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Which HTTP method is normally used by a REST API client to retrieve data from a resource without changing it?

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Which HTTP method is normally used by a REST API client to retrieve data from a resource without changing it?

Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

A

Distractor review

POST

POST usually creates or submits data.

B

Distractor review

PUT

PUT commonly replaces or updates a resource.

C

Best answer

GET

GET retrieves resource information.

D

Distractor review

DELETE

DELETE removes a resource.

Common exam trap

Common exam trap: answer the scenario, not the keyword

Confusing HTTP methods can lead to selecting POST or PUT when the question specifically asks for retrieving data without modification. POST is often associated with creating resources, and PUT with updating them. Selecting DELETE is clearly incorrect as it removes resources. The trap is to overlook that GET is the only method designed to safely retrieve data without side effects, which is critical in REST API operations relevant to network programmability.

Technical deep dive

How to think about this question

In the context of network automation and programmability, REST APIs use HTTP methods to interact with network devices and services. The GET method is designed to retrieve data from a specified resource without causing any side effects or changes to the resource's state. This makes GET ideal for querying device configurations, status, or statistics in a safe manner. POST is primarily used to create new resources or submit data to a server, often resulting in changes. PUT replaces or updates an existing resource entirely, which can modify device configurations. DELETE removes a resource, such as deleting a configuration or object. Understanding these HTTP methods is crucial for network engineers using automation tools like Cisco DNA Center or APIs for device management, ensuring that data retrieval operations do not inadvertently alter network states or configurations.

KKey Concepts to Remember

  • REST API HTTP methods
  • GET method for safe data retrieval
  • Network automation and programmability

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Related practice questions

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FAQ

Questions learners often ask

What does this 200-301 question test?

REST API HTTP methods

What is the correct answer to this question?

The correct answer is: GET — GET requests read a resource. They are used to retrieve state or information without modifying the target object.

What should I do if I get this 200-301 question wrong?

Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.

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