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A company wants a key-value NoSQL database that is fully managed and serverless.

Which AWS service will meet these requirements?

A.
Amazon DynamoDB
A.
Amazon DynamoDB
Answers
B.
Amazon RDS
B.
Amazon RDS
Answers
C.
Amazon Aurora
C.
Amazon Aurora
Answers
D.
Amazon Memory DB for Redis
D.
Amazon Memory DB for Redis
Answers
Suggested answer: A

Explanation:

Amazon DynamoDB is a key-value and document database that delivers single-digit millisecond performance at any scale. It is a fully managed, serverless database that does not require provisioning, patching, or backup. It offers built-in security, backup and restore, and in-memory caching3. Amazon RDS is a relational database service that makes it easy to set up, operate, and scale a relational database in the cloud. It provides cost-efficient and resizable capacity while automating time-consuming administration tasks such as hardware provisioning, database setup, patching, and backups. However, it is not a key-value NoSQL database, and it is not serverless, as it requires you to choose an instance type and size4. Amazon Aurora is a MySQL and PostgreSQLcompatible relational database built for the cloud, that combines the performance and availability of traditional enterprise databases with the simplicity and cost-effectiveness of open source databases.

However, it is also not a key-value NoSQL database, and it is not serverless, as it requires you to choose an instance type and size. Amazon MemoryDB for Redis is a Redis-compatible, durable, inmemory database service that delivers ultra-fast performance and multi-AZ reliability for the most demanding applications. However, it is also not a key-value NoSQL database, and it is not serverless, as it requires you to choose a node type and size.

A company needs to set a maximum spending limit on AWS services each month. The company also needs to set up alerts for when the company reaches its spending limit.

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

A.
Cost Explorer
A.
Cost Explorer
Answers
B.
AWS Trusted Advisor
B.
AWS Trusted Advisor
Answers
C.
Service Quotas
C.
Service Quotas
Answers
D.
AWS Budgets
D.
AWS Budgets
Answers
Suggested answer: D

Explanation:

AWS Budgets is a service that helps you plan your service usage, service costs, and instance reservations, and track how close your plan is to your budgeted amount. You can set custom budgets that alert you when you exceed (or are forecasted to exceed) your budgeted thresholds. You can also use AWS Budgets to set a maximum spending limit on AWS services each month and set up alerts for when you reach your spending limit. Cost Explorer is a service that enables you to visualize, understand, and manage your AWS costs and usage over time. You can use Cost Explorer to view charts and graphs that show how your costs are trending, identify areas that need further inquiry, and see the impact of your cost management actions. However, Cost Explorer does not allow you to set a maximum spending limit or alerts for your AWS services. AWS Trusted Advisor is a service that provides you real time guidance to help you provision your resources following AWS best practices, including security and performance. It can help you monitor for cost optimization opportunities, such as unused or underutilized resources, but it does not allow you to set a maximum spending limit or alerts for your AWS services. Service Quotas is a service that enables you to view and manage your quotas, also referred to as limits, from a central location. Quotas, also referred to as limits, are the maximum number of resources that you can create in your AWS account. However, Service Quotas does not allow you to set a maximum spending limit or alerts for your AWS services.

A software engineer wants to launch a virtual machine (VM) and MySQL database on AWS.

Which AWS service will meet these requirements with the LEAST operational effort?

A.
Amazon Elastic Container Service (Amazon ECS)
A.
Amazon Elastic Container Service (Amazon ECS)
Answers
B.
AWS Elastic Beanstalk
B.
AWS Elastic Beanstalk
Answers
C.
Amazon Lightsail
C.
Amazon Lightsail
Answers
D.
Amazon EC2
D.
Amazon EC2
Answers
Suggested answer: B

Explanation:

AWS Elastic Beanstalk is a service that enables you to quickly deploy and manage applications in the AWS Cloud without worrying about the infrastructure that runs those applications. You simply upload your application, and Elastic Beanstalk automatically handles the details of capacity provisioning, load balancing, scaling, and application health monitoring. Elastic Beanstalk supports several platform configurations for Java, .NET, PHP, Node.js, Python, Ruby, Go, and Docker web applications that can run on familiar servers such as Apache, Nginx, Passenger, and IIS. You can also use Elastic Beanstalk to launch a virtual machine (VM) and MySQL database on AWS with the least operational effort. Amazon Elastic Container Service (Amazon ECS) is a fully managed container orchestration service that enables you to easily run, scale, and secure Docker containerized applications on AWS.

However, it requires more operational effort than Elastic Beanstalk, as you need to define your application architecture and the specifications of the containers that run it. Amazon Lightsail is an easy-to-use cloud platform that offers everything you need to build an application or website, plus a cost-effective, monthly plan. It is designed for developers who have little or no prior cloud experience and want to launch and manage applications on AWS with minimal complexity. However, it does not support MySQL databases, and it requires more operational effort than Elastic Beanstalk, as you need to configure your VM and database settings. Amazon EC2 is a web service that provides secure, resizable compute capacity in the cloud. It allows you to launch a virtual machine (VM) and MySQL database on AWS, but it requires the most operational effort, as you need to provision, monitor, and manage your EC2 instances and database.

A company runs business applications in an on-premises data center and in the AWS Cloud. The company needs a shared file system that can be available to both environments.

Which AWS service meets these requirements?

A.
Amazon Elastic Block Store (Amazon EBS)
A.
Amazon Elastic Block Store (Amazon EBS)
Answers
B.
Amazon S3
B.
Amazon S3
Answers
C.
Amazon ElastiCache
C.
Amazon ElastiCache
Answers
D.
Amazon Elastic File System (Amazon EFS)
D.
Amazon Elastic File System (Amazon EFS)
Answers
Suggested answer: D

Explanation:

Amazon Elastic File System (Amazon EFS) is a service that provides a simple, scalable, fully managed elastic NFS file system for use with AWS Cloud services and on-premises resources. It is built to scale on demand to petabytes without disrupting applications, growing and shrinking automatically as you add and remove files, eliminating the need to provision and manage capacity to accommodate growth. You can use Amazon EFS to create a shared file system that can be available to both your onpremises data center and your AWS Cloud environment. Amazon Elastic Block Store (Amazon EBS) is a service that provides persistent block storage volumes for use with Amazon EC2 instances in the AWS Cloud. Each Amazon EBS volume is automatically replicated within its Availability Zone to protect you from component failure, offering high availability and durability. However, Amazon EBS volumes are not shared file systems, and they cannot be available to both your on-premises data center and your AWS Cloud environment. Amazon S3 is a service that provides object storage through a web services interface. You can use Amazon S3 to store and protect any amount of data for a range of use cases, such as data lakes, websites, mobile applications, backup and restore, archive, enterprise applications, IoT devices, and big data analytics. However, Amazon S3 is not a shared file system, and it cannot be available to both your on-premises data center and your AWS Cloud environment without additional configuration. Amazon ElastiCache is a service that enables you to seamlessly set up, run, and scale popular open-source compatible in-memory data stores in the cloud. You can use Amazon ElastiCache to improve the performance of your applications by allowing you to retrieve information from fast, managed, in-memory data stores, instead of relying entirely on slower disk-based databases. However, Amazon ElastiCache is not a shared file system, and it cannot be available to both your on-premises data center and your AWS Cloud environment.

Which option is AWS responsible for under the AWS shared responsibility model?

A.
Network and firewall configuration
A.
Network and firewall configuration
Answers
B.
Client-side data encryption
B.
Client-side data encryption
Answers
C.
Management of user permissions
C.
Management of user permissions
Answers
D.
Hardware and infrastructure
D.
Hardware and infrastructure
Answers
Suggested answer: D

Explanation:

Hardware and infrastructure is the option that AWS is responsible for under the AWS shared responsibility model. The AWS shared responsibility model describes how AWS and customers share responsibilities for security and compliance in the cloud. AWS is responsible for security of the cloud, which means protecting the infrastructure that runs all the services offered in the AWS Cloud. This infrastructure is composed of the hardware, software, networking, and facilities that run AWS Cloud services. Customers are responsible for security in the cloud, which means taking care of the security of their own applications, data, and operating systems. This includes network and firewall configuration, client-side data encryption, management of user permissions, and more.

A company needs to run some of its workloads on premises to comply with regulatory guidelines.

The company wants to use the AWS Cloud to run workloads that are not required to be on premises.

The company also wants to be able to use the same API calls for the on-premises workloads and the cloud workloads.

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

A.
Dedicated Hosts
A.
Dedicated Hosts
Answers
B.
AWS Outposts
B.
AWS Outposts
Answers
C.
Availability Zones
C.
Availability Zones
Answers
D.
AWS Wavelength
D.
AWS Wavelength
Answers
Suggested answer: B

Explanation:

AWS Outposts is a fully managed service that extends AWS infrastructure, AWS services, APIs, and tools to virtually any datacenter, co-location space, or on-premises facility for a truly consistent hybrid experience1. AWS Outposts enables customers to run workloads on premises using the same

AWS APIs, tools, and services that they use in the cloud2. Dedicated Hosts are physical servers with EC2 instance capacity fully dedicated to a customer's use3. Availability Zones are one or more discrete data centers, each with redundant power, networking, and connectivity, housed in separate facilities within an AWS Region4. AWS Wavelength is an AWS Infrastructure offering optimized for mobile edge computing applications.

A company wants to set up a high-speed connection between its data center and its applications that run on AWS. The company must not transfer data over the internet.

Which action should the company take to meet these requirements?

A.
Transfer data to AWS by using AWS Snowball.
A.
Transfer data to AWS by using AWS Snowball.
Answers
B.
Transfer data to AWS by using AWS Storage Gateway.
B.
Transfer data to AWS by using AWS Storage Gateway.
Answers
C.
Set up a VPN connection between the data center and an AWS Region.
C.
Set up a VPN connection between the data center and an AWS Region.
Answers
D.
Set up an AWS Direct Connect connection between the company network and AWS.
D.
Set up an AWS Direct Connect connection between the company network and AWS.
Answers
Suggested answer: D

Explanation:

AWS Direct Connect is a cloud service solution that makes it easy to establish a dedicated network connection from a customer's premises to AWS. AWS Direct Connect does not involve the public internet, and therefore can reduce network costs, increase bandwidth throughput, and provide a more consistent network experience than internet-based connections. AWS Snowball is a petabytescale data transport service that uses secure devices to transfer large amounts of data into and out of the AWS Cloud. AWS Storage Gateway is a hybrid cloud storage service that gives customers onpremises access to virtually unlimited cloud storage. A VPN connection enables customers to establish a secure and private connection between their network and AWS.

A company is using a central data platform to manage multiple types of data for its customers. The company wants to use AWS services to discover, transform, and visualize the data.

Which combination of AWS services should the company use to meet these requirements? (Select TWO.)

A.
AWS Glue
A.
AWS Glue
Answers
B.
Amazon Elastic File System (Amazon EFS)
B.
Amazon Elastic File System (Amazon EFS)
Answers
C.
Amazon Redshift
C.
Amazon Redshift
Answers
D.
Amazon QuickSight
D.
Amazon QuickSight
Answers
E.
Amazon Quantum Ledger Database (Amazon QLDB)
E.
Amazon Quantum Ledger Database (Amazon QLDB)
Answers
Suggested answer: A, C

Explanation:

AWS Glue is a fully managed extract, transform, and load (ETL) service that makes it easy to prepare and load data for analytics. AWS Glue can discover data sources, transform data, and make it available for analysis by using data catalogs and workflows. Amazon Redshift is a fully managed, petabyte-scale data warehouse service in the cloud that enables customers to analyze data using standard SQL and existing business intelligence tools. Amazon Redshift can also integrate with other AWS services to visualize and transform data. Amazon Elastic File System (Amazon EFS) provides a simple, scalable, fully managed elastic NFS file system for use with AWS Cloud services and onpremises resources. Amazon QuickSight is a fast, cloud-powered business intelligence service that makes it easy to deliver insights to everyone in an organization. Amazon Quantum Ledger Database (Amazon QLDB) is a fully managed ledger database that provides a transparent, immutable, and cryptographically verifiable transaction log owned by a central trusted authority.

A company deployed an Amazon EC2 instance last week. A developer realizes that the EC2 instance is no longer running. The developer reviews a list of provisioned EC2 instances, and the EC2 instance is no longer on the list.

What can the developer do to generate a recent history of the EC2 instance?

A.
Run Cost Explorer to identify the start time and end time of the EC2 instance.
A.
Run Cost Explorer to identify the start time and end time of the EC2 instance.
Answers
B.
Use Amazon Inspector to find out when the EC2 instance was stopped.
B.
Use Amazon Inspector to find out when the EC2 instance was stopped.
Answers
C.
Perform a search in AWS CloudTrail to find all EC2 instance-related events.
C.
Perform a search in AWS CloudTrail to find all EC2 instance-related events.
Answers
D.
Use AWS Secrets Manager to display hidden termination logs of the EC2 instance.
D.
Use AWS Secrets Manager to display hidden termination logs of the EC2 instance.
Answers
Suggested answer: C

Explanation:

AWS CloudTrail is a service that enables governance, compliance, operational auditing, and risk auditing of a customer's AWS account. AWS CloudTrail allows customers to track user activity and API usage across their AWS infrastructure. AWS CloudTrail can also provide a history of EC2 instance events, such as launch, stop, terminate, and reboot. Cost Explorer is a tool that enables customers to visualize, understand, and manage their AWS costs and usage over time. Amazon Inspector is an automated security assessment service that helps improve the security and compliance of applications deployed on AWS. AWS Secrets Manager helps customers protect secrets needed to access their applications, services, and IT resources.

A company has all of its servers in the us-east-1 Region. The company is considering the deployment of additional servers different Region.

Which AWS tool should the company use to find pricing information for other Regions?

A.
Cost Explorer
A.
Cost Explorer
Answers
B.
AWS Budgets
B.
AWS Budgets
Answers
C.
AWS Purchase Order Management
C.
AWS Purchase Order Management
Answers
D.
AWS Pricing Calculator
D.
AWS Pricing Calculator
Answers
Suggested answer: D

Explanation:

AWS Pricing Calculator lets customers explore AWS services, and create an estimate for the cost of their use cases on AWS. AWS Pricing Calculator can also compare the costs of different AWS Regions and configurations. Cost Explorer is a tool that enables customers to visualize, understand, and manage their AWS costs and usage over time. AWS Budgets gives customers the ability to set custom budgets that alert them when their costs or usage exceed (or are forecasted to exceed) their budgeted amount. AWS Purchase Order Management is a feature that allows customers to pay for their AWS invoices using purchase orders.

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