1. A gaming company has multiple Amazon EC2 instances in a single Availability Zone for its multiplayer game that communicates with users on Layer 4. The chief technology officer (CTO) wants to make the architecture highly available and cost-effective.Which should a solutions architect do to meet these requirements? (Choose two.)?(Select 2answers)

A) Configure an Application Load Balancer in front of the EC2 instances.
B) Decrease the number of EC2 instances.
C) Increase the number of EC2 instances.
D) Configure a Network Load Balancer (NLB) in front of the EC2 instances.
E) Configure an Auto Scaling group to add or remove instances in multiple Availability Zones automatically.


2. A Lambda function must execute a query against an Amazon RDS database in a private subnet.Which steps are required to allow the Lambda function to access the Amazon RDS database? (Select two.)(Select 2answers)

A) Change the ingress rules of the Amazon RDS security group, allowing the Lambda security group.
B) Add an Internet Gateway (IGW) to the VPC, route the private subnet to the IGW.
C) Create the Lambda function within the Amazon RDS VPC.
D) Change the ingress rules of Lambda security group, allowing the Amazon RDS security group.
E) Create a VPC Endpoint for Amazon RDS.


3. A product team is creating a new application that will store a large amount of data. The data will be analyzed hourly and modified by multiple Amazon EC2 Linux instances. The application team believes the amount of space needed will continue to grow for the next 6 months.Which set of actions should a solutions architect take to support these needs?

A) Store the data in an Amazon EFS file system. Mount the file system on the application instances.
B) Store the data in an Amazon EBS volume. Mount the EBS volume on the application instances.
C) Store the data in Amazon S3 Standard-Infrequent Access (S3 Standard-IA). Update the bucket policy to allow access to the application instances.
D) Store the data in Amazon S3 Glacier. Update the vault policy to allow access to the application instances.



4. An organization is currently hosting a large amount of frequently accessed data consisting of key-value pairs and semi-structured documents in their data center. They are planning to move this data to AWS.Which of one of the following services MOST effectively meets their needs?

A) Amazon Aurora
B) Amazon Redshift
C) Amazon DynamoDB
D) Amazon RDS



5. A company wants to host a scalable web application on AWS. The application will be accessed by users from different geographic regions of the world. Application users will be able to download and upload unique data up to gigabytes in size. The development team wants a cost-effective solution to minimize upload and download latency and maximize performance.What should a solutions architect do to accomplish this?

A) Use Amazon EC2 with Auto Scaling and Amazon CloudFront to host the application.
B) Use Amazon S3 with Transfer Acceleration to host the application.
C) Use Amazon S3 with CacheControl headers to host the application.
D) Use Amazon EC2 with Auto Scaling and Amazon ElastiCache to host the application.