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.

May 4, 2022

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

May 4, 2022

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…

May 4, 2022

Building blocks for a website hosting

May 4, 2022

DNS and Root Server

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

May 4, 2022

DNS and Root Server

May 4, 2022

Website & Web hosting

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

May 4, 2022

Website & Web hosting

May 4, 2022

SNI and Virtual hosting

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

May 1, 2022

SNI and Virtual hosting

May 1, 2022

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…

Mar 12, 2022

Explained — Digital Certificate — Part 4

Mar 12, 2022

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.

Mar 11, 2022

Explained — Digital Certificate — Part 3

Mar 11, 2022

Digital Certificate series — Part 2

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

Mar 8, 2022

Digital Certificate series — Part 2

Mar 8, 2022

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…

Mar 7, 2022

Digital Certificate series — Part 1

Mar 7, 2022

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…

Feb 9, 2022

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

Feb 9, 2022

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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