A company wants to migrate critical on-premises production systems to Amazon EC2 instances. The production instances will be used for at least 3 years. The company wants a pricing option that will minimize cost.Which solution will meet these requirements?
Answer(s): B
https://docs.aws.amazon.com/wellarchitected/latest/cost-optimization-pillar/select-the-best-pricing-model.html
A user needs the ability to access as many resources as are needed. The user also needs the ability to scale up and scale down with only a few minutes of notice.Which benefit of the AWS Cloud describes these abilities?
Answer(s): C
Elasticity is the ability to quickly increase or decrease computing resources as demand changes. AWS enables resources to scale up or down within minutes without requiring long-term capacity planning.
A security engineer wants a single-tenant AWS solution to create, control, and manage their own cryptographic keys to meet regulatory compliance requirements for data security.Which AWS service should the engineer use?
AWS CloudHSM provides single-tenant hardware security modules (HSMs) that allow you to generate, store,and manage your own cryptographic keys within the AWS Cloud. This service is designed to meet stringent regulatory compliance requirements for data security, offering dedicated HSM instances that you control.
https://aws.amazon.com/cloudhsm/
A company wants to use a graph database to detect fraud patterns in real time.Which AWS service will meet this requirement?
Amazon Neptune is a fully managed graph database designed for storing and querying highly connected data,enabling real-time detection of fraud patterns by efficiently traversing relationships.
A company wants an in-memory data store that is compatible with open source in the cloud.Which AWS service should the company use?
Amazon ElastiCache is a fully managed in-memory data store and cache service that supports open-source engines like Redis and Memcached, making it ideal for low-latency, high-throughput applications.Amazon DynamoDB is a NoSQL database, not in-memory.Amazon EBS provides block storage for EC2 instances, not an in-memory store.Amazon Redshift is a data warehouse optimized for analytics, not for in-memory caching.
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