Add AWS execrises and questions

Mostly about VPC and Route 53.

exercises/aws/solutions/creating_records.md

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+## AWS Route 53 - Creating Records
+
+### Requirements
+
+At least one registered domain
+
+### Objectives
+
+1. Create the following record for your domain:
+  1. Record name: foo
+  2. Record type: A
+  3. Set some IP in the value field
+
+2. Verify from the shell that you are able to use the record you've created to lookup for the IP address by using the domain name
+
+### Solution
+
+1. Go to Route 53 service -> Hosted zones
+2. Click on your domain name
+3. Click on "Create record"
+4. Insert "foo" in "Record name"
+5. Set "Record type" to A
+6. In "Value" insert "201.7.20.22"
+7. Click on "Create records"
+
+1. In your shell, type `nslookup foo.<YOUR DOMAIN>` or `dig foo.<YOUR NAME`