11) Which of the following are key-value storage services on AWS?
Answer: Amazon DynamoDB, Amazon S3
12) Which AWS service should be used for data that is not frequently accessed?
Answer: Amazon Glacier
13) EBS volumes are network attached volumes.
Answer: True
14) You’ve been tasked to develop a durable backup solution using AWS resources. Which AWS resource would you use for backups on your file storage and why?
Answer:
Amazon S3 because it has eleven nines durability., Amazon S3 because it has the ability to enable versioning.
15) Your company has non-production and non-priority batch work loads that can be interrupted and need EC2 instances for processing. Which instance pricing model might be the best for this work load?
Answer:Spot Instances
16) Which of the following databases are supported on Amazon RDS?
Answer: MySQL, Aurora, MSSQL
17) Which of the following databases are support on Amazon RDS?
Answer: Oracle, PostgreSQL, MariaDB
18) Your company is using EC2 instances to host a website. Currently you’re running at least one EC2 instance 100% of the time. What pricing model could you choose to help reduce costs?
Answer :Reserved instances
19) As an architect it is your job to design for fault tolerance and high availability. Which core service(s) can you use when designing these application architectures?
Answer:
Amazon EC2, Auto-Scaling
20) It is best practice to always use roles when possible instead of API access keys.
Answer: True
21) You’ve been tasked with building a scalable solution on the AWS cloud. What component(s) make up a proper scalable solution?
Correct
Answer:
A scalable application will be resilient and operationally efficient., A scalable solution will decrease in cost as scale increases.
22) Your company is currently using Memcached in order to handle in-memory caching for your RDS servers. When migrating to AWS, which solution could you implement in order to maintain the caching engine and compatibility?
Answer:
Build an ElastiCache Cluster
23) You not only host the DNS for a domain, but you can also register domains on AWS using Route 53.
Answer:
True
24) What is the minimum size of an EBS volume?
Answer
1GiB
25) API credentials should never be stored on an AMI.
Answer:True
26) Which of the following is true about Amazon Reduced Redundancy Storage?
Answer:
RRS should be used only with data that is easily reproducible. , RRS has 99.99% durability., RRS has 99.99% availability.
Aryan Nava 