What is the difference between SQS Standard and SQS FIFO queues?

FIFO guarantees order and exactly-once delivery, while Standard does not

Standard is faster than FIFO for all use cases

Standard allows only encrypted messages, while FIFO does not

FIFO does not support message visibility timeout

What does enabling EBS Volume Encryption provide?

Data-at-rest encryption and key management integration

What is the best practice for granting permissions to IAM users?

Attach policies directly to users

Grant all permissions by default

What is the primary benefit of DynamoDB's On-Demand capacity mode?

Automatic scaling based on demand

Guaranteed low latency for large-scale operations

Manual management of read/write capacity

High performance at a lower cost

You need to deploy a highly available web application with EC2 instances. Which combination of options ensures fault tolerance and scalability?

Auto Scaling, multiple AZs, Elastic Load Balancer

Spot Instances, single AZ, Auto Scaling

On-Demand Instances, single AZ, Elastic Load Balancer

Reserved Instances, multiple AZs, CloudWatch Alarms

An EC2 instance is running a custom application that requires high disk IOPS. Which storage configuration is most suitable?

General Purpose SSD (gp3) with Provisioned IOPS enabled

A company needs to back up its EBS volumes with minimal impact on performance. Which strategy should be implemented?

Use EBS snapshots during non-peak hours

Use EBS snapshots during peak application usage

Detach the volume before creating a snapshot

Use a RAID configuration for snapshot consistency

What happens to the data on an EBS volume when an EC2 instance is stopped and started?

Data persists and remains accessible

Data is replicated across multiple AZs

You are deploying a production PostgreSQL RDS database. Which configuration offers the highest availability and durability?

Multi-AZ deployment with Read Replicas

Single-AZ deployment with Auto Scaling

Multi-AZ deployment with automatic backups

Single-AZ deployment with frequent snapshots

A developer needs access to an S3 bucket for a temporary task. What is the best way to grant access?

Create an IAM role and assign it with temporary credentials

Attach an inline policy to the user account

Use the root account to grant permissions

Attach a managed policy directly to the user

How can you set up an automatic recovery for an EC2 instance if it becomes impaired?

Configure CloudWatch Alarm actions to recover the instance

Use CloudWatch Alarms with Auto Scaling policies

Enable detailed monitoring for the instance

Attach an IAM role with recovery permissions

What type of CloudWatch metrics does Amazon S3 provide?

Bucket-level metrics like request count and latency

Object-level metrics like file access counts

Regional-level metrics for replication status

AZ-level metrics for storage utilization

You are designing a DynamoDB table with a predictable and high write workload. Which capacity mode should you choose?

Provisioned capacity with Auto Scaling

How can DynamoDB Streams be used in a data pipeline?

To trigger Lambda functions for downstream processing

To replicate table data across Regions

To analyze data directly from the stream

What is the purpose of the Amazon Aurora Backtrack feature?

To revert a database to a previous point in time without restoring from a snapshot

To replicate data across Regions

To improve read performance with caching

How can you deliver SNS messages to multiple queues for further processing?

Configure SNS fanout with multiple SQS subscriptions

Use an IAM policy to attach multiple queues

Enable cross-account access for the queues

Use AWS Glue to synchronize the queues

You are designing an SQS-based application. How can you ensure that messages are processed exactly once in the correct order?

Use a Standard Queue with FIFO-enabled policy

Enable Long Polling on the Standard Queue

How can you decouple processing tasks in a serverless architecture using SQS?

Use Lambda to poll messages from SQS

Use API Gateway to send messages directly to SQS

Use Auto Scaling to manage queues dynamically

Use S3 events to trigger SQS messages

How can you implement an EC2-based architecture to host a web application with both fault tolerance and cost optimization for unpredictable workloads?

Use Auto Scaling with Spot Instances and Elastic Load Balancer across multiple AZs

Use On-Demand Instances in a single AZ with Auto Scaling

Use Reserved Instances with Spot Fleet for cost savings

Use Spot Instances with a Dedicated Host

How can you achieve a high-availability EBS storage solution for a critical workload?

EBS inherently provides high availability within a single AZ

Use a Multi-AZ configuration for EBS volumes

Attach multiple EBS volumes to the same instance

A company wants to encrypt existing unencrypted EBS volumes. What is the best approach?

Create a snapshot, copy it with encryption enabled, and restore the snapshot to a new volume

Enable encryption directly on the existing volume

Use AWS KMS to enable encryption on the existing volume

Attach the volume to an encrypted instance

How can you minimize downtime during a major version upgrade for a production RDS database?

Use read replicas and promote one after upgrading

Perform an in-place upgrade on the primary instance

Create a snapshot, upgrade the instance manually, and restore it

AWS Services Quiz

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Computers

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University

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Hard

Priyaadharshini M

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Query performance

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Which Amazon EC2 pricing option is most cost-effective for workloads with flexible start and end times?

Which type of EBS volume provides the highest performance for large-scale transactional workloads?

What is a key feature of Amazon EBS?

Which Amazon S3 storage class is ideal for infrequently accessed data with flexible retrieval times?

Which database engine is NOT supported by Amazon RDS?

What is the purpose of an IAM policy?

Which of the following metrics can CloudWatch monitor for an EC2 instance?

What type of database is Amazon DynamoDB?

Which feature of DynamoDB provides fault tolerance and high availability across multiple regions?

Which feature of Aurora enables a database to be automatically scaled based on workload?

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