What triggers RDS to automatically scale your database storage?

When RDS detects you are running out of free database storage

When there is an increase in the number of database connections

When the database has been idle for a certain period

What condition will NOT automatically modify storage in RDS?

24 hours have passed without any database access

Free storage is less than 10% of allocated storage

Low-storage lasts at least 5 minutes

6 hours have passed since last modification

For which type of applications is RDS Storage Auto Scaling particularly useful?

Applications with unpredictable workloads

Applications with consistent workloads

Applications with predictable workloads

Applications that do not store data

Does RDS Storage Auto Scaling support all RDS database engines?

Supports all RDS database engines

Only supports MySQL and PostgreSQL

Only supports Oracle and SQL Server

Does not support any RDS database engines

What types of replication can RDS Read Replicas be configured for?

Within AZ, Cross AZ, or Cross Region

Within Availability Zone (AZ) only

Cross Availability Zone (AZ) or Cross Region only

Can RDS Read Replicas be promoted to their own database?

Yes, they can be promoted to their own DB

Yes, but only within the same region

Yes, but they lose the read replica functionality

What is the primary use case for RDS Read Replicas?

To run a reporting application without affecting the production database

To increase the write capacity of the production database

To perform INSERT, UPDATE, DELETE operations more efficiently

To serve as a backup for the production database

What happens to the production application when a Read Replica is created for new workloads?

It is scaled up to handle more load

It is migrated to a different server

How does the Reporting Application read data from the RDS DB instance?

Via a Read Replica using asynchronous replication

Through direct access to the production database

Via a Read Replica using synchronous replication

It does not read data; it only writes data

What is the network cost for RDS Read Replicas within the same AWS region?

There is a network cost based on the amount of data transferred

The network cost is variable depending on the time of day

Is there a network cost when data goes from one Availability Zone (AZ) to another within the same AWS region for RDS Read Replicas?

Yes, there is always a network cost

Yes, but only during peak hours

No, unless the data exceeds a certain limit

What happens to the network cost when RDS Read Replicas are set up across different AWS regions?

There is an additional network cost

What happens in RDS Multi AZ when there is a loss of AZ, network, instance, or storage failure?

C) Automatic failover to standby

Is RDS Multi AZ used for scaling purposes?

B) No, it is not used for scaling

A) Yes, it is primarily used for scaling

C) Yes, but only for read scaling

D) No, it is only used for backup

What is the purpose of having one DNS name in RDS Multi AZ?

D) To enable automatic failover to standby

C) To allow manual intervention

Can Read Replicas be set up as Multi AZ for Disaster Recovery (DR)?

A) Yes, they can be set up as Multi AZ for DR

B) No, Read Replicas cannot be used for DR

D) No, Read Replicas are only for scaling

What is the first step in the internal process when modifying an RDS DB instance from Single-AZ to Multi-AZ?

A) A new DB is created in the same AZ

C) Synchronization is established between the two databases

What happens after a snapshot is taken during the modification of an RDS DB instance from Single-AZ to Multi-AZ?

B) A new DB is restored from the snapshot in a new AZ

C) Synchronization is established between the two databases

What is the final step in the internal process when modifying an RDS DB instance from Single-AZ to Multi-AZ?

C) Synchronization is established between the two databases

B) A new DB is created in the same AZ

Is there any downtime required when modifying an RDS DB instance from Single-AZ to Multi-AZ?

D) No, it is a zero downtime operation

A) Yes, the database must be stopped

B) No, but synchronization is not established

C) Yes, but only during the snapshot process

What does RDS Custom provide access to?

Both the underlying database and OS

Neither the database nor the OS

What is the purpose of de-activating Automation Mode in RDS Custom?

To perform database customization

To increase database performance

To enable additional AWS services

What is the difference between RDS and RDS Custom according to the provided information?

RDS manages the entire database and OS, while RDS Custom provides full admin access to the OS and the database.

RDS Custom allows for installing third-party applications, while RDS does not.

RDS is not managed by AWS, while RDS Custom is.

RDS Custom is not scalable, while RDS is scalable.

What type of technology is Amazon Aurora considered to be?

Proprietary technology from AWS

By how much can Aurora storage automatically grow?

In increments of 10GB, up to 128 TB

In increments of 5GB, up to 64 TB

In increments of 20GB, up to 256 TB

In increments of 50GB, up to 512 TB

What is the feature of Aurora that allows it to automatically recover from physical storage failures?

Self healing with peer-to-peer replication

Master + up to 15 Aurora Read Replicas

Does Aurora support replication across different regions?

Yes, it supports Cross Region Replication

No, it only supports within the same region

Yes, but only for read replicas

No, it does not support any form of replication

What does the Writer Endpoint in an Aurora DB Cluster do?

Points to the master instance for write operations

Balances the load between reader instances

Automatically scales the storage volume

Distributes read operations across multiple instances

What is the purpose of the Reader Endpoint in an Aurora DB Cluster?

Balances the load between reader instances

Points to the master instance for write operations

Automatically scales the storage volume

Expands the storage volume from 10G to 128 TB

Amazon RDS Quiz

Authored by G Turner

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Professional Development

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78 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does RDS stand for in Amazon RDS?

Relational Database Service

Remote Data Server

Responsive Design System

Real-time Data Store

OPEN ENDED QUESTION

To decrease storage on your RDS DB instance dynamically

To help manage network traffic more efficiently

To help you increase storage on your RDS DB instance dynamically

To improve the CPU performance of your RDS DB instance

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