@shivamNov22

Shivam Kumar

@shivamNov22Joined January 2026

Software Engineer 1 at Netcom Learning

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Shivam Kumar's blogs

Git Basicsgitbasicsandcommands.hashnode.dev1 post DNS Records and Typesdnstypesandrecorsbyshivamkumar.hashnode.dev1 post Complete Guide About DNS Resolutioncompleteguidefordnsresolutionbyshivamkumar.hashnode.dev1 post HTML Emmithtmlemmitblogbyshivamkumar.hashnode.dev1 post cURL – A Beginner’s Guidecurlbasicbyshivamkumar.hashnode.dev1 post

🎯 CSS Selectors 101: Targeting Elements with Precision (Beginner Guide)

🤔 First Question: Why Do We Even Need CSS? When you create a webpage using HTML, it looks like: Black text White background No styling 👉 HTML = Structure👉 CSS = Design CSS helps you add: Colors Spacing Layout Fonts Responsive design �...

Feb 1 · 4 min readcssselectorblogbyshivamkumar.hashnode.dev

🌐 How a Browser Works: A Beginner-Friendly Guide to Browser Internals

🤔 First Question: What Happens After You Type a URL and Press Enter? When you type: https://google.com And press Enter, it feels instant. But inside the browser…👉 Hundreds of small steps happen👉 Many components work together Today we will underst...

Feb 1 · 3 min readbrowserinternalsblogbyshivamkumar.hashnode.dev

TCP vs UDP: When to Use What & How TCP Relates to HTTP (Beginner Guide)

🤔 Step 1: Why Does the Internet Need Rules to Send Data? Imagine sending a parcel without: address ❌ tracking ❌ confirmation ❌ Parcel may: get lost arrive late arrive broken Internet also sends data packets.Without rules → chaos 😵 So inte...

Feb 1 · 4 min readtcpvsudpblogbyshivamkumar.hashnode.dev

A Complete HTML Course: Beginner to Advanced (Interview Ready)

1️⃣ What is HTML and Why We Use It? HTML = HyperText Markup Language HTML is used to structure web pages. Think like this: HTML = skeleton 🦴 CSS = clothes 👕 JavaScript = brain 🧠 Without HTML:❌ No headings❌ No text❌ No images❌ No forms 2️⃣ ...

Jan 31 · 4 min readhtmltagsandelementsbyshivamkumar.hashnode.dev

🔗 TCP Working: 3-Way Handshake & Reliable Communication (Beginner Guide)

🤔 First Question: What Happens If Data Is Sent Without Rules? Imagine you want to send a long message to your friend using WhatsApp. But: messages arrive in random order some messages are missing some messages are repeated Would you understand ...

Jan 31 · 4 min readtcpworkingblogbyshivamkumar.hashnode.dev

Shivam Kumar

About

Available for

Shivam Kumar's blogs

🎯 CSS Selectors 101: Targeting Elements with Precision (Beginner Guide)

🌐 How a Browser Works: A Beginner-Friendly Guide to Browser Internals

TCP vs UDP: When to Use What & How TCP Relates to HTTP (Beginner Guide)

A Complete HTML Course: Beginner to Advanced (Interview Ready)

🔗 TCP Working: 3-Way Handshake & Reliable Communication (Beginner Guide)

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Shivam Kumar

About

Available for

Shivam Kumar's blogs

🎯 CSS Selectors 101: Targeting Elements with Precision (Beginner Guide)

🌐 How a Browser Works: A Beginner-Friendly Guide to Browser Internals

TCP vs UDP: When to Use What & How TCP Relates to HTTP (Beginner Guide)

A Complete HTML Course: Beginner to Advanced (Interview Ready)

🔗 TCP Working: 3-Way Handshake & Reliable Communication (Beginner Guide)