A company is evaluating middleware options to integrate a legacy on-premises system with a cloud-based SaaS application. The legacy system uses a proprietary protocol, and the SaaS application only exposes REST APIs. The integration must handle high message volumes and provide message transformation. Which middleware solution is most suitable?

A simple REST API gateway that proxies requests to the legacy system

An integration platform as a service (iPaaS) that supports custom connectors and message transformation

A direct VPN connection between the systems, bypassing middleware

A message queue that only passes raw messages without transformation

A company has several legacy systems that need to be integrated with a new cloud-based application. The legacy systems use different data formats (XML, CSV, JSON). Which middleware capability is essential to handle these differences?

Data transformation and mapping

An organization runs a web application in Azure and an on-premises legacy database. They need to synchronize user profiles from the cloud app to the on-premises database. The sync must be conflict-aware and must log failures for audit. Which data synchronization approach should they choose?

Manual export and import of user profiles on a weekly basis

A custom script that overwrites the on-premises database with cloud data every hour

One-way replication from the cloud to on-premises with last-write-wins conflict resolution

Bidirectional sync using a middleware tool that supports conflict detection and resolution policies, with logging enabled

What is the primary purpose of system integration in a cloud environment?

To ensure all data is stored in a single cloud region

To reduce the number of cloud service providers used by an organization

To replace all on-premises systems with cloud-based equivalents

To enable different systems and applications to work together seamlessly

What is the primary function of middleware in system integration?

To secure the physical infrastructure of the cloud

To store data in a central database

To act as a bridge between different applications and services

To provide a user interface for managing integrated systems

CompTIACloud+

Domain 5Objective 4

System Integration CV0-004 Practice Questions (Page 4)

Part of the DevOps fundamentals domain, which accounts for 10% of the CV0-004 exam. CompTIA does not publish an official question count, but from its 90-minute exam (~35–60 total, ~4–6 in this domain), expect 1–1 from this objective — we provide 38 practice questions to prepare you well beyond it. (estimate)

38questions here

8free pages

9concepts

10%of the exam

Questions 16–20

16expert · medium
A company is evaluating middleware options to integrate a legacy on-premises system with a cloud-based SaaS application. The legacy system uses a proprietary protocol, and the SaaS application only exposes REST APIs. The integration must handle high message volumes and provide message transformation. Which middleware solution is most suitable?
Select an answer first
17application · medium
A company has several legacy systems that need to be integrated with a new cloud-based application. The legacy systems use different data formats (XML, CSV, JSON). Which middleware capability is essential to handle these differences?
Select an answer first
18application · medium
An organization runs a web application in Azure and an on-premises legacy database. They need to synchronize user profiles from the cloud app to the on-premises database. The sync must be conflict-aware and must log failures for audit. Which data synchronization approach should they choose?
Select an answer first
19foundation · easy
What is the primary purpose of system integration in a cloud environment?
Select an answer first
20foundation · easy
What is the primary function of middleware in system integration?
Select an answer first

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