Overall Score: 87%
Topic Level Scoring:
1.0 Designing highly available, cost efficient, fault tolerant, scalable systems: 84%
2.0 Implementation/Deployment: 100%
3.0 Security: 90%
4.0 Troubleshooting: 80%
Thank you, LA and all the amazing people here.
PS: I also took a bit of help from acloudguru and Whizlabs for practicing tests.