Which security best practice is essential when integrating systems using APIs?

Disabling encryption for faster data transfer

Using plain text for API credentials

Implementing authentication and authorization

Allowing all IP addresses to access the API

A company's integration between a cloud-based HR system and a payroll system is failing intermittently. The error logs show 'Timeout waiting for response' from the payroll system's API. The integration is using synchronous REST calls. What is the most effective solution?

Change the integration to use asynchronous messaging, such as a queue, to decouple the systems

Retry the request immediately after a timeout

Switch to a different payroll system

Increase the timeout value in the integration code

In which cloud service model does the customer have the most control over the underlying infrastructure?

Infrastructure as a Service (IaaS)

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Domain 5Objective 4

System Integration CV0-004 Practice Questions (Page 8)

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 36–38

36foundation · easy
Which security best practice is essential when integrating systems using APIs?
Select an answer first
37expert · medium
A company's integration between a cloud-based HR system and a payroll system is failing intermittently. The error logs show 'Timeout waiting for response' from the payroll system's API. The integration is using synchronous REST calls. What is the most effective solution?
Select an answer first
38foundation · easy
In which cloud service model does the customer have the most control over the underlying infrastructure?
Select an answer first

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System Integration CV0-004 Practice Questions (Page 8)

Questions 36–38

Which security best practice is essential when integrating systems using APIs?

A company's integration between a cloud-based HR system and a payroll system is failing intermittently. The error logs show 'Timeout waiting for response' from the payroll system's API. The integration is using synchronous REST calls. What is the most effective solution?

In which cloud service model does the customer have the most control over the underlying infrastructure?

Keep studying — DevOps fundamentals