Amazon Cloud Support Engineer interview questions

First Interview: What happens in the browser when you type Amazon.com?, How do you scale a PHP application?, Tell me about a time when you did more than was needed by a client?, How do you host two websites using the same IP?, How do you check the states of slow running queries in databases and ho do you optimize them ?, How would you migrate an application from Google Cloud Datastore to Amazon S3?(I would say this was specific to me because I had earlier stated that I had experience with the Google Cloud Platform), What is the difference between absolute and relative URLs and what are the advantages/disadvantages of each?, What is the deafault MySQL port?