues will ensure that you can maintain seamless mobile connectivity in an increasingly wireless world.

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4 Advanced Networking

As you progress in your career, delving into advanced networking concepts is vital. Gain expertise in areas such as network virtualization, SDN (Software-Defined Networking), and cloud services. These technologies offer scalable and flexible network solutions that are becoming the norm in many organizations. Understanding how to implement and manage these advanced solutions will set you apart as a forward-thinking network administrator.

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5 Scripting and Automation

Incorporating scripting and automation into your skill set can significantly improve efficiency in network administration. Learn to write scripts in languages like Python or PowerShell to automate repetitive tasks, such as network configuration or monitoring. This not only saves time but also reduces the likelihood of human error. Embrace tools that facilitate automation, as they are becoming essential components in modern network management.

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Yoel Alvarez

CISSP - vCISO / Sr Security Consultant
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This, 100% this. Pick your scripting flavor, say Python, PowerShell, Linux Shell, Web-based apps. Then APIs, for vendors such as CISCO Meraki, APIs are great way to manage large environments and scripting the way to make it happen.

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6 Troubleshooting Skills

Lastly, honing your troubleshooting skills is critical for any network administrator. Develop a methodical approach to diagnosing and resolving network issues. Practice using diagnostic tools like ping , traceroute , and network analyzers to pinpoint problems. Being able to quickly and effectively troubleshoot can minimize downtime and is often what distinguishes a good network administrator from a great one.

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Yoel Alvarez

CISSP - vCISO / Sr Security Consultant
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Developing solid troubleshooting skills will guide your Admin career regardless of the equipment vendor at the time. Ask when in doubt, get involved, get hands on experience but do not stop advancing your troubleshooting skills.

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You're starting a career in Network Administration. What technical skills should you prioritize?

1

2

3

4

5

6

1 Networking Basics

2 Network Security

3 Wireless Networking

4 Advanced Networking

5 Scripting and Automation

6 Troubleshooting Skills

Network Administration

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You're starting a career in Network Administration. What technical skills should you prioritize?

1

2

3

4

5

6

1 Networking Basics

2 Network Security

3 Wireless Networking

4 Advanced Networking

5 Scripting and Automation

6 Troubleshooting Skills

Network Administration

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