MICRO-COURSE

Networking & Internet Infrastructure

Networking & Internet Infrastructure: 16 short lessons, one for each concept. Network models, Ethernet, IP addressing, subnetting, routing, switching, TCP, UDP, DNS, DHCP, TLS, VPNs, proxies, firewalls, wireless networking, and network troubleshooting.

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01 / WATCH

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02 / UNDERSTAND

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Network models, Ethernet, IP addressing, subnetting, routing, switching, TCP, UDP, DNS, DHCP, TLS, VPNs, proxies, firewalls, wireless networking, and network troubleshooting.

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Concept scope

03 / TRY IT

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Choose one question about Networking & Internet Infrastructure that you want to answer.
Write down a small example, its inputs or starting point, and the result you expect.
Explain your reasoning and note what you would like reviewed in a live or 1:1 session.

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A short example, reasoning and an open question

Check your understanding

Explain the concept in your own words and identify where it fits in the subject.
Show one small example, the expected result and the reasoning behind it.
Record one limitation or edge case and a question to discuss with a mentor.

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16 results1–12

Lesson

Network models

A short lesson on network models from the Networking & Internet Infrastructure micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Ethernet

A short lesson on Ethernet from the Networking & Internet Infrastructure micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

IP addressing

A short lesson on IP addressing from the Networking & Internet Infrastructure micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Subnetting

A short lesson on subnetting from the Networking & Internet Infrastructure micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Routing

A short lesson on routing from the Networking & Internet Infrastructure micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

Switching

A short lesson on switching from the Networking & Internet Infrastructure micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

TCP

A short lesson on TCP from the Networking & Internet Infrastructure micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

UDP

A short lesson on UDP from the Networking & Internet Infrastructure micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

DNS

A short lesson on DNS from the Networking & Internet Infrastructure micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

DHCP

A short lesson on DHCP from the Networking & Internet Infrastructure micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

TLS

A short lesson on TLS from the Networking & Internet Infrastructure micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Lesson

VPNs

A short lesson on VPNs from the Networking & Internet Infrastructure micro course: what it is, where it shows up in real systems, and a practical example you can apply.

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Networking & Internet Infrastructure

Recorded video

Start with the topic guide.

Concept scope

Prepare a focused example

Check your understanding

Need a walkthrough?Stay with this topic.

Request a live session for this topic.

Explore 16 focused topics.

Network models

Ethernet

IP addressing

Subnetting

Routing

Switching

TCP

UDP

DNS

DHCP

TLS

VPNs

Need a walkthrough?
Stay with this topic.