AWS Assessment

January 20, 2021

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1. Which of the following are true regarding AWS CloudTrail?

A. CloudTrail is enabled globally

B. CloudTrail is enabled on a per-region and service basis

C. CloudTrail is enabled for all available services within a region.

2. To create a mirror image of your environment in another region for disaster recovery, which of the following AWS resources do not need to be recreated in the second region?

A. Route 53 Record Sets

B. Elastic IP Addresses (EIP)

C. EC2 Key Pairs

D. Launch configurations

3. A user has setup an Auto Scaling group. Due to some issue the group has failed to launch a single instance for more than 24 hours. What will happen to Auto Scaling in this condition?

A. Auto Scaling will keep trying to launch the instance for 72 hours

B. Auto Scaling will suspend the scaling process

C. Auto Scaling will start an instance in a separate region

D. The Auto Scaling group will be terminated automatically

4. What does Connection draining do?

A. Terminates instances which are not in use.

B. Re-routes traffic from instances which are to be updated or failed a health check.

C. Re-routes traffic from instances which have more workload to instances which have less workload.

D. Drains all the connections from an instance, with one click.

5. How will you change the instance type for instances which are running in your application tier and are using Auto Scaling. Where will you change it from the following areas?

A. Auto Scaling policy configuration

B. Auto Scaling group

C. Auto Scaling tags configuration

D. Auto Scaling launch configuration

6. Suppose you have an application where you have to render images and also do some general computing. From the following services which service will best fit your need?

A. Classic Load Balancer

B. Application Load Balancer

C. Both of them

D. None of these

7. You are running a website on EC2 instances deployed across multiple Availability Zones with a Multi-AZ RDS MySQL Extra Large DB Instance. The site performs a high number of small reads and writes per second and relies on an eventual consistency model. After comprehensive tests you discover that there is read contention on RDS MySQL. Which are the best approaches to meet these requirements?

A. Deploy ElastiCache in-memory cache running in each availability zone

B. Implement sharding to distribute load to multiple RDS MySQL instances

C. Add an RDS MySQL read replica in each availability zone

8. A company is deploying a new two-tier web application in AWS. The company has limited staff and requires high availability, and the application requires complex queries and table joins. Which configuration provides the solution for the company’s requirements?

A. MySQL Installed on two Amazon EC2 Instances in a single Availability Zone

B. Amazon RDS for MySQL with Multi-AZ

C. Amazon ElastiCache

D. Amazon DynamoDB

9. If I am running my DB Instance as a Multi-AZ deployment, can I use the standby DB Instance for read or write operations along with primary DB instance?

A. Yes

B. Only with MySQL based RDS

C. Only for Oracle RDS instances

D. No

10. When would I prefer Provisioned IOPS over Standard RDS storage?

A. If you have batch-oriented workloads

B. If you use production online transaction processing (OLTP) workloads.

C. If you have workloads that are not sensitive to consistent performance

D. All of the above

11. Try this AWS scenario based interview question. I have some private servers on my premises, also I have distributed some of my workload on the public cloud, what is this architecture called?

A. Virtual Private Network

B. Private Cloud

C. Virtual Private Cloud

D. Hybrid Cloud

12. Why do you make subnets?

A. Because there is a shortage of networks

B. To efficiently utilize networks that have a large no. of hosts.

C. Because there is a shortage of hosts.

D. To efficiently utilize networks that have a small no. of hosts.

13. If you want to launch Amazon Elastic Compute Cloud (EC2) instances and assign each instance a predetermined private IP address you should:

A. Launch the instance from a private Amazon Machine Image (AMI).

B. Assign a group of sequential Elastic IP address to the instances.

C. Launch the instances in the Amazon Virtual Private Cloud (VPC).

D. Launch the instances in a Placement Group

14. When you need to move data over long distances using the internet, for instance across countries or continents to your Amazon S3 bucket, which method or service will you use?

A. Amazon Glacier

B. Amazon CloudFront

C. Amazon Transfer Acceleration

D. Amazon Snowball

15. When will you incur costs with an Elastic IP address (EIP)?

A. When an EIP is allocated.

B. When it is allocated and associated with a running instance.

C. When it is allocated and associated with a stopped instance.

D. Costs are incurred regardless of whether the EIP is associated with a running instance.

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