[2021-New] Amazon AWS-Solution-Architect-Associate Dumps With Update Exam Questions (41-50)

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Q1. What happens when you create a topic on Amazon SNS?

A. The topic is created, and it has the name you specified for it.

B. An ARN (Amazon Resource Name) is created.

C. You can create a topic on Amazon SQS, not on Amazon SNS.

D. This QUESTION doesn't make sense.

Answer: B

Q2. A user is observing the EC2 CPU utilization metric on CIoudWatch. The user has observed some interesting patterns while filtering over the 1 week period for a particular hour. The user wants to zoom that data point to a more granular period. How can the user do that easily with CIoudWatch?

A. The user can zoom a particular period by selecting that period with the mouse and then releasing the mouse

B. The user can zoom a particular period by specifying the aggregation data for that period

C. The user can zoom a particular period by double clicking on that period with the mouse

D. The user can zoom a particular period by specifying the period in the Time Range

Answer: A

Explanation:

Amazon CIoudWatch provides the functionality to graph the metric data generated either by the AWS services or the custom metric to make it easier for the user to analyse. The AWS CIoudWatch console provides the option to change the granularity of a graph and zoom in to see data over a shorter time period. To zoom, the user has to click in the graph details pane, drag on the graph area for selection, and then release the mouse button.

Reference: http://docs.aws.amazon.com/AmazonCloudWatch/Iatest/Deve|operGuide/zoom_in_on_graph.htmI

Q3. True or False: Without IAM, you cannot control the tasks a particular user or system can do and what AWS resources they might use.

A. FALSE

B. TRUE

Answer: A

Q4. Which one of the following can't be used as an origin server with Amazon CIoudFront?

A. A web server running in your infrastructure

B. Amazon S3

C. Amazon Glacier

D. A web server running on Amazon EC2 instances

Answer: C

Explanation:

Amazon CIoudFront is designed to work with Amazon S3 as your origin server, customers can also use Amazon C|oudFront with origin sewers running on Amazon EC2 instances or with any other custom origin.

Reference: http://docs.aws.amazon.com/AmazonCIoudFront/latest/DeveIoperGuide/distribution-web.html

Q5. Your organization is in the business of architecting complex transactional databases. For a variety of reasons, this has been done on EBS. What is AWS's recommendation for customers who have architected databases using EBS for backups?

A. Backups to Amazon S3 be performed through the database management system.

B. Backups to AWS Storage Gateway be performed through the database management system.

C. If you take regular snapshots no further backups are required.

D. Backups to Amazon Glacier be performed through the database management system.

Answer: A

Explanation:

Data stored in Amazon EBS volumes is redundantly stored in multiple physical locations as part of normal operation of those services and at no additional charge.

However, Amazon EBS replication is stored within the same availability zone, not across multiple zones; therefore, it is highly recommended that you conduct regular snapshots to Amazon S3 for long-term data durability.

For customers who have architected complex transactional databases using EBS, it is recommended that backups to Amazon S3 be performed through the database management system so that distributed transactions and logs can be checkpointed.

AWS does not perform backups of data that are maintained on virtual disks attached to running instances on Amazon EC2.

Reference: http://d0.awsstatic.com/whitepapers/Security/AWS%20Security%20Whitepaper.pdf

Q6. What is the Reduced Redundancy option in Amazon 53?

A. Less redundancy for a lower cost.

B. It doesn't exist in Amazon 53, but in Amazon EBS.

C. It allows you to destroy any copy of your files outside a specific jurisdiction.

D. It doesn't exist at all

Answer: A

Q7. A user has created photo editing software and hosted it on EC2. The software accepts requests from the user about the photo format and resolution and sends a message to S3 to enhance the picture accordingly. Which of the below mentioned AWS services will help make a scalable software with the AWS infrastructure in this scenario?

A. AWS Simple Notification Service

B. AWS Simple Queue Service

C. AWS Elastic Transcoder

D. AWS Glacier

Answer: B

Explanation:

Amazon Simple Queue Service (SQS) is a fast, reliable, scalable, and fully managed message queuing service. SQS provides a simple and cost-effective way to decouple the components of an application. The user can configure SQS, which will decouple the call between the EC2 application and S3. Thus, the application does not keep waiting for S3 to provide the data.

Reference: http://aws.amazon.com/sqs/faqs/

Q8. If I have multiple Read Replicas for my master DB Instance and I promote one of them, what happens to the rest of the Read Replicas?

A. The remaining Read Replicas will still replicate from the older master DB Instance

B. The remaining Read Replicas will be deleted

C. The remaining Read Replicas will be combined to one read replica

Answer: A

Q9. Your company currently has a 2-tier web application running in an on-premises data center. You have experienced several infrastructure failures in the past two months resu Iting in significant financial losses. Your CIO is strongly agreeing to move the application to AWS. While working on achieving buy-in from the other company executives, he asks you to develop a disaster recovery plan to help improve Business continuity in the short term. He specifies a target Recovery Time Objective (RTO) of 4 hours and a Recovery Point Objective (RPO) of 1 hour or less. He also asks you to implement the solution within 2 weeks. Your database is 200GB in size and you have a 20Mbps Internet connection.

How would you do this while minimizing costs?

A. Create an EBS backed private AMI which includes a fresh install of your application. Develop a CIoudFormation template which includes your AMI and the required EC2, AutoScaIing, and ELB resources to support deploying the application across Multiple- Availability-Zones. Asynchronously replicate transactions from your on-premises database to a database instance in AWS across a secure VPN connection.

B. Deploy your application on EC2 instances within an Auto Scaling group across multiple availability zones. Asynchronously replicate transactions from your on-premises database to a database instance in AWS across a secure VPN connection.

C. Create an EBS backed private AMI which includes a fresh install of your application. Setup a script in your data center to backup the local database every 1 hour and to encrypt and copy the resulting file to an 53 bucket using multi-part upload.

D. Install your application on a compute-optimized EC2 instance capable of supporting the application 's average load. Synchronously replicate transactions from your on-premises database to a database instance in AWS across a secure Direct Connect connection.

Answer: A

Explanation:

Overview of Creating Amazon EBS-Backed AMIs

First, launch an instance from an AMI that's similar to the AMI that you'd like to create. You can connect to your instance and customize it. When the instance is configured correctly, ensure data integrity by

stopping the instance before you create an AMI, then create the image. When you create an Amazon EBS-backed AMI, we automatically register it for you.

Amazon EC2 powers down the instance before creating the AMI to ensure that everything on the instance is stopped and in a consistent state during the creation process. If you're confident that your instance is in a consistent state appropriate for AMI creation, you can tell Amazon EC2 not to power down and reboot the instance. Some file systems, such as XFS, can freeze and unfreeze actMty, making it safe to create the image without rebooting the instance.

During the AMI-creation process, Amazon EC2 creates snapshots of your instance's root volume and any other EBS volumes attached to your instance. If any volumes attached to the instance are encrypted, the new AMI only launches successfully on instances that support Amazon EBS encryption. For more information, see Amazon EBS Encryption.

Depending on the size of the volumes, it can take several minutes for the AMI-creation process to complete (sometimes up to 24 hours).You may find it more efficient to create snapshots of your volumes prior to creating your AMI. This way, only small, incremental snapshots need to be created when the AMI is created, and the process completes more quickly (the total time for snapshot creation remains the same). For more information, see Creating an Amazon EBS Snapshot.

After the process completes, you have a new AMI and snapshot created from the root volume of the instance. When you launch an instance using the new AMI, we create a new EBS volume for its root volume using the snapshot. Both the AMI and the snapshot incur charges to your account until you delete them. For more information, see Deregistering Your AMI.

If you add instance-store volumes or EBS volumes to your instance in addition to the root device volume, the block device mapping for the new AMI contains information for these volumes, and the block device mappings for instances that you launch from the new AMI automatically contain information for these volumes. The instance-store volumes specified in the block device mapping for the new instance are new and don't contain any data from the instance store volumes of the instance you used to create the AMI. The data on EBS volumes persists. For more information, see Block Device Mapping.

Q10. Can I delete a snapshot of the root device of an EBS volume used by a registered AMI?

A. Only via API

B. Only via Console

C. Yes

D. No

Answer: C