It translates domain names into server IP addresses

It encrypts traffic between the browser and the server using TLS

It stores copies of sites closer to the user for fast loading

System Design · Junior · Question 2 of 75

What is DNS for?

✓Correct answer: It translates domain names into server IP addresses
2It encrypts traffic between the browser and the server using TLS
3It stores copies of sites closer to the user for fast loading

Explanation

DNS is the internet's distributed "phone book". Responses are cached (browser, OS, ISP) for the duration of the TTL. Encryption is TLS's job, and copies of content near the user are the CDN's job.

What is DNS for?

Explanation

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