A company plans to migrate its application from on premises to the AWS Cloud. The company needs to gather usage and configuration data for the application components.
Which AWS service will meet these requirements?
A. AWS Database Migration Service (AWS DMS)
B. AWS Transfer Family
C. AWS Application Discovery Service
D. AWS Global Accelerator
Show Answer
Correct Answer: C
Explanation: AWS Application Discovery Service is designed to collect usage, configuration, and dependency data from on‑premises application components. This information is used to understand the existing environment and plan migrations to the AWS Cloud. The other options do not provide application discovery and dependency mapping capabilities.
Question 103
A company wants a fully managed service that centralizes and automates data protection across AWS services and hybrid workloads.
Which AWS service will meet these requirements?
A. AWS Artifact
B. AWS Backup
C. AWS Batch
D. AWS Shield
Show Answer
Correct Answer: B
Explanation: AWS Backup is a fully managed service that centralizes and automates data protection across multiple AWS services and supports hybrid workloads. It provides centralized backup policies, scheduling, retention, and monitoring, which directly matches the requirement.
Question 104
A company needs to run an application on Amazon EC2 instances without interruption.
Which EC2 instance purchasing option will meet this requirement MOST cost-effectively?
A. Standard Reserved Instances
B. Convertible Reserved Instances
C. On-Demand Instances
D. Spot Instances
Show Answer
Correct Answer: C
Explanation: The requirement is to run the application without interruption, which rules out Spot Instances. There is no stated long-term or predictable duration, so committing to 1- or 3-year Reserved Instances is not justified. On-Demand Instances provide uninterrupted capacity with no long-term commitment and are therefore the most cost-effective option given the lack of time horizon.
Question 105
A company wants to explore and analyze data in Amazon S3 by using a programming language.
Which AWS service will meet these requirements?
A. Amazon Kendra
B. Amazon Athena
C. Amazon Comprehend
D. Amazon SageMaker
Show Answer
Correct Answer: B
Explanation: Amazon Athena is a serverless interactive query service that lets you explore and analyze data directly in Amazon S3 using SQL. It is designed specifically for querying S3 data without managing infrastructure, which fits the requirement to explore and analyze S3 data using a programming/query language.
Question 106
Which AWS service or tool provides recommendations to help users get rightsized Amazon EC2 instances based on historical workload usage data?
A. AWS Pricing Calculator
B. AWS Compute Optimizer
C. AWS App Runner
D. AWS Systems Manager
Show Answer
Correct Answer: B
Explanation: AWS Compute Optimizer analyzes historical utilization and configuration data for Amazon EC2 instances and provides rightsizing recommendations to improve cost efficiency and performance. The other options do not offer automated, data-driven EC2 rightsizing recommendations.
Question 107
A company wants to build, train, and deploy machine learning (ML) models.
Which AWS service can the company use to meet this requirement?
A. Amazon Personalize
B. Amazon Comprehend
C. Amazon Forecast
D. Amazon SageMaker
Show Answer
Correct Answer: D
Explanation: Amazon SageMaker is a fully managed AWS service designed to build, train, and deploy machine learning models at scale. It provides end-to-end ML capabilities, including data preparation, model training, tuning, deployment, and MLOps. The other options are specialized AI services for specific use cases rather than general ML model development.
Question 108
A company has multiple SQL-based databases located in a data center. The company needs to migrate all database servers to the AWS Cloud to reduce the cost of operating physical servers.
Which AWS service or resource will meet these requirements with the LEAST operational overhead?
A. Amazon EC2 instances
B. Amazon RDS
C. Amazon DynamoDB
D. OpenSearch
Show Answer
Correct Answer: B
Explanation: Amazon RDS supports SQL-based engines (e.g., MySQL, PostgreSQL, SQL Server, Oracle) and offloads routine operational tasks like patching, backups, scaling, and high availability, resulting in the least operational overhead compared to managing EC2 instances. DynamoDB is NoSQL, and OpenSearch is for search/analytics, not general SQL databases.
Question 109
Which pillar of the AWS Well-Architected Framework focuses on the ability to recover automatically from service interruptions?
A. Security
B. Performance efficiency
C. Operational excellence
D. Reliability
Show Answer
Correct Answer: D
Explanation: The Reliability pillar of the AWS Well-Architected Framework focuses on ensuring a workload can recover automatically from failures, including infrastructure or service interruptions, through features like fault tolerance, redundancy, and automated recovery.
Question 110
Which AWS Well-Architected Framework concept represents a system's ability to remain functional when the system encounters operational problems?
A. Consistency
B. Elasticity
C. Durability
D. Latency
Show Answer
Correct Answer: C
Explanation: Within the AWS Well-Architected Framework, the ability to continue operating despite failures is formally described as reliability and resiliency. Among the provided options, Durability is the closest match because it refers to a system’s ability (particularly data and components) to withstand failures without loss, whereas the other options relate to scaling (elasticity), performance timing (latency), or data models (consistency).
Question 111
Which AWS Cloud Adoption Framework (AWS CAF) perspective focuses on real-time insights and answers questions about strategy?
A. Operations
B. People
C. Business
D. Platform
Show Answer
Correct Answer: C
Explanation: In the AWS Cloud Adoption Framework, the Business perspective focuses on ensuring that cloud adoption aligns with business goals and strategy. It provides real-time insights into business outcomes, value realization, and answers strategic questions about why and how the organization is adopting the cloud.
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