Question 1mediummatching
Full question →Match each REST-style method to the action it most commonly represents.
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mediummatchingObjective-mapped
Match each REST-style method to the action it most commonly represents.
Common exam trap
Common exam trap: answer the scenario, not the keyword
A common exam trap is confusing POST and PUT methods because both can create or modify resources. Candidates often mistakenly think POST is used for updates, but POST is primarily for creating or submitting data and is non-idempotent. PUT, on the other hand, is idempotent and used to update or replace an existing resource fully. Misunderstanding this can lead to incorrect API usage in automation scenarios, causing unexpected network device states or duplicated configurations. Remembering the idempotency and typical use cases of each method helps avoid this trap.
Technical deep dive
How to think about this question
REST (Representational State Transfer) is an architectural style widely used in network automation and programmability, including Cisco's controller APIs. The core concept is that RESTful APIs use standard HTTP methods to perform CRUD (Create, Read, Update, Delete) operations on network resources. GET is used to retrieve or read data without modifying the resource, making it safe and idempotent. POST is typically used to create new resources or submit data to the server, often causing a change in state or side effects. PUT is designed to update or replace an existing resource entirely at a specified URI, making it idempotent because multiple identical PUT requests result in the same resource state. DELETE removes the resource identified by the URI, also idempotent since deleting an already deleted resource has no further effect. Understanding these methods is critical in Cisco automation scenarios where REST APIs interact with network devices or controllers to manage configurations and states. A common exam trap is confusing POST and PUT methods because both can create or modify resources. However, POST is non-idempotent and used for creation or processing, while PUT is idempotent and used for full updates or replacements. In practical Cisco network automation, using the correct method ensures predictable API behavior and avoids unintended configuration changes or resource duplication.
KKey Concepts to Remember
- GET method retrieves information from a network device or controller without modifying the resource state.
- POST method submits data or creates new resources on a network device or controller, often causing state changes.
- PUT method updates or replaces an existing resource entirely, ensuring idempotent configuration changes in automation.
- DELETE method removes a specified resource from a network device or controller, also idempotent in operation.
- REST API methods correspond to CRUD operations essential for Cisco network automation and programmability.
- Using the correct REST method prevents unintended side effects or resource duplication in network automation.
- GET and DELETE methods are idempotent, meaning repeated requests have the same effect as a single request.
- POST is non-idempotent and typically used for resource creation or processing commands in network APIs.
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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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A router learns the same prefix from both OSPF and EIGRP. Which route is installed by default?
Question 2
A router shows this output: R1#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 10.1.1.2 1 FULL/DR 00:00:34 192.168.12.2 GigabitEthernet0/0 10.1.1.3 1 2WAY/DROTHER 00:00:39 192.168.12.3 GigabitEthernet0/0 Which statement is correct?
Question 3
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Question 4
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Question 5
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Question 6
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FAQ
Questions learners often ask
What does this 200-301 question test?
GET method retrieves information from a network device or controller without modifying the resource state.
What exam trap should I watch out for?
Common exam trap: answer the scenario, not the keyword: A common exam trap is confusing POST and PUT methods because both can create or modify resources. Candidates often mistakenly think POST is used for updates, but POST is primarily for creating or submitting data and is non-idempotent. PUT, on the other hand, is idempotent and used to update or replace an existing resource fully. Misunderstanding this can lead to incorrect API usage in automation scenarios, causing unexpected network device states or duplicated configurations. Remembering the idempotency and typical use cases of each method helps avoid this trap.
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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