Amazon AWS

AWS Certified Solutions Architect – Associate

SAA-C03
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The AWS Certified Solutions Architect – Associate (SAA-C03) exam tests your ability to design distributed systems on AWS. It is one of the most sought-after certifications in the cloud domain.

483 questions 0 views Free
Start Mock Test Timed · Full-length · Scored

Questions 351–360 of 483

Q351

You are configuring an RDS instance with Multi-AZ deployment. What happens in case of a primary instance failure?

  • A Automatic failover to standby instance
  • B Manual intervention required
  • C Data lost during failover
  • D Application downtime guaranteed
Explanation Automatic failover ensures high availability without manual intervention.
Q352

A company needs to improve the performance of their database read operations. Which AWS service should they consider implementing?

  • A Amazon ElastiCache
  • B Amazon S3
  • C Amazon RDS
  • D Amazon EC2
Explanation ElastiCache provides in-memory caching to enhance read performance, while S3, RDS, and EC2 do not serve this purpose effectively.
Q353

You are configuring a multi-AZ deployment for your RDS instance. What is the primary benefit of this setup?

  • A Automatic data encryption
  • B Improved database performance
  • C High availability and failover
  • D Cost reduction
Explanation Multi-AZ provides high availability and robust failover, while the other options are not primary benefits.
Q354

What happens when you delete an S3 bucket that is configured with versioning enabled?

  • A All versions are permanently deleted.
  • B Bucket metadata is removed, versions kept.
  • C Only the latest version is deleted.
  • D The bucket remains, but is empty.
Explanation When a versioned bucket is deleted, all versions of the objects in the bucket are permanently removed, contrary to how non-versioned buckets behave.
Q355

Which AWS service is best suited for real-time data streaming?

  • A Amazon Kinesis
  • B AWS Lambda
  • C Amazon S3
  • D Amazon EC2
Explanation Amazon Kinesis is designed for real-time data streaming, while others serve different purposes like compute and storage.
Q356

A company needs a fully managed NoSQL database for high availability and scalability. Which AWS service should they choose?

  • A Amazon Aurora
  • B Amazon DynamoDB
  • C Amazon RDS
  • D Amazon Redshift
Explanation Amazon DynamoDB is a fully managed NoSQL database, while others are relational databases or data warehousing solutions.
Q357

You are configuring an IAM policy to restrict an S3 bucket. What happens if you specify 'Deny' without specifying 'Allow'?

  • A Access is allowed by default
  • B Access is denied
  • C Access requires confirmation
  • D Access not defined
Explanation Explicit 'Deny' policies take precedence over 'Allow', resulting in denied access.
Q358

Which service is best for serverless applications?

  • A Amazon Lambda
  • B Amazon EC2
  • C Amazon RDS
  • D Amazon S3
Explanation Amazon Lambda allows running code without server management; other options involve server management.
Q359

A company needs to sync files between AWS and on-premises. Which service should they use?

  • A AWS DataSync
  • B Amazon FSx
  • C Amazon VPC
  • D AWS Snowball
Explanation AWS DataSync automates data transfer efficiently; the others don't target this specific use case.
Q360

What happens when a security group rule is modified?

  • A Immediate effect, existing connections drop
  • B No effect on existing connections
  • C Reboot required to apply changes
  • D Only inbound rules apply immediately
Explanation Existing connections remain unaffected by changes; the other options misrepresent the behavior of security groups.