Which HTTP method is commonly used to retrieve information from a REST API without modifying the resource?
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.
Distractor review
POST
POST is commonly used to create or submit data.
Best answer
GET
Correct. GET retrieves data.
Distractor review
PUT
PUT is used to replace or update a resource.
Distractor review
DELETE
DELETE removes a resource.
Common exam trap
Common exam trap: answer the scenario, not the keyword
A frequent exam trap is mistaking POST or PUT for GET because all are HTTP methods used with REST APIs. POST is often associated with sending data, and PUT with updating resources, which can confuse candidates who think any data exchange means retrieval. The trap lies in overlooking that GET is specifically designed to retrieve information without side effects, while POST and PUT modify or create resources. Selecting POST or PUT instead of GET can lead to incorrect answers and misunderstandings about safe network automation practices.
Technical deep dive
How to think about this question
The HTTP GET method is a fundamental part of REST API communication, designed specifically to retrieve data from a server without causing any side effects or modifications to the resource. In the context of network automation and programmability, GET requests allow network engineers to query device states, configurations, or statistics safely. This method is idempotent and safe, meaning repeated GET requests will not alter the resource or its state, which is critical for reliable network monitoring and automation workflows. When interacting with REST APIs in Cisco network devices or automation platforms, the GET method is the standard choice for fetching information such as interface status, routing tables, or device configurations. The decision to use GET is based on the principle that it should only retrieve data and never change it, unlike POST, PUT, or DELETE methods which modify resources. This distinction ensures that network management tools can safely poll devices without risking unintended configuration changes. A common exam trap involves confusing GET with POST or PUT methods, which do modify resources. In practical networking scenarios, using POST or PUT unintentionally can lead to configuration changes or disruptions. Understanding that GET is read-only and safe helps avoid mistakes in both exam questions and real-world automation scripts. Cisco devices and APIs strictly enforce these HTTP method semantics, so correct usage is essential for predictable network programmability.
KKey Concepts to Remember
- The HTTP GET method retrieves resource data from a REST API without modifying the resource or its state.
- GET requests are idempotent and safe, meaning repeated calls do not cause side effects or changes in network devices.
- POST is used to create or submit new data to a REST API, often resulting in resource modification.
- PUT replaces or updates an existing resource in a REST API, which changes the resource's state.
- DELETE removes a resource from a REST API, permanently altering the network device configuration or data.
- Network automation relies on GET requests to safely poll device information without risking unintended configuration changes.
- Understanding HTTP method semantics is critical to avoid misusing REST API calls in Cisco network programmability.
- Choosing the correct HTTP method ensures predictable and secure interactions with network devices during automation.
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.
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Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
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Question 2
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Question 3
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FAQ
Questions learners often ask
What does this 200-301 question test?
The HTTP GET method retrieves resource data from a REST API without modifying the resource or its state.
What is the correct answer to this question?
The correct answer is: GET — GET is the standard HTTP method for retrieving a resource representation without changing the resource.
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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