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You are writing to a DynamoDB table and receive the following exception:" ProvisionedThroughputExceededException". though according to your Cloudwatch metrics for the table, you are not exceeding your provisioned throughput. What could be an explanation for this?
You are providing AWS consulting services for a company developing a new mobile application that will be leveraging Amazon SNS Mobile Push for push notifications. In order to send direct notification messages to individual devices each device registration identifier or token needs to be registered with SNS; however the developers are not sure of the best way to do this. You advise them to:
A developer runs an application that uses an Amazon API Gateway REST API. The developer needs to implement a solution to proactively monitor the health of both API responses and latencies in case a deployment causes a service disruption despite passing deployment pipeline tests. The solution also must check for endpoint vulnerability and unauthorized changes to APIs. URLs, and website content. Which solution will meet these requirements?
Which of the following are correct statements with policy evaluation logic in AWS Identity and Access Management? Choose 2 answers
A company is migrating a web application from on premises to AWS. The company needs to move session storage from the application code to a shared service as part of the migration. The session storage data must be encrypted at rest. Which AWS services meet these requirements? (Choose two.)
During non-peak hours, a Developer wants to minimize the execution time of a full Amazon DynamoDB table scan without affecting normal workloads. The workloads average half of the strongly consistent read capacity units during non-peak hours. How would the Developer optimize this scan?
An application stores payroll information nightly in DynamoDB for a large number of employees across hundreds of offices. Item attributes consist of individual name, office identifier, and cumulative daily hours. Managers run reports for ranges of names working in their office. One query is. "Return all Items in this office for names starting with A through E". Which table configuration will result in the lowest impact on provisioned throughput for this query?
A developer has written the following 1AM policy to provide access to an Amazon S3 bucket: Which access does the policy allow regarding the s3:GetObject and s3:PutObject actions'?
Games-R-Us is launching a new game app for mobile devices. Users will log into the game using their existing Facebook account and the game will record player data and scoring information directly to a DynamoDB table. What is the most secure approach for signing requests to the DynamoDB API?
A developer is integrating Amazon ElastiCache in an application. The cache will store data from a database. The cached data must populate real-time dashboards. Which caching strategy will meet these requirements?

Question 1

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Company C is currently hosting their corporate site in an Amazon S3 bucket with Static Website Hosting enabled. Currently, when visitors go to http://www.companyc.com the index.html page is returned. Company C now would like a new page welcome.html to be returned when a visitor enters http://www.companyc.com in the browser.

Which of the following steps will allow Company C to meet this requirement? Choose 2 answers

A.
Upload an html page named welcome.html to their S3 bucket
A.
Upload an html page named welcome.html to their S3 bucket
Answers
B.
Create a welcome subfolder in their S3 bucket
B.
Create a welcome subfolder in their S3 bucket
Answers
C.
Set the Index Document property to welcome.html
C.
Set the Index Document property to welcome.html
Answers
D.
Move the index.html page to a welcome subfolder
D.
Move the index.html page to a welcome subfolder
Answers
E.
Set the Error Document property to welcome.html
E.
Set the Error Document property to welcome.html
Answers
Suggested answer: A, C

Explanation:

https://docs.aws.amazon.com/AmazonS3/latest/dev/WebsiteHosting.html

https://docs.aws.amazon.com/AmazonS3/latest/dev/HostingWebsiteOnS3Setup.html

Question 2

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What type of block cipher does Amazon S3 offer for server side encryption?

A.
Triple DES
A.
Triple DES
Answers
B.
Advanced Encryption Standard
B.
Advanced Encryption Standard
Answers
C.
Blowfish
C.
Blowfish
Answers
D.
RC5
D.
RC5
Answers
Suggested answer: B

Explanation:

https://docs.aws.amazon.com/AmazonS3/latest/dev/serv-side-encryption.html

Question 3

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If an application is storing hourly log files from thousands of instances from a high traffic web site, which naming scheme would give optimal performance on S3?

A.
Sequential
A.
Sequential
Answers
B.
instanceID_log-HH-DD-MM-YYYY
B.
instanceID_log-HH-DD-MM-YYYY
Answers
C.
instanceID_log-YYYY-MM-DD-HH
C.
instanceID_log-YYYY-MM-DD-HH
Answers
D.
HH-DD-MM-YYYY-log_instanceID
D.
HH-DD-MM-YYYY-log_instanceID
Answers
E.
YYYY-MM-DD-HH-log_instanceID
E.
YYYY-MM-DD-HH-log_instanceID
Answers
Suggested answer: B

Explanation:

Reference: https://acloud.guru/forums/aws-certified-developer-associate/discussion/-KU2dEtJb-LI5lSbH_S4/if-an-application-is-storing-hourly-log-files-from-thousands-of-instances-from-a

Question 4

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Which of the following statements about SQS is true?

A.
Messages will be delivered exactly once and messages will be delivered in First in, First out order
A.
Messages will be delivered exactly once and messages will be delivered in First in, First out order
Answers
B.
Messages will be delivered exactly once and message delivery order is indeterminate
B.
Messages will be delivered exactly once and message delivery order is indeterminate
Answers
C.
Messages will be delivered one or more times and messages will be delivered in First in, First out order
C.
Messages will be delivered one or more times and messages will be delivered in First in, First out order
Answers
D.
Messages will be delivered one or more times and message delivery order is indeterminate
D.
Messages will be delivered one or more times and message delivery order is indeterminate
Answers
Suggested answer: D

Explanation:

https://aws.amazon.com/sqs/features/

Question 5

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A corporate web application is deployed within an Amazon VPC, and is connected to the corporate data center via IPSec VPN. The application must authenticate against the on-premise LDAP server. Once authenticated, logged-in users can only access an S3 keyspace specific to the user.

Which two approaches can satisfy the objectives? Choose 2 answers

A.
The application authenticates against LDAP. The application then calls the IAM Security Service to login to IAM using the LDAP credentials. The application can use the IAM temporary credentials to access the appropriate S3 bucket.
A.
The application authenticates against LDAP. The application then calls the IAM Security Service to login to IAM using the LDAP credentials. The application can use the IAM temporary credentials to access the appropriate S3 bucket.
Answers
B.
The application authenticates against LDAP, and retrieves the name of an IAM role associated with the user. The application then calls the IAM Security Token Service to assume that IAM Role. The application can use the temporary credentials to access the appropriate S3 bucket.
B.
The application authenticates against LDAP, and retrieves the name of an IAM role associated with the user. The application then calls the IAM Security Token Service to assume that IAM Role. The application can use the temporary credentials to access the appropriate S3 bucket.
Answers
C.
The application authenticates against IAM Security Token Service using the LDAP credentials. The application uses those temporary AWS security credentials to access the appropriate S3 bucket.
C.
The application authenticates against IAM Security Token Service using the LDAP credentials. The application uses those temporary AWS security credentials to access the appropriate S3 bucket.
Answers
D.
Develop an identity broker which authenticates against LDAP, and then calls IAM Security Token Service to get IAM federated user credentials. The application calls the identity broker to get IAM federated user credentials with access to the appropriate S3 bucket.
D.
Develop an identity broker which authenticates against LDAP, and then calls IAM Security Token Service to get IAM federated user credentials. The application calls the identity broker to get IAM federated user credentials with access to the appropriate S3 bucket.
Answers
E.
Develop an identity broker which authenticates against IAM Security Token Service to assume an IAM Role to get temporary AWS security credentials. The application calls the identity broker to get AWS temporary security credentials with access to the appropriate S3 bucket.
E.
Develop an identity broker which authenticates against IAM Security Token Service to assume an IAM Role to get temporary AWS security credentials. The application calls the identity broker to get AWS temporary security credentials with access to the appropriate S3 bucket.
Answers
Suggested answer: B, D

Explanation:

https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html

Question 6

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Company B provides an online image recognition service and utilizes SQS to decouple system components for scalability The SQS consumers poll the imaging queue as often as possible to keep end-to-end throughput as high as possible. However, Company B is realizing that polling in tight loops is burning CPU cycles and increasing costs with empty responses. How can Company B reduce the number of empty responses?

A.
Set the imaging queue visibility Timeout attribute to 20 seconds
A.
Set the imaging queue visibility Timeout attribute to 20 seconds
Answers
B.
Set the Imaging queue ReceiveMessageWaitTimeSeconds attribute to 20 seconds
B.
Set the Imaging queue ReceiveMessageWaitTimeSeconds attribute to 20 seconds
Answers
C.
Set the imaging queue MessageRetentionPeriod attribute to 20 seconds
C.
Set the imaging queue MessageRetentionPeriod attribute to 20 seconds
Answers
D.
Set the DelaySeconds parameter of a message to 20 seconds
D.
Set the DelaySeconds parameter of a message to 20 seconds
Answers
Suggested answer: B

Explanation:

https://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-short-andlong-polling.html

Question 7

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An Amazon S3 bucket, "myawsbucket” is configured with website hosting in Tokyo region, what is the region-specific website endpoint?

A.
www.myawsbucket.ap-northeast-1.amazonaws.com
A.
www.myawsbucket.ap-northeast-1.amazonaws.com
Answers
B.
myawsbucket.s3-website-ap-northeast-1.amazonawscom
B.
myawsbucket.s3-website-ap-northeast-1.amazonawscom
Answers
C.
myawsbucket.amazonaws.com
C.
myawsbucket.amazonaws.com
Answers
D.
myawsbucket.tokyo.amazonaws.com
D.
myawsbucket.tokyo.amazonaws.com
Answers
Suggested answer: B

Explanation:

Depending on your Region, your Amazon S3 website endpoint follows one of these two formats. s3-website dash (-) Region - http://bucket-name.s3-website-Region.amazonaws.com s3-website dot (.) Region - http://bucket-name.s3- website.Region.amazonaws.com

https://docs.aws.amazon.com/AmazonS3/latest/dev/WebsiteEndpoints.html

Question 8

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You are inserting 1000 new items every second in a DynamoDB table. Once an hour these items are analyzed and then are no longer needed. You need to minimize provisioned throughput, storage, and API calls. Given these requirements, what is the most efficient way to manage these Items after the analysis?

A.
Retain the items in a single table
A.
Retain the items in a single table
Answers
B.
Delete items individually over a 24 hour period
B.
Delete items individually over a 24 hour period
Answers
C.
Delete the table and create a new table per hour
C.
Delete the table and create a new table per hour
Answers
D.
Create a new table per hour
D.
Create a new table per hour
Answers
Suggested answer: C

Question 9

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You have written an application that uses the Elastic Load Balancing service to spread traffic to several web servers. Your users complain that they are sometimes forced to login again in the middle of using your application, after they have already logged in. This is not behavior you have designed.

What is a possible solution to prevent this happening?

A.
Use instance memory to save session state.
A.
Use instance memory to save session state.
Answers
B.
Use instance storage to save session state.
B.
Use instance storage to save session state.
Answers
C.
Use EBS to save session state
C.
Use EBS to save session state
Answers
D.
Use ElastiCache to save session state.
D.
Use ElastiCache to save session state.
Answers
E.
Use Glacier to save session slate.
E.
Use Glacier to save session slate.
Answers
Suggested answer: D

Explanation:

https://aws.amazon.com/caching/session-management/

Question 10

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You run an ad-supported photo sharing website using S3 to serve photos to visitors of your site. At some point you find out that other sites have been linking to the photos on your site, causing loss to your business. What is an effective method to mitigate this?

A.
Store photos on an EBS volume of the web server
A.
Store photos on an EBS volume of the web server
Answers
B.
Remove public read access and use signed URLs with expiry dates.
B.
Remove public read access and use signed URLs with expiry dates.
Answers
C.
Use CloudFront distributions for static content.
C.
Use CloudFront distributions for static content.
Answers
D.
Block the IPs of the offending websites in Security Groups.
D.
Block the IPs of the offending websites in Security Groups.
Answers
Suggested answer: B

Explanation:

https://aws.amazon.com/getting-started/projects/building-fast-session-caching-with-amazonelasticache-for-redis/1/

Total 608 questions
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