1. A company is looking to implement an automated document processing system using Amazon Textract. They want to extract tables from scanned documents and integrate the extracted data with a database. Which of the following services can be used to achieve this goal?

A) Amazon Rekognition
B) Amazon Lex
C) Amazon Comprehend
D) Amazon Aurora
E) Amazon S3


2. You are working on a security compliance project and need to monitor and audit all S3 bucket activities within your AWS account. Which of the following statements about AWS CloudTrail is true?

A) AWS CloudTrail can monitor and audit S3 bucket activities performed by AWS Identity and Access Management (IAM) users and roles.
B) AWS CloudTrail only logs S3 bucket activities for a maximum of 30 days.
C) AWS CloudTrail can only monitor S3 bucket activities for a single region at a time.
D) AWS CloudTrail only provides S3 object-level logging, not bucket-level logging.



3. What is the difference between transfer learning and multi-task learning in deep learning?

A) Transfer learning and multi-task learning are the same thing, and can be used interchangeably.
B) Transfer learning and multi-task learning are both deprecated techniques in modern deep learning.
C) Transfer learning involves training a model on multiple related tasks simultaneously, while multi-task learning involves fine-tuning a pre-trained model on a new task.
D) Transfer learning involves fine-tuning a pre-trained model on a new task, while multi-task learning involves training a model on multiple related tasks simultaneously.



4. You are working on a project that involves analyzing and visualizing customer data from multiple sources, including transaction records, social media interactions, and web logs. You want to create a centralized data repository that can store and process the data and provide real-time visualization capabilities. Which of the following AWS services would you use for this purpose?

A) Amazon Elasticsearch
B) AWS Glue
C) Amazon Elastic MapReduce (EMR)
D) Amazon Redshift
E) Amazon DynamoDB


5. Which of the following is NOT a feature of Amazon Polly?

A) Custom Lexicons
B) Neural Text-to-Speech
C) Image and Video Recognition
D) Speech Synthesis Markup Language (SSML)
E) Real-time Streaming