AWS Certified Cloud Practitioner
Practice Test 3
A customer has a number of on-demand instances running simultaneously to serve customer
transactions. Occasionally, most of these instances do no perform any tasks when demand is low. What
is a good cost optimization strategy to implement for this case? - Answer-Implement an auto scaling
group to control the number of running instances at a time
Which of the following is one of the benefits of migrating your systems from an on-premises data center
to AWS Cloud? - Answer-Enables the customer to focus on business activities rather than on the heavy
lifting of racking, stacking, and powering servers
A customer needs to establish a dedicated connection between their on-premises network and their
AWS VPC that provides a more consistent network experience than Internet-based connections. Which
of the following network should they use? - Answer-AWS Direct Connect
Which of the following is best suited for load balancing Transmission Control Protocol (TCP), User
Datagram Protocol (UDP), and Transport Layer Security (TLS) traffic including the capability of handing
millions of requests per second while maintaining ultra-low latencies? - Answer-Network Load Balancer
A company needs to troubleshoot an issue on their serverless application which is composed of an API
Gateway, Lambda function, and a DynamoDB database. Which service should they use to trace user
requests as they travel through their entire application? - Answer-AWS X-Ray
, Which of the following is used to enable instances in the public subnet to connect to the public Internet?
- Answer-Internet Gateway
Which of the following are the best practices that can help secure your AWS resources using the AWS
Identity and Access Management (IAM) service? - Answer-Grant least privilege, Lock away your AWS
account root user access keys
Which of the following is a fully managed database in AWS that can be used to store JSON documents? -
Answer-Amazon DynamoDB
_____ lets you provision a logically isolated section of the AWS Cloud where you can launch AWS
resources in a virtual network that you define. - Answer-Amazon VPC
Which of the following should you use to automatically transfer your infrequently accessed data in your
S3 bucket to a more cost-effective storage class? - Answer-Lifecycle Policy
Which of the following are defined as global services in AWS? - Answer-AWS IAM, AWS CloudFront
A customer is building a cloud architecture in AWS which should scale horizontally or vertically in order
to automatically adjust capacity and maintain steady, predictable performance at the lowest possible
cost. Which of the following are true regarding horizontal and vertical scaling? - Answer-Adding more
EC2 instances to your resource pool is an example of Horizonal Scaling, Upgrading to a higher EC2
instance type is an example of Vertical Scaling
A new AWS customer needs to deploy up to 100 t3a.large EC2 instances on their recently launched VPC,
which is way beyond the default service limit. What should they do before launching their instances? -
Answer-Create a case in the AWS Support Center page and request a service limit increase
Practice Test 3
A customer has a number of on-demand instances running simultaneously to serve customer
transactions. Occasionally, most of these instances do no perform any tasks when demand is low. What
is a good cost optimization strategy to implement for this case? - Answer-Implement an auto scaling
group to control the number of running instances at a time
Which of the following is one of the benefits of migrating your systems from an on-premises data center
to AWS Cloud? - Answer-Enables the customer to focus on business activities rather than on the heavy
lifting of racking, stacking, and powering servers
A customer needs to establish a dedicated connection between their on-premises network and their
AWS VPC that provides a more consistent network experience than Internet-based connections. Which
of the following network should they use? - Answer-AWS Direct Connect
Which of the following is best suited for load balancing Transmission Control Protocol (TCP), User
Datagram Protocol (UDP), and Transport Layer Security (TLS) traffic including the capability of handing
millions of requests per second while maintaining ultra-low latencies? - Answer-Network Load Balancer
A company needs to troubleshoot an issue on their serverless application which is composed of an API
Gateway, Lambda function, and a DynamoDB database. Which service should they use to trace user
requests as they travel through their entire application? - Answer-AWS X-Ray
, Which of the following is used to enable instances in the public subnet to connect to the public Internet?
- Answer-Internet Gateway
Which of the following are the best practices that can help secure your AWS resources using the AWS
Identity and Access Management (IAM) service? - Answer-Grant least privilege, Lock away your AWS
account root user access keys
Which of the following is a fully managed database in AWS that can be used to store JSON documents? -
Answer-Amazon DynamoDB
_____ lets you provision a logically isolated section of the AWS Cloud where you can launch AWS
resources in a virtual network that you define. - Answer-Amazon VPC
Which of the following should you use to automatically transfer your infrequently accessed data in your
S3 bucket to a more cost-effective storage class? - Answer-Lifecycle Policy
Which of the following are defined as global services in AWS? - Answer-AWS IAM, AWS CloudFront
A customer is building a cloud architecture in AWS which should scale horizontally or vertically in order
to automatically adjust capacity and maintain steady, predictable performance at the lowest possible
cost. Which of the following are true regarding horizontal and vertical scaling? - Answer-Adding more
EC2 instances to your resource pool is an example of Horizonal Scaling, Upgrading to a higher EC2
instance type is an example of Vertical Scaling
A new AWS customer needs to deploy up to 100 t3a.large EC2 instances on their recently launched VPC,
which is way beyond the default service limit. What should they do before launching their instances? -
Answer-Create a case in the AWS Support Center page and request a service limit increase
