AWS-Certified-Big-Data-Specialty Free Practice Test

A company is preparing to give AWS Management Console access to developers. Company policy
mandates identity federation and role based access control. Roles are currently assigned using groups in the corporate Active Directory. What combination of the following will give developers access to the AWS console? Choose 2 answers

1. A. AWS Directory Service AD connector
2. B. AWS Directory Service Simple AD
3. C. AWS identity and Access Management groups
4. D. AWS identity and Access Management roles
5. E. AWS identity and Access Management users

Correct Answer: AD

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?

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

Correct Answer: B

An online photo album app has a key design feature to support multiple screens (e.g. desktop,
mobile phone, and tablet) with high quality displays. Multiple versions of the image must be saved in different resolutions and layouts.
The image processing Java program takes an average of five seconds per upload, depending on the image size and format. Each image upload captures the following image metadata: user, album, photo label, upload timestamp
The app should support the following requirements:
• Hundreds of user image uploads per second
• Maximum image metadata size of 10 MB
• Maximum image metadata size of 1 KB
• Image displayed in optimized resolution in all supported screens no later than one minute after image upload
Which strategy should be used to meet these requirements?

1. A. Write images and metadata to Amazon Kinesis, Use a Kinesis Client Library (KCL) application torun the image processing and save the image output to Amazon S3 and metadata to the app repository DB
2. B. Write image and metadata RDS with BLOB data typ
3. C. Use AWS Data Pipeline to run the image processing and save the image output to Amazon S3 and metadata to the app repository DB
4. D. Upload image with metadata to Amazon S3 use Lambda function to run the image processing and save the image output to Amazon S3 and metadata to the app repository DB
5. E. Write image and metadata to Amazon kinesi
6. F. Use Amazon Elastic MapReduce (EMR) with Spark Streaming to run image processing and save image output to Amazon

Correct Answer: D

When you put objects in Amazon 53, what is the indication that an object was successfully stored?

1. A. A HTTP 200 result code and MD5 checksum, taken together, indicate that the operation was successful
2. B. A success code is inserted into the S3 object metadata
3. C. Amazon S3 is engineered for 99.999999999% durabilit
4. D. Therefore there is no need to confirm that data was inserted.
5. E. Each S3 account has a special bucket named_ s3_log
6. F. Success codes are written to this bucket with a timestamp and checksum

Correct Answer: A

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

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

Correct Answer: ABDE