Deepak Singh – Medium

Deepak Singh

5G Frequency bands— Low band, Mid band, and mm-wave

5G 3GPP standard has divided the frequencies into two ranges. FR1 — frequency range 1 and FR2 — frequency range 2.

3 min readMay 4, 2022

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5G Frequency bands— Low band, Mid band, and mm-wave

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Deepak Singh

Building blocks for a website hosting

At a very high level — To build a hosted website, you will need a website (no surprise here), register a domain name, manage the DNS…

3 min readMay 4, 2022

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Building blocks for a website hosting

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Deepak Singh

DNS and Root Server

In most simplistic terms — the DNS Root server is just another DNS server.

3 min readMay 4, 2022

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DNS and Root Server

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Deepak Singh

Website & Web hosting

Website and web hosting are often considered synonymous, but these are two separate things.

2 min readMay 4, 2022

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Website & Web hosting

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Deepak Singh

SNI and Virtual hosting

In the early days of HTTP, dedicated physical servers were used to host single websites. Virtualization replaced the dedicated servers…

4 min readMay 1, 2022

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SNI and Virtual hosting

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Deepak Singh

Explained — Digital Certificate — Part 4

I will conclude four-part series about digital certificates with this post. Here are the links to previous posts, Part 1, Part 2, and Part…

7 min readMar 12, 2022

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Explained — Digital Certificate — Part 4

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Deepak Singh

Explained — Digital Certificate — Part 3

So far, I have covered the certificate basics in Part 1 & Part 2 of the four-part series about digital certificates.

8 min readMar 11, 2022

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Explained — Digital Certificate — Part 3

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Deepak Singh

Digital Certificate series — Part 2

In the previous post, I talked about Digital Certificates, Certifying Authority, PKI models, Chain of Trust, and Root Store.

6 min readMar 8, 2022

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Digital Certificate series — Part 2

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Deepak Singh

Digital Certificate series — Part 1

This four-part series will discuss various topics related to digital certificates. I have divided the content into four different posts…

5 min readMar 7, 2022

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Digital Certificate series — Part 1

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Deepak Singh

What happens when I type www.xyz.com in my browser and hit enter

At a very high level — The application (browser) tells the OS middleware (network module TCP/IP stack) to connect to a given website. The…

6 min readFeb 9, 2022

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What happens when I type www.xyz.com in my browser and hit enter

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Deepak Singh

Deepak Singh

Sales Eng., Consultant, Solutions Architect, Analyst, Hobbyist Coder. 2 Masters — MBA Georgia Tech, MS Analytics. Interested in technology, business & strategy

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