Under what circumstances would you choose provisioned IOPS over standard storage when creating an RDS instance?

If you use online transaction processing in your production environment.

If your business was trying to save money.

If you have workloads that are not sensitive to latency/lag.

What data transfer charge is incurred when replicating data between Availability Zones for your Amazon RDS MySQL in a Multi-AZ deployment?

There is no charge associated with this action.

The charge is double the standard data transfer charge.

The charge is half of the standard data transfer charge.

The charge is the same as the standard data transfer charge.

Which set of RDS database engines is currently available?

Amazon Aurora, MySQL, MariaDB, Oracle, SQL Server, and PostgreSQL

PostgreSQL, MariaDB, MongoDB, Amazon Aurora

MariaDB, SQL Server, MySQL, Cassandra

Aurora, MySQL, SQL Server, Cassandra

You are hosting a MySQL database on the root volume of an EC2 instance. The database is using a large number of IOPS, and you need to increase the number of IOPS available to it. What should you do?

Add 2 additional EBS SSD volumes and create a RAID 0 volume to host the database.

Migrate the database to Glacier.

Migrate the database to an S3 bucket.

Use CloudFront to cache the database.

What happens to the I/O operations of a single-AZ RDS instance during a database snapshot or backup?

I/O may be briefly suspended while the backup process initializes (typically under a few seconds), and you may experience a brief period of elevated latency.

I/O operations will function normally.

I/O operations to the database are sent to a Secondary instance of a Multi-AZ installation (for the duration of the snapshot.)

Your business is building a new application that will store its entire customer database that data for different purposes. Large analytics jobs on the database are likely to cause other applications to not be able to get the query results they need to, before time out. Also, as your data grows, these analytics jobs will start to take more time, increasing the negative effect on the other applications. How do you solve the contention issues between these different workloads on the same data?

Create RDS Read-Replicas for the analytics work.

Enable Multi-AZ mode on the RDS instance.

Use ElastiCache to offload the analytics job data.

Run the RDS instance on the largest size possible.

You have launched an RDS instance with MySQL database with default configuration for your file sharing application to store all the transactional information. Due to security compliance, your organization wants to encrypt all the databases and storage on the cloud. They approached you to perform this activity on your MySQL RDS database. How can you achieve this?

Copy snapshot from latest snapshot of your RDS instance, select encryption during copy and restore a new DB instance from the newly encrypted snapshot.

Stop the RDS instance, modify and select encryption option. Start the RDS instance, it may take a while to start RDS instance as existing data is getting encrypted.

Create a case with AWS support to enable encryption for your RDS instance.

AWS RDS is a managed service and the data at rest in all RDS instances are encrypted by default.

AWS Databases

Authored by Ichigo Kurosaki

Professional Development

Used 191+ times

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20 questions

Show all answers

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

AWS's NoSQL product offering is known as ____.

RDS

MongoDB

DynamoDB

MySQL

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

RDS Reserved instances are available for multi-AZ deployments.

False

True

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Amazon's ElastiCache uses which two engines?

Reddit & Memcrush

Redis & Memory

MyISAM & InnoDB

Redis & Memcached

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

How many copies of my data does RDS - Aurora store by default?

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is most suitable for OLAP (Online Analytical Processing)?

ElastiCache

Redshift

RDS

DynamoDB

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In RDS, what is the maximum value you can set for backup retention period?

30 Days

45 Days

35 Days

15 Days

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

You can SSH into and control the operating system where your Amazon RDS MySQL instance is running.

True

False

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AWS Databases

AWS's NoSQL product offering is known as ____.

RDS Reserved instances are available for multi-AZ deployments.

Amazon's ElastiCache uses which two engines?

How many copies of my data does RDS - Aurora store by default?

Which of the following is most suitable for OLAP (Online Analytical Processing)?

In RDS, what is the maximum value you can set for backup retention period?

You can SSH into and control the operating system where your Amazon RDS MySQL instance is running.

Under what circumstances would you choose provisioned IOPS over standard storage when creating an RDS instance?

With new RDS DB instances, automated backups are enabled by default?

DB security groups are used with DB instances that are not in a VPC and on the EC2-Classic platform. When you create a DB security group, you need to specify a destination port number.

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