AWS Misc Questions

Question 1

Where can you find an instances metadata

Answer 1

http://instance-ip/latest/meta-data

Question 2

How can you find information on an instance such as IP address

Answer 2

in the instance meta-data

Question 3

What is required to back up an EBS raid array

Answer 3

Need to assure all IO has stopped. Snapshot all EBS volumes

1) Stop all Applications
2) Flush cache to disk
3) Confirm no IO to RAID array. May require unmount disk or shutting down EC2
4) After all disk-related activity has halted, take snapshots of each EBS volume

Question 4

What storage system encrypt by default

Answer 4

Glacier and Storage Gateway

Question 5

What is required to use Route53 and S3 to host a web site

Answer 5

S3 bucket name must be the same as the domain name, Route53 registered domain

Question 6

What are the size of snowball and snowball edge

Answer 6

Snowball is 80TB (72 TB Usable) and Snowball Edge is 100 TB (83 TB usable). Snowball Edge also has on-board compute for select operations.

Question 7

AWS STS

Answer 7

Security Token Service.

Question 8

Amazon DLM

Answer 8

Data Lifecycle Manager can manage creation, retention, and deleting EBS snapshots

Question 9

Different types of DR scenerios

Answer 9

Backup-Restore, Pilot Light, Warm Standby, Multi-Site

Question 10

What is a MEAN stack

Answer 10

MongoDB, Express.js, Angler.js, Node.js