Amazon Interview Question for Software Engineer / Developers


Team: AWS
Country: United States
Interview Type: Phone Interview




Comment hidden because of low score. Click to expand.
1
of 1 vote

The http request goes to the dns server...gets resolved to an ipadress.
The ipadress is then located as the call travels through a series of routers(Part of tcp/ip).
The server then process the request and emits html which travels back to the source
as a http response(application layer) riding over tcp/ip.

- quickpuzzlesolver December 25, 2011 | Flag Reply
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0
of 0 votes

this is not wholly correct. The http request doesn't go to DNS. It's a simple name to IP(s) UDP based query and http has nothing to do with. Since the name can be resolved to multiple IPs, the http-client (browser) has to pick one. Also first it's checked the local DNS cache and any other DNS rules.

- stanimir December 25, 2011 | Flag
Comment hidden because of low score. Click to expand.
0
of 0 votes

the browser picks an IP or DNS picks an IP to send back so that DNS can handle the ratio of IP to be visited.

- yangqch December 27, 2011 | Flag


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