BDS-C00 시험 - Amazon실제시험문제와 답 - 264문항

Question No : 1

Do the Amazon EBS volumes persist independently from the running life of an Amazon EC2 instance?

A.No
B.Only if instructed to when created
C.Yes

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Question No : 2

An administrator tries to use the Amazon Machine Learning service to classify social media posts that mention the administrator’s company into posts that requires a response and posts that do not. The training dataset of 10,000 posts contains the details of each post including the timestamp, author, and full text of the post. The administrator is missing the target labels that are required for training.
Which Amazon Machine Learning model is the most appropriate for the task?

A.Unary classification model, where the target class is the require-response post
B.Binary classification model, where the two classes are require-response and does-not-require- response
C.Multi-class prediction model, with two classes require-response and does-not-require response
D.Regression model where the predicted value is the probability that the post requires a response

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Question No : 3

In AWS, which security aspects are the customer’s responsibility? Choose 4 answers

A.Life-Cycle management of IAM credentials
B.Security Group and ACL settings
C.Controlling physical access to compute resources
D.Path management on the EC2 instance’s operating system
E.Encryption of EBS volumes
F.Decommissioning storage devices

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Question No : 4

Which two AWS services provide out-of-the-box user configurable automatic backup-as-a-service and backup rotation options? Choose 2 answers

A.Amazon S3
B.Amazon RDS
C.Amazon EBS
D.Amazon Redshift

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Question No : 5

An organization would like to run analytics on their Elastic Load Balancing logs stored in Amazon S3 and join this data with other tables in Amazon S3. The users are currently using a BI tool connecting with JDBC and would like to keep using this BI tool.
Which solution would result in the LEAST operational overhead?

A.Trigger a Lambda function when a new log file is added to the bucket to transform and load it into Amazon Redshift. Run the VACUUM command on the Amazon Redshift cluster every night.
B.Launch a long-running Amazon EMR cluster that continuously downloads and transforms new files from Amazon S3 into its HDFS storage. Use Presto to expose the data through JDB
C.Trigger a Lambda function when a new log file is added to the bucket to transform and move it to another bucket with an optimized data structure. Use Amazon Athena to query the optimized bucket.
D.Launch a transient Amazon EMR cluster every night that transforms new log files and loads them into Amazon Redshift.

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Question No : 6

Because of the extensibility limitations of striped storage attached to Windows Server, Amazon RDS does not currently support increasing storage on a _____ DB Instance.

A.SQL Server
B.MySQL
C.Oracle

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Question No : 7

A user is trying to setup a recurring Auto Scaling process. The user has setup one process to scale up every day at 8 am and scale down at 7 PM. The user is trying to setup another recurring process which scales up on the 1st of every month at 8 AM and scales down the same day at 7 PM.
What will Auto Scaling do in this scenario?

A.Auto Scaling will execute both processes but will add just one instance on the 1st
B.Auto Scaling will add two instances on the 1st of the month
C.Auto Scaling will schedule both the processes but execute only one process randomly
D.Auto Scaling will throw an error since there is a conflict in the schedule of two separate Auto Scaling Processes

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Question No : 8

A data engineer chooses Amazon DynamoDB as a data store for a regulated application. This application must be submitted to regulators for review. The data engineer needs to provide a control framework that lists the security controls from the process to follow to add new users down to the physical controls of the data center, including items like security guards and cameras.
How should this control mapping be a achieved using AWS?

A.Request AWS third-party audit reports and/or the AWS quality addendum and map the AWS responsibilities to the controls that must be provided
B.Request data center Temporary Auditor access to an AWS data center to verify the control mapping
C.Request relevant SLAs and security guidelines for Amazon DynamoDB and define these guidelines within the application’s architecture to map to the control framework
D.Request Amazon DynamoDB system architecture designs to determine how to map the AWS responsibilities to the controls that must be provided

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Question No : 9

Is there a limit to the number of groups you can have?

A.Yes for all users except root
B.No
C.Yes unless special permission granted
D.Yes for all users

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Question No : 10

What happens to the I/O operations while you take a database snapshot?

A.I/O operations to the database are suspended for an hour while the backup is in progress.
B.I/O operations to the database are sent to a Replica (if available) for a few minutes while the backup is in progress.
C.I/O operations will be functioning normally
D.I/O operations to the database are suspended for a few minutes while the backup is in progress.

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Question No : 11

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?

A.You will need to delete the Read Replica and create a new one to replace it.
B.You will need to disassociate the DB Engine and re associate it.
C.The instance should be deployed to Single AZ and then moved to Multi- AZ once again
D.You will need to delete the DB Instance and create a new one to replace it.

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Question No : 12

Within the IAM service a GROUP is regarded as a:

A.A collection of AWS accounts
B.It's the group of EC2 machines that gain the permissions specified in the GROU
C.There's no GROUP in IAM, but only USERS and RESOURCE
D.A collection of users.

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Question No : 13

A company operates an international business served from a single AWS region. The company wants to expand into a new country. The regulator for that country requires the Data Architect to maintain a log of financial transactions in the country within 24 hours of production transaction. The production application is latency insensitive. The new country contains another AWS region.
What is the most cost-effective way to meet this requirement?

A.Use CloudFormation to replicate the production application to the new region
B.Use Amazon CloudFront to serve application content locally in the country; Amazon CloudFront logs will satisfy the requirement
C.Continue to serve customers from the existing region while using Amazon Kinesis to stream transaction data to the regulator
D.Use Amazon S3 cross-region replication to copy and persist production transaction logs to a budget the new country’s region

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Explanation:
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/AccessLogs.html

Question No : 14

Can I attach more than one policy to a particular entity?

A.Yes always
B.Only if within GovCloud
C.No
D.Only if within VPC

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Question No : 15

You have started a new job and are reviewing your company's infrastructure on AWS You notice one web application where they have an Elastic Load Balancer (&B) in front of web instances in an Auto Scaling Group When you check the metrics for the ELB in CloudWatch you see four healthy instances in Availability Zone (AZ) A and zero in AZ B There are zero unhealthy instances.
What do you need to fix to balance the instances across AZs?

A.Set the ELB to only be attached to another AZ
B.Make sure Auto Scaling is configured to launch in both AZs
C.Make sure your AMI is available in both AZs
D.Make sure the maximum size of the Auto Scaling Group is greater than 4

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Amazon BDS-C00 시험