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genadipost/Basic_Questions.md

Last active December 14, 2018 10:28
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Basic_Questions.md

  • Say I open a web browser and enter an address. I hit enter. Describe how the connection the works in as much detail as possible. Create full workflow.

  • What’s a PTR in DNS?

  • What’s a MX record in DNS?

  • What is DNS split Horizon? When we will use it.

  • Show basic HTTP flow.

  • Describe how would you secure a web application

    • HTTP vs HTTPS

  • How SSL/TLS work. Show full workflow.

  • Explain PKI.

  • What is Server Name Indication (SNI), why its needed?

  • What is a CDN? When we will use it?

  • How a CDN chooses the closest host to serve a client?

  • In which cases would you choose to not implement a CDN?

  • What is a Inode?

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