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Day 12: RDS

Authored by An Bình

Computers

Professional Development

Used 1+ times

Day 12: RDS
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Amazon RDS supports the following databases, EXCEPT:

MongoDB
MySQL
MariaDB
SQL Server
Postgresql

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

You're planning for a new solution that requires a MySQL database that must be available even in case of a disaster in one of the AZs. What should you use?

Create Read Replicas
Enable Encryption
Enable Multi AZ
Take Snapshots

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

We have an RDS database that struggles to keep up with the demand of requests from our website. Our million users mostly read news, and we don't post news very often. Which solution is adapted to this problem?

Create Read Replicas
Enable Encryption
Enable Multi AZ
Take Snapshots

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

You have set up read replicas on your RDS database, but users are complaining that upon updating their social media posts, they do not see their updated posts right away. What is a possible cause for this?

Your application have bugs
Read Replicas are asynchronous
You should setup Multi AZ instead
Cooldown period in ASG

5.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Applications must update the connection string to leverage ___

Read Replicas
Encryption
Multi AZ
Snapshots

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

An analytics application is currently performing its queries against your main production RDS database. These queries run at any time of the day and slow down the RDS database which impacts your users' experience. What should you do to improve the users' experience?

Setup Read Replica
Setup Multi AZ
Run analytics at night

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Your company has a production Node.js application that is using RDS MySQL 5.6 as its database. A new application programmed in Java will perform some heavy analytics workload to create a dashboard on a regular hourly basis. What is the most cost-effective solution you can implement to minimize disruption for the main application?

Enable Multi AZ and run analytics on the standby database
Create a Read Replica in different AZ and run analytics on the replica database
Create a Read Replica in different AZ and run analytics on the source database

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