A multinational company stores customer data in a cloud database. They must comply with data residency regulations that require personal data of EU citizens to be stored within the EU. Which approach ensures compliance?

Use a database service with global replication

Store data in the cloud provider's headquarters region

Encrypt all data and store it in any region

Deploy the database in an EU region and configure data residency policies

A small business wants to migrate their on-premises MySQL database to the cloud. They have limited IT staff and want to reduce the effort of patching, backups, and high availability. Which cloud deployment model best fits their needs?

PaaS with a managed MySQL database service

SaaS with a generic database application

IaaS with a self-managed MySQL on a VM

On-premises with a cloud management tool

An online analytics platform stores large volumes of time-series data from IoT sensors. The data is write-heavy and rarely updated. Queries often aggregate data over time ranges. The platform currently uses a relational database and is experiencing performance issues. Which database change would best improve performance for this workload?

Add more indexes to the relational database

Switch to a columnar database optimized for time-series data

Use a key-value store for the sensor data

Increase the relational database's storage capacity

A startup needs to store user profiles where each user can have a different set of attributes (e.g., some have a phone number, others don't). Which database type is best suited for this flexible schema?

Non-relational (NoSQL) document database

CompTIACloud+

Domain 1Objective 6

Database Fundamentals CV0-004 Practice Questions (Page 7)

Part of the Cloud architecture domain, which accounts for 23% of the CV0-004 exam. CompTIA does not publish an official question count, but from its 90-minute exam (~35–60 total, ~8–14 in this domain), expect 1–2 from this objective — we provide 37 practice questions to prepare you well beyond it. (estimate)

37questions here

8free pages

10concepts

23%of the exam

Questions 31–35

31foundation · easy
Which consistency model is commonly used in distributed NoSQL databases to achieve high availability and performance?
Select an answer first
32application · medium
A multinational company stores customer data in a cloud database. They must comply with data residency regulations that require personal data of EU citizens to be stored within the EU. Which approach ensures compliance?
Select an answer first
33application · medium
A small business wants to migrate their on-premises MySQL database to the cloud. They have limited IT staff and want to reduce the effort of patching, backups, and high availability. Which cloud deployment model best fits their needs?
Select an answer first
34expert · hard
An online analytics platform stores large volumes of time-series data from IoT sensors. The data is write-heavy and rarely updated. Queries often aggregate data over time ranges. The platform currently uses a relational database and is experiencing performance issues. Which database change would best improve performance for this workload?
Select an answer first
35foundation · easy
A startup needs to store user profiles where each user can have a different set of attributes (e.g., some have a phone number, others don't). Which database type is best suited for this flexible schema?
Select an answer first

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Database Fundamentals CV0-004 Practice Questions (Page 7)

Questions 31–35

Which consistency model is commonly used in distributed NoSQL databases to achieve high availability and performance?

A multinational company stores customer data in a cloud database. They must comply with data residency regulations that require personal data of EU citizens to be stored within the EU. Which approach ensures compliance?

A small business wants to migrate their on-premises MySQL database to the cloud. They have limited IT staff and want to reduce the effort of patching, backups, and high availability. Which cloud deployment model best fits their needs?

A startup needs to store user profiles where each user can have a different set of attributes (e.g., some have a phone number, others don't). Which database type is best suited for this flexible schema?

Keep studying — Cloud architecture