AWS EC2 Quiz (100% solved)

You know that you need 24 CPUs for your production server. You also know that your compute capacity is going to remain fixed until next year, so you need to keep the production server up and running during that time. What pricing option would you go with? A.) A spot instance B.) On-demand instance C.) Three-year reserved instance D.) One-year reserved instance correct answers D You are planning to run a database on an EC2 instance. You know that the database is pretty heavy on I/O. The DBA told you that you would need a minimum of 8,000 IOPS. What is the storage option you should choose? A.) EBS Volume with magnetic hard drive B.) Store all the data files in the ephemeral storage of the server C.) EBS volume with provisioned IOPS D.) EBS volume with general-purpose SSD correct answers C You are running your application on a bunch of on-demand servers. On weekends you have to kick off a large batch job, and you are planning to add capacity. The batch job you are going to run over the weekend can be restarted if it fails. What is the best way to secure additional compute resources? A.) Use a spot instance B.) Use an on-demand instance C.) Use an on-demand instance plus PIOPS storage D.) Use an on-demand instance plus a general-purpose EBS volume correct answers A You have a compliance requirement that you should own the entire physical hardware and not other customer should run any other instances on the physical hardware. What options should you choose? A.) Put the hardware inside the VPC so that no customers can use it B.) Use a dedicated instance C.) Reserve the EC2 instance for 1 year D.) Reserve the EC2 instance for 10 years correct answers B You have created an instance in EC2, and you want to connect to it. What should you do to log in to the system for the first time? A.) Use the username/password combination to login to the server B.) Use the key-pair combination (private and public keys) C.) Use your cell phone to get a text message for secure login D.) Log in via the root user correct answers B