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Amazon CLF-C02 Practice Test - Questions Answers, Page 41

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Question 401

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Which AWS service helps developers use loose coupling and reliable messaging between microservices?

Elastic Load Balancing
Elastic Load Balancing
Amazon Simple Notification Service (Amazon SNS)
Amazon Simple Notification Service (Amazon SNS)
Amazon CloudFront
Amazon CloudFront
Amazon Simple Queue Service (Amazon SQS)
Amazon Simple Queue Service (Amazon SQS)
Suggested answer: D

Explanation:

Amazon Simple Queue Service (Amazon SQS) is a service that provides fully managed message queues for asynchronous communication between microservices. It helps developers use loose coupling and reliable messaging by allowing them to send, store, and receive messages between distributed components without losing them or requiring each component to be always available1.

Elastic Load Balancing is a service that distributes incoming traffic across multiple targets, such as Amazon EC2 instances, containers, and IP addresses. Amazon Simple Notification Service (Amazon SNS) is a service that provides fully managed pub/sub messaging for event-driven and push-based communication between microservices. Amazon CloudFront is a service that provides a fast and secure content delivery network (CDN) for web applications.

asked 16/09/2024
Christopher Castillo
35 questions

Question 402

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A company is building a mobile app to provide shopping recommendations to its customers. The company wants to use a graph database as part of the shopping recommendation engine.

Which AWS database service should the company choose?

Amazon DynamoDB
Amazon DynamoDB
Amazon Aurora
Amazon Aurora
Amazon Neptune
Amazon Neptune
Amazon DocumentDB (with MongoDB compatibility)
Amazon DocumentDB (with MongoDB compatibility)
Suggested answer: C

Explanation:

Amazon Neptune is a service that provides a fully managed graph database that supports property graphs and RDF graphs. It can be used to build applications that work with highly connected datasets, such as shopping recommendations, social networks, fraud detection, and knowledge graphs2. Amazon DynamoDB is a service that provides a fully managed NoSQL database that delivers fast and consistent performance at any scale. Amazon Aurora is a service that provides a fully managed relational database that is compatible with MySQL and PostgreSQL. Amazon DocumentDB (with MongoDB compatibility) is a service that provides a fully managed document database that is compatible with MongoDB.

asked 16/09/2024
Kaliannan K
33 questions

Question 403

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Which option is the default pricing model for Amazon EC2 instances?

On-Demand Instances
On-Demand Instances
Savings Plans
Savings Plans
Spot Instances
Spot Instances
Reserved Instances
Reserved Instances
Suggested answer: A

Explanation:

On-Demand Instances are the default pricing model for Amazon EC2 instances. They allow users to pay for compute capacity by the second, with no long-term commitments or upfront payments. They are suitable for applications with short-term, irregular, or unpredictable workloads that cannot be interrupted3. Savings Plans are a pricing model that offer significant savings on Amazon EC2 and AWS Fargate usage, in exchange for a commitment to a consistent amount of usage (measured in $/hour) for a 1-year or 3-year term. Spot Instances are a pricing model that offer spare Amazon EC2 compute capacity at up to 90% discount compared to On-Demand prices, but they can be interrupted by AWS with a two-minute notice when the demand exceeds the supply. Reserved Instances are a pricing model that offer up to 75% discount compared to On-Demand prices, in exchange for a commitment to use a specific instance type and size in a specific region for a 1-year or 3-year term.

asked 16/09/2024
IllDisposed ToBTS
31 questions

Question 404

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Which AWS service can provide a dedicated network connection with consistent low latency from on premises to the AWS Cloud?

Amazon VPC
Amazon VPC
Amazon Kinesis Data Streams
Amazon Kinesis Data Streams
AWS Direct Connect
AWS Direct Connect
Amazon OpenSearch Service
Amazon OpenSearch Service
Suggested answer: C

Explanation:

AWS Direct Connect is a service that provides a dedicated network connection from on premises to the AWS Cloud. It can reduce network costs, increase bandwidth throughput, and provide a more consistent network experience than internet-based connections. It can also provide low latency for applications that require real-time data transfer4. Amazon VPC is a service that provides a logically isolated section of the AWS Cloud where users can launch AWS resources in a virtual network that they define. Amazon Kinesis Data Streams is a service that provides a scalable and durable stream of data records for real-time data processing. Amazon OpenSearch Service is a service that provides a fully managed, scalable, and secure search and analytics solution that is compatible with Elasticsearch.

asked 16/09/2024
Robert Fox
50 questions

Question 405

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A company simulates workflows to review and validate that all processes are effective and that staff are familiar with the processes.

Which design principle of the AWS Well-Architected Framework is the company following with this practice?

Perform operations as code.
Perform operations as code.
Refine operation procedures frequently.
Refine operation procedures frequently.
Make frequent, small, reversible changes.
Make frequent, small, reversible changes.
Structure the company to support business outcomes.
Structure the company to support business outcomes.
Suggested answer: B

Explanation:

Refine operation procedures frequently is one of the design principles of the operational excellence pillar of the AWS Well-Architected Framework. It means that users should continuously review and validate their operational processes to ensure that they are effective and that staff are familiar with them. It also means that users should identify and address any gaps or issues in their processes, and incorporate feedback and lessons learned from operational events5. Perform operations as code is another design principle of the operational excellence pillar, which means that users should automate and script their operational tasks to reduce human error and enable consistent and repeatable execution. Make frequent, small, reversible changes is a design principle of the reliability pillar, which means that users should deploy changes in small increments that can be easily tested and rolled back if necessary. Structure the company to support business outcomes is a design principle of the performance efficiency pillar, which means that users should align their organizational structure and culture with their business goals and cloud strategy.

asked 16/09/2024
Carlos Almeida Fernandes
32 questions

Question 406

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A company has designed its AWS Cloud infrastructure to run its workloads effectively. The company also has protocols in place to continuously improve supporting processes.

Which pillar of the AWS Well-Architected Framework does this scenario represent?

Security
Security
Performance efficiency
Performance efficiency
Cost optimization
Cost optimization
Operational excellence
Operational excellence
Suggested answer: D

Explanation:

The scenario represents the operational excellence pillar of the AWS Well-Architected Framework, which focuses on running and monitoring systems to deliver business value and continually improve supporting processes and procedures1. Security, performance efficiency, cost optimization, and reliability are the other four pillars of the framework1.

asked 16/09/2024
Janko Schutte
32 questions

Question 407

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Which AWS service is a continuous delivery and deployment solution?

AWSAppSync
AWSAppSync
AWS CodePipeline
AWS CodePipeline
AWS Cloud9
AWS Cloud9
AWS CodeCommit
AWS CodeCommit
Suggested answer: B

Explanation:

AWS CodePipeline is a continuous delivery and deployment service that automates the release process of software applications across different stages, such as source code, build, test, and deploy2. AWSAppSync, AWS Cloud9, and AWS CodeCommit are other AWS services related to application development, but they do not provide continuous delivery and deployment solutions34 .

asked 16/09/2024
YASSIR EL GHAZY
54 questions

Question 408

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A company wants to set AWS spending targets and track costs against those targets.

Which AWS tool or feature should the company use to meet these requirements?

AWS Cost Explorer
AWS Cost Explorer
AWS Budgets
AWS Budgets
AWS Cost and Usage Report
AWS Cost and Usage Report
Savings Plans
Savings Plans
Suggested answer: B

Explanation:

AWS Budgets is a tool that allows users to set AWS spending targets and track costs against those targets. Users can create budgets for various dimensions, such as service, linked account, tag, and more. Users can also receive alerts when the actual or forecasted costs exceed or are projected to exceed the budgeted amount. AWS Cost Explorer, AWS Cost and Usage Report, and Savings Plans are other AWS tools or features that can help users manage and optimize their AWS costs, but they do not enable users to set and track spending targets .

asked 16/09/2024
Alvaro Alejandro Zorrilla Tello
29 questions

Question 409

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Which AWS services can be used to store files? (Select TWO.)

Amazon S3
Amazon S3
AWS Lambda
AWS Lambda
Most voted
(1)
Most voted
Amazon Elastic Block Store (Amazon EBS)
Amazon Elastic Block Store (Amazon EBS)
Amazon SageMaker
Amazon SageMaker
AWS Storage Gateway
AWS Storage Gateway
Most voted
(1)
Most voted
Suggested answer: A, C

Explanation:

Amazon S3 and Amazon EBS are two AWS services that can be used to store files . Amazon S3 is an object storage service that offers high scalability, durability, availability, and performance. Amazon EBS is a block storage service that provides persistent and low-latency storage volumes for Amazon EC2 instances. AWS Lambda, Amazon SageMaker, and AWS Storage Gateway are other AWS services that have different purposes, such as serverless computing, machine learning, and hybrid cloud storage .

asked 16/09/2024
Souf Maatoug
40 questions

Question 410

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A company's application has high customer usage during certain times of the day. The company wants to reduce the number of Amazon EC2 instances that run when application usage is low.

Which AWS service or instance purchasing option should the company use to meet this requirement?

EC2 Instance Savings Plans
EC2 Instance Savings Plans
Spot Instances
Spot Instances
Reserved Instances
Reserved Instances
Amazon EC2 Auto Scaling
Amazon EC2 Auto Scaling
Suggested answer: D

Explanation:

Amazon EC2 Auto Scaling is an AWS service that can help users reduce the number of Amazon EC2 instances that run when application usage is low. Amazon EC2 Auto Scaling allows users to create scaling policies that automatically adjust the number of EC2 instances based on the demand or a schedule. EC2 Instance Savings Plans, Spot Instances, and Reserved Instances are instance purchasing options that can help users save money on EC2 usage, but they do not automatically scale the number of instances according to the application usage .

asked 16/09/2024
Lyboth Ntsana
43 questions
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