FC0-U71 Data and Database Fundamentals Practice Question
A cloud database service is being considered for a startup to avoid hardware maintenance and allow automatic scaling. Which type of service is this?
⚠ Common exam trap
The trap is treating DBaaS as a synonym for PaaS or SaaS — candidates must recognize that DBaaS is a specialized managed service category focused specifically on database engines, and the question's emphasis on 'database service' with 'no hardware maintenance' and 'automatic scaling' points directly to DBaaS.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Database as a Service (DBaaS)
DBaaS (Database as a Service) is the correct answer because it specifically describes a managed cloud service where the provider handles database engine installation, patching, backups, replication, and scaling, while the customer simply consumes the database. The scenario explicitly mentions avoiding hardware maintenance and enabling automatic scaling of a database — the defining characteristics of DBaaS. DBaaS is a specialized subset of PaaS focused on database workloads.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Software as a Service (SaaS)
Why it's wrong here
SaaS provides a finished application, not a managed database engine the startup can connect to and scale independently. It is tempting because it removes all maintenance, which fits ready-made workloads such as email or CRM rather than custom application data.
- ✓
Database as a Service (DBaaS)
Why this is correct
Database as a Service delivers a fully managed database engine, so the provider handles patching, backups and hardware, while compute and storage scale automatically on demand. This directly satisfies the startup's two constraints: eliminating hardware maintenance and gaining automatic scaling without managing servers.
- ✗
Infrastructure as a Service (IaaS)
Why it's wrong here
IaaS delivers raw compute, storage and networking; the startup still installs, patches and manages the database engine itself, so hardware maintenance is not fully avoided. It is tempting when full OS-level control or custom engine configuration is required.
- ✗
Platform as a Service (PaaS)
Why it's wrong here
PaaS provides a runtime environment and middleware for deploying custom applications, but the startup’s requirement is specifically to avoid hardware maintenance and gain automatic scaling of the *database* itself. That need is met by Database as a Service (DBaaS), which abstracts the database engine and storage layer. PaaS is tempting because it also abstracts infrastructure, but it would still require the startup to manage the database software and scaling logic manually. PaaS would be correct if the startup needed to deploy a custom web application without managing the underlying OS and runtime.
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Same concept, more angles
3 more ways this is tested on FC0-U71
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Which of the following are advantages of using a cloud database service (DBaaS) compared to an on-premises database? (Select TWO.)
easy- A.Full control over underlying hardware
- B.Requires dedicated IT staff for database administration
- ✓ C.Managed maintenance and updates
- D.Higher initial capital expenditure
- ✓ E.Automatic scalability
Why C: DBaaS provides managed maintenance and automatic scalability without hardware management. High availability is inherent, and initial cost is lower (pay-as-you-go).
Variation 2. Which TWO of the following are benefits of using a cloud database service (DBaaS) over an on-premises database?
medium- ✓ A.No need to manage physical hardware
- B.Full control over the operating system
- C.Lower latency guaranteed
- D.Data is always stored locally
- ✓ E.Automatic scaling of resources
Why A: Option A is correct because a DBaaS provider owns and operates the underlying physical servers, storage, and networking, so the customer is freed from hardware procurement, racking, power, cooling, and replacement tasks. Option E is correct because DBaaS platforms typically offer elastic, automated scaling of compute, storage, and sometimes read replicas in response to workload demand, which is difficult to achieve quickly with fixed on-premises capacity. Option B is not correct because DBaaS abstracts the operating system away from the customer, who generally gets far less OS-level control than with an on-premises deployment. Option C is not correct because lower latency is not guaranteed; network round trips to the provider's region can actually increase latency compared with a local database. Option D is not correct because DBaaS data resides in the provider's data centers, not locally on the customer's premises.
Variation 3. Which THREE of the following are advantages of using a cloud database service (DBaaS) over an on-premises database? (Select THREE.)
hard- ✓ A.No need to manage physical hardware
- ✓ B.Built-in backup and disaster recovery options
- C.Lower latency than on-premises in all cases
- ✓ D.Automatic scaling based on demand
- E.Full control over the operating system
Why A: Option A is correct because a DBaaS provider owns and operates the underlying physical servers, storage, and networking, so the customer is freed from hardware procurement, racking, cabling, and maintenance tasks. Option B is correct because DBaaS platforms typically include managed automated backups, point-in-time recovery, and cross-region replication or failover as built-in features, reducing the administrative burden of designing and testing a DR strategy. Option D is correct because DBaaS offerings commonly provide elastic scaling of compute, storage, and IOPS—often automatically or via simple configuration changes—to match changing workload demand without manual capacity planning. Option C is not correct because latency depends on network distance and topology; a cloud database can be slower than a local on-premises database when the application and data are geographically separated. Option E is not correct because DBaaS abstracts the operating system away from the customer, who generally has little or no OS-level access, unlike on-premises deployments where full OS control is retained.
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official CompTIA exam blueprint
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