Amazon AWS-CERTIFIED-DEVELOPER-ASSOCIATE Dumps PDF | RealExamDumps

Question No 1 

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

A. Triple DES
B. Advanced Encryption Standard
C. Blowfish
D. RC5

Answer: B


Question No 2 

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
B. instanceID_log-HH-DD-MM-YYYY
C. instanceID_log-YYYY-MM-DD-HH
D. HH-DD-MM-YYYY-log_instanceID
E. YYYY-MM-DD-HH-log_instanceID

Answer: D


Question No 3 

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
B. myawsbucket.s3-website-ap-northeast-1.amazonawscom
C. myawsbucket.amazonaws.com
D. myawsbucket.tokyo.amazonaws.com

Answer: B


Question No 4 

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
B. Delete items individually over a 24 hour period
C. Delete the table and create a new table per hour
D. Create a new table per hour

Answer: C


Question No 5 

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.
B. Use instance storage to save session state.
C. Use EBS to save session state
D. Use ElastiCache to save session state.
E. Use Glacier to save session slate.

Answer: D


Question No 6 

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
B. Remove public read access and use signed URLs with expiry dates.
C. Use CloudFront distributions for static content.
D. Block the IPs of the offending websites in Security Groups.

Answer: B


Question No 7 

Which statements about DynamoDB are true? Choose 2 answers

A. DynamoDB uses a pessimistic locking model
B. DynamoDB uses optimistic concurrency control
C. DynamoDB uses conditional writes for consistency
D. DynamoDB restricts item access during reads
E. DynamoDB restricts item access during writes

Answer: B, C


Question No 8 

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. Bulk upload the device tokens contained in a CSV file via the AWS Management Console.
B. Let the push notification service (e.g. Amazon Device Messaging) handle the registration.
C. Implement a token vending service to handle the registration.
D. Call the CreatePlatformEndPoint API function to register multiple device tokens.

Answer: D


Question No 9 

Which of the following services are included at no additional cost with the use of the AWS platform? Choose 2 answers

A. Simple Storage Service
B. Elastic Compute Cloud
C. Auto Scaling
D. Elastic Load Balancing
E. CloudFormation
F. Simple Workflow Service

Answer: C, E


Question No 10 

What AWS products and features can be deployed by Elastic Beanstalk? Choose 3 answers

A. Auto scaling groups B. Route 53 hosted zones
C. Elastic Load Balancers D. RDS Instances
E. Elastic IP addresses
F. SQS Queues

Answer: A, C, D