AWS Lambda与DynamoDB：应对突发流量的理想选择

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B.Enable Amazon S3 Intelligent-Tiering.

C.Enable an Amazon S3 lifecycle policy

D.Enable Amazon S3 cross-Region replication.

正确答案 A

解析:

Object versioning is a means of keeping multiple variants of an object

in the same Amazon S3 bucket. Versioning provides the ability to recover

from both unintended user actions and application failures. You can use

versioning to preserve, retrieve, and restore every version of every

object stored in your Amazon S3 bucket.CORRECT: "Enable Amazon S3

versioning" is the correct answer. INCORRECT: "Enable Amazon S3

Intelligent-Tiering" is incorrect. This is a storage class that

automatically moves data between frequent access and infrequent access

classes based on usage patterns.INCORRECT: "Enable an Amazon S3

lifecycle policy" is incorrect. An S3 lifecycle policy is a set of rules

that define actions that apply to groups of S3 objects such as

transitioning objects to another storage class.INCORRECT: "Enable Amazon

S3 cross-Region replication" is incorrect as this is used to copy

objects to different regions. CRR relies on versioning which is the

feature that is required for protecting against accidental

deletion.References:https://d0.awsstatic.com/whitepapers/protecting-s3-

against-object-deletion.pdf Save time with our exam-specific cheat

sheets:https://digitalcloud.training/certification-training/aws-

solutions-architect- associate/storage/amazon-s3/

Q14. A company is managing health records on-premises.The company must

keep these records indefinitely, disable any modifications to the

records once they are stored, and granularly audit access at all levels.

The chief technology officer (CTO) is concerned because there are

already millions of records not being used by any application, and the

current infrastructure is running out of space. The CTO has requested a

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solutions architect design a solution to move existing data and support

future records.Which services can the solutions architect recommend to

meet these requirements'?

A.Use AWS DataSync to move existing data to AWS.Use Amazon S3 to store

existing and new data.Enable Amazon S3 object lock and enable AWS

CloudTrail with data events.

B.Use AWS Storage Gateway to move existing data to AWS.Use Amazon S3 to

store existing and new data.Enable Amazon S3 object lock and enable AWS

CloudTrail with management events.

C.Use AWS DataSync to move existing data to AWS.Use Amazon S3 to store

existing and new data.Enable Amazon S3 object lock and enable AWS

CloudTrail with management events.

D.Use AWS Storage Gateway to move existing data to AWS.Use Amazon

Elastic Block Store (Amazon EBS) to store existing and new data.Enable

Amazon S3 object lock and enable Amazon S3 server access logging.

正确答案 A

解析:

原始答案 B,现更正为 AKeyword: Move existing data and support future

records + Granular audit access at all levelsUse AWS DataSync to migrate

existing data to Amazon S3, and then use the File Gateway configuration

of AWS Storage Gateway to retain access to the migrated data and for

ongoing updates from your on-premises file-based applications.Need a

solution to move existing data and support future records = AWS DataSync

should be used for migration.Need granular audit access at all levels =

Data Events should be used in CloudTrail, Management Events is enabled

by default.CORRECT: "Use AWS DataSync to move existing data to AWS. Use

Amazon S3 to store existing and new data. Enable Amazon S3 object lock

and enable AWS CloudTrail with data events" is the correct

answer.INCORRECT: "Use AWS Storage Gateway to move existing data to AWS.

Use Amazon S3 to store existing and new data. Enable Amazon S3 object

lock and enable AWS CloudTrail with management events" is incorrect as

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"current infrastructure is running out of space" INCORRECT: "Use AWS

DataSync to move existing data to AWS. Use Amazon S3 to store existing

and new data. Enable Amazon S3 object lock and enable AWS CloudTrail

with management events." is incorrect as "Management Events is enabled

by default" INCORRECT: "Use AWS Storage Gateway to move existing data to

AWS. Use Amazon Elastic Block Store (Amazon EBS) to store existing and

new data. Enable Amazon S3 object lock and enable Amazon S3 server

access logging." is incorrect as "current infrastructure is running out

of space"How AWS DataSync WorksHow AWS CloudTrail

worksReferences:https://aws.amazon.com/datasync/?whats-new-cards.sort-

by=item.additionalFields.postDateTime&whats-new-cards.sort-order=desc

https://aws.amazon.com/cloudtrail/https://aws.amazon.com/storagegateway/

?whats-new-cards.sort- by=item.additionalFields.postDateTime&whats-new-

cards.sort-order=descSave time with our exam-specific cheat

sheets:https://digitalcloud.training/certification-training/aws-

solutions-architect- associate/storage/amazon-s3/

Q15. A company currently operates a web application backed by an Amazon

RDS MySQL database. It has automated backups that are run daily and are

not encrypted. A security audit requires future backups to be encrypted

and the unencrypted backups to be destroyed.The company will make at

least one encrypted backup before destroying the old backups What should

be done to enable encryption for future backups?

A.Enable default encryption for the Amazon S3 bucket where backups are

stored

B.Modify the backup section of the database configuration to toggle the

Enable encryption check box.

C.Create a snapshot of the database.Copy it to an encrypted

snapshot.Restore the database from the encrypted snapshot.

D.Enable an encrypted read replica on RDS for MySQL.Promote the

encrypted read replica to primary.Remove the original database instance.

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AWS Lambda与DynamoDB：应对突发流量的理想选择

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