AWS Certified Solutions Architect - Associate

• #6414 चुनें

  In AWS, which security aspects are the customer's responsibility? (Choose 4 answers)

  • ASecurity Group and ACL (Access Control List) settings.
  • BDecommissioning storage devices.
  • CPatch management on the EC2 instance's operating system.
  • DLife-cycle management of IAM credentials.
  • EControlling physical access to compute resources.
  • FEncryption of EBS (Elastic Block Storage) volumes.
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• #642

  What can I access by visiting the URL: http://status.aws.amazon.com/?

  • AAmazon Cloud Watch.
  • BStatus of the Amazon RDS DB.
  • CAWS Service Health Dashboard.
  • DAWS Cloud Monitor.
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• #643

  My Read Replica appears 'stuck' after a Multi-AZ failover and is unable to obtain or apply updates from the source DB Instance. What do I do?

  • AYou will need to delete the Read Replica and create a new one to rep lace it.
  • BYou will need to disassociate the DB Engine and re associate it.
  • CThe instance should be deployed to Single AZ and then moved to Multi-AZ once again.
  • DYou will need to delete the DB Instance and create a new one to replace it.
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• #644

  A newspaper organization has a on-premises application which allows the public to search its back catalogue and retrieve individual newspaper pages via a website written in Java They have scanned the old newspapers into JPEGs (approx 17TB) and used Optical Character Recognition (OCR) to populate a commercial search product. The hosting platform and software are now end of life and the organization wants to migrate Its archive to AWS and produce a cost efficient architecture and still be designed for availability and durability. Which is the most appropriate?

  • AUse S3 with reduced redundancy to store and serve the scanned files, install the commercial search application on EC2 Instances and configure with auto-scaling and an Elastic Load Balancer.
  • BModel the environment using CloudFormation use an EC2 instance running Apache webserver and an open source search application, stripe multiple standard EB5 volumes together to store the JPEGs and search index.
  • CUse S3 with standard redundancy to store and serve the scanned files, use Cloud5earch for query processing, and use Elastic Beanstalk to host the website across multiple Availability Zones.
  • DUse a single-AZ RD5 My5QL instance to store the search index 33d the JPEG images use an EC2 instance to serve the website and translate user queries into 5Q
  • EUse a CloudFront download distribution to serve the JPEGs to the end users and Install the current commercial search product, along with a Java Container Tor the website on EC2 instances and use Route 53 with DNS round-robin.
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• #645

  You need to measure the performance of your EBS volumes as they seem to be under performing. You have come up with a measurement of 1,024 KB I/O but your colleague tells you that EBS volume performance is measured in IOPS. How many IOPS is equal to 1,024 KB I/O?

  • A16.
  • B256.
  • C8.
  • D4.
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• #646

  Which of the following statements is true of creating a launch configuration using an EC2 instance?

  • AThe launch configuration can be created only using the Query APIs.
  • BAuto Scaling automatically creates a launch configuration directly from an EC2 instance.
  • CA user should manually create a launch configuration before creating an Auto Scaling group.
  • DThe launch configuration should be created manually from the AWS CL.
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• #647

  You've been brought in as solutions architect to assist an enterprise customer with their migration of an e-commerce platform to Amazon Virtual Private Cloud (VPC) The previous architect has already deployed a 3-tier VPC, The configuration is as follows. VPC: vpc-2f8bc447. IGW: igw-2d8bc445. NACL: ad-208bc448. 5ubnets and Route Tables: Web servers: subnet-258bc44d. Application servers: subnet-248bc44c. Database servers: subnet-9189c6f9. Route Tables: rrb-218bc449, rtb-238bc44b. Associations: subnet-258bc44d: rtb-218bc449, subnet-248bc44c: rtb-238bc44b, subnet-9189c6f9: rtb-238bc44b. You are now ready to begin deploying EC2 instances into the VPC Web servers must have direct access to the internet Application and database servers cannot have direct access to the internet. Which configuration below will allow you the ability to remotely administer your application and database servers, as well as allow these servers to retrieve updates from the Internet?

  • ACreate a bastion and NAT instance in subnet-258bc44d, and add a route from rtb- 238bc44b to the NAT instance.
  • BAdd a route from rtb-238bc44b to igw-2d8bc445 and add a bastion and NAT instance within subnet-248bc44c.
  • CCreate a bastion and NAT instance in subnet-248bc44c, and add a route from rtb- 238bc44b to subnet-258bc44d.
  • DCreate a bastion and NAT instance in subnet-258bc44d, add a route from rtb-238bc44b to lgw- 2d8bc445, and a new NACL that allows access between subnet-258bc44d and subnet -248bc44c.
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• #648

  A development team uses multiple AWS accounts for its development, Staging, and production environments Team members have been launching large Amazon EC2 instances that are underutilized. A solutions architect must prevent large instances from being launched in all accounts. How can the solutions architect meet this requirement with the LEAST operational overhead?

  • AUpdate the IAM policies to deny the launch of large EC2 instances. Apply the policies to all users
  • BDefine a resource in AWS Resource Access Manager that prevents the launch of large EC2 instances.
  • CCreate an IAM role in each account that denies the launch of large EC2 instances. Grant the developers IAM group access to the role.
  • DCreate an orgainization in AWS Organizations in the managment account with the default policy. Create a Service control prolicy that denies the launch of large EC2 instances and apply to all aws accounts.
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• #649

  What is the maximum key length of a tag?

  • A512 Unicode characters.
  • B64 Unicode characters.
  • C256 Unicode characters.
  • D128 Unicode characters.
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• #650

  You are setting up your first Amazon Virtual Private Cloud (Amazon VPC) network so you decide you should probably use the AWS Management Console and the VPC Wizard. Which of the following is not an option for network architectures after launching the 'Start VPC Wizard' in Amazon VPC page on the AWS Management Console?

  • AVPC with a Single Public Subnet Only.
  • BVPC with a Public Subnet Only and Hardware VPN Access.
  • CVPC with Public and Private Subnets and Hardware VPN Access.
  • DVPC with a Private Subnet Only and Hardware VPN Access.
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• #651

  You have a number of image files to encode. In an Amazon SQS worker queue, you create an Amazon SQS message for each file specifying the command (jpeg-encode) and the location of the file in Amazon S3. Which of the following statements best describes the functionality of Amazon SQS?

  • AAmazon SQS is a distributed queuing system that is optimized for horizontal scalability, not for single-threaded sending or receiving speeds.
  • BAmazon SQS is for single-threaded sending or receiving speeds.
  • CAmazon SQS is a non-distributed queuing system.
  • DAmazon SQS is a distributed queuing system that is optimized for vertical scalability and for single-threaded sending or receiving speeds.
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• #652

  Without [...] you must either create multiple AWS accounts-each with its own billing and subscriptions to AWS products-or your employees must share the security credentials of a single AWS account.

  • AAmazon RDS.
  • BAmazon Glacier.
  • CAmazon EMR.
  • DAmazon IAM.
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• #653

  A company is storing backup files by using Amazon S3 Standard storage. The files are accessed frequently for 1 month. However, the files are not accessed after 1 month. The company must keep the files indefinitely. Which storage solution will meet these requirements MOST cost-effectively?

  • AConfigure S3 Intelligent-Tiering to automatically migrate objects.
  • BCreate an S3 Lifecycle configuration to transition objects from S3 Standard to S3 Glacier Deep Archive after 1 month.
  • CCreate an S3 Lifecycle configuration to transition objects from S3 Standard to S3 Standard-Infrequent Access (S3 Standard-IA) after 1 month.
  • DCreate an S3 Lifecycle configuration to transition objects from S3 Standard to S3 One Zone-Infrequent Access (S3 One Zone-IA) after 1 month.
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• #654

  Can I test my DB Instance against a new version before upgrading?

  • AYes.
  • BNo.
  • COnly in VPC.
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• #655

  A company is running a multi-tier web application on AWS. The application runs its database tier on Amazon Aurora MySQL. The application and database tiers are in the us-east-1 Region. A database administrator who regularly monitors the Aurora DB cluster finds that an intermittent increase in read traffic is creating high CPU utilization on the read replica and causing increased read latency of the application. What should a solutions architect do to improve read scalability?

  • AReboot the Aurora DB cluster.
  • BCreate a cross-Region read replica
  • CIncrease the instance class of the read replica.
  • DConfigure Aurora Auto Scaling for the read replica.
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• #6562 चुनें

  Which of the following are characteristics of Amazon VPC subnets? (Choose 2 answers)

  • AEach subnet spans at least 2 Availability Zones to provide a high-availability environment.
  • BEach subnet maps to a single Availability Zone.
  • CCIDR block mask of/25 is the smallest range supported.
  • DBy default, all subnets can route between each other, whether they are private or public.
  • EInstances in a private subnet can communicate with the Internet only if they have an Elastic IP.
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• #657

  What happens to data on an ephemeral volume of an EBS-backed EC2 instance if it is terminated or if it fails?

  • AData is automatically copied to another volume.
  • BThe volume snapshot is saved in S3.
  • CData persists.
  • DData is deleted.
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• #658

  A customer wants to leverage Amazon Simple Storage Service (S3) and Amazon Glacier as part of their backup and archive infrastructure. The customer plans to use third-party software to support this integration. Which approach will limit the access of the third party software to only the Amazon S3 bucket named 'company-backup'?

  • AA custom bucket policy limited to the Amazon S3 API in the Amazon Glacier archive 'company backup'.
  • BA custom bucket policy limited to the Amazon S3 API in 'company-backup'.
  • CA custom IAM user policy limited to the Amazon S3 API for the Amazon Glacier archive 'company backup'.
  • DA custom IAM user policy limited to the Amazon S3 API in 'company-backup'.
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• #659

  Identify a true statement about the On-Demand instances purchasing option provided by Amazon EC2.

  • APay for the instances that you use by the hour, with no long-term commitments or up-front payments.
  • BMake a low, one-time, up-front payment for an instance, reserve it for a one- or three-year term, and pay a significantly lower hourly rate for these instances.
  • CPay for the instances that you use by the hour, with long-term commitments or up-front payments.
  • DMake a high, one-time, all-front payment for an instance, reserve it for a one- or three-year term, and pay a significantly higher hourly rate for these instances.
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• #660

  Which of the following statements best describes the differences between Elastic Beanstalk and CloudFormation?

  • AElastic Beanstalk uses Elastic load balancing and CloudFormation doesn't.
  • BCloudFormation is faster in deploying applications than Elastic Beanstalk.
  • CElastic Beanstalk is faster in deploying applications than CloudFormation.
  • DCloudFormation is much more powerful than Elastic Beanstalk, because you can actually design and script custom resources.
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