From 6809a3978c42abf2446bc633b6a2cdfb760b1fcc Mon Sep 17 00:00:00 2001 From: Diljit PR Date: Fri, 19 Apr 2019 05:33:32 +0530 Subject: [PATCH] Emphasised system questions around managed DNS Added more verbosity on how questions on questions around managed DNS can arrive during interviews. --- README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/README.md b/README.md index a6c4cab8..b0531adc 100644 --- a/README.md +++ b/README.md @@ -553,6 +553,8 @@ Services such as [CloudFlare](https://www.cloudflare.com/dns/) and [Route 53](ht * Latency-based * Geolocation-based +Managed DNS Services such as [CloudFlare](https://www.cloudflare.com/dns/) and [Route 53](https://aws.amazon.com/route53/) are very common during interviews these days. System design questions may revolve around managing mulitple availability zones of your application (e.g. like amazon.in and amaazon.com) and how would you route users to their appropiate geographical location depending on their source, so emphaize on these concepts more. + ### Disadvantage(s): DNS * Accessing a DNS server introduces a slight delay, although mitigated by caching described above.