Cisco CCNA 200-301 REST APIs Practice Test

Topic 43 focuses on REST APIs for the Cisco Certified Network Associate (CCNA) certification and the 200-301 exam, using Cisco networking and Cisco IOS concepts where relevant. For broader exam preparation, review the Cisco CCNA 200-301 Exam Dumps page. Each question includes a concise explanation of the correct answer and the technical reason the other choices are incorrect.

Question 1

Which architectural style for APIs commonly operates on resources through standard HTTP methods?

1. GET
2. POST
3. REST
4. DELETE

Correct Answer: C

 

Correct Answer

Answer C is correct because the selected answer describes an architectural style for APIs that commonly operates on resources through standard HTTP methods.

Incorrect Answers

Answer A is incorrect because the “GET” option describes a different concept: an HTTP method commonly used to retrieve a resource without changing it.

Answer B is incorrect because the “POST” option describes a different concept: an HTTP method commonly used to create a new resource or submit an action.

Answer D is incorrect because the “DELETE” option describes a different concept: an HTTP method commonly used to remove a resource.

 

Question 2

Which object or collection is exposed by a REST API, such as a device, interface, user, or configuration item?

1. GET
2. Resource
3. API authentication
4. DELETE

Correct Answer: B

 

Correct Answer

Answer B is correct because the selected answer describes an object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

Incorrect Answers

Answer A is incorrect because the “GET” option describes a different concept: an HTTP method commonly used to retrieve a resource without changing it.

Answer C is incorrect because the “API authentication” option describes a different concept: a mechanism such as basic authentication, tokens, or OAuth-style credentials used to verify a client before permitting API access.

Answer D is incorrect because the “DELETE” option describes a different concept: an HTTP method commonly used to remove a resource.

 

Question 3

Which string identifies a REST API resource or endpoint?

1. DELETE
2. PATCH
3. API authentication
4. URI

Correct Answer: D

 

Correct Answer

Answer D is correct because the selected answer describes a string that identifies a REST API resource or endpoint.

Incorrect Answers

Answer A is incorrect because the “DELETE” option describes a different concept: an HTTP method commonly used to remove a resource.

Answer B is incorrect because the “PATCH” option describes a different concept: an HTTP method commonly used to make a partial update to an existing resource.

Answer C is incorrect because the “API authentication” option describes a different concept: a mechanism such as basic authentication, tokens, or OAuth-style credentials used to verify a client before permitting API access.

 

Question 4

Which HTTP method commonly is used to retrieve a resource without changing it?

1. DELETE
2. PUT
3. GET
4. Resource

Correct Answer: C

 

Correct Answer

Answer C is correct because the selected answer describes an HTTP method commonly used to retrieve a resource without changing it.

Incorrect Answers

Answer A is incorrect because the “DELETE” option describes a different concept: an HTTP method commonly used to remove a resource.

Answer B is incorrect because the “PUT” option describes a different concept: an HTTP method commonly used to replace or fully update a resource at a known URI.

Answer D is incorrect because the “Resource” option describes a different concept: an object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

 

Question 5

Which HTTP method commonly is used to create a new resource or submit an action?

1. GET
2. URI
3. POST
4. Resource

Correct Answer: C

 

Correct Answer

Answer C is correct because the selected answer describes an HTTP method commonly used to create a new resource or submit an action.

Incorrect Answers

Answer A is incorrect because the “GET” option describes a different concept: an HTTP method commonly used to retrieve a resource without changing it.

Answer B is incorrect because the “URI” option describes a different concept: a string that identifies a REST API resource or endpoint.

Answer D is incorrect because the “Resource” option describes a different concept: an object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

 

Question 6

Which HTTP method commonly is used to replace or fully update a resource at a known URI?

1. URI
2. POST
3. PUT
4. GET

Correct Answer: C

 

Correct Answer

Answer C is correct because the selected answer describes an HTTP method commonly used to replace or fully update a resource at a known URI.

Incorrect Answers

Answer A is incorrect because the “URI” option describes a different concept: a string that identifies a REST API resource or endpoint.

Answer B is incorrect because the “POST” option describes a different concept: an HTTP method commonly used to create a new resource or submit an action.

Answer D is incorrect because the “GET” option describes a different concept: an HTTP method commonly used to retrieve a resource without changing it.

 

Question 7

Which HTTP method commonly is used to make a partial update to an existing resource?

1. URI
2. HTTP status code
3. REST
4. PATCH

Correct Answer: D

 

Correct Answer

Answer D is correct because the selected answer describes an HTTP method commonly used to make a partial update to an existing resource.

Incorrect Answers

Answer A is incorrect because the “URI” option describes a different concept: a string that identifies a REST API resource or endpoint.

Answer B is incorrect because the “HTTP status code” option describes a different concept: a numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.

Answer C is incorrect because the “REST” option describes a different concept: an architectural style for APIs that commonly operates on resources through standard HTTP methods.

 

Question 8

Which HTTP method commonly is used to remove a resource?

1. URI
2. DELETE
3. PUT
4. GET

Correct Answer: B

 

Correct Answer

Answer B is correct because the selected answer describes an HTTP method commonly used to remove a resource.

Incorrect Answers

Answer A is incorrect because the “URI” option describes a different concept: a string that identifies a REST API resource or endpoint.

Answer C is incorrect because the “PUT” option describes a different concept: an HTTP method commonly used to replace or fully update a resource at a known URI.

Answer D is incorrect because the “GET” option describes a different concept: an HTTP method commonly used to retrieve a resource without changing it.

 

Question 9

Which numeric response code such as 200, 201, 400, 401, 404, or 500 indicates the outcome of an HTTP request?

1. REST
2. GET
3. HTTP status code
4. DELETE

Correct Answer: C

 

Correct Answer

Answer C is correct because the selected answer describes a numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.

Incorrect Answers

Answer A is incorrect because the “REST” option describes a different concept: an architectural style for APIs that commonly operates on resources through standard HTTP methods.

Answer B is incorrect because the “GET” option describes a different concept: an HTTP method commonly used to retrieve a resource without changing it.

Answer D is incorrect because the “DELETE” option describes a different concept: an HTTP method commonly used to remove a resource.

 

Question 10

What is a mechanism such as basic authentication, tokens, or OAuth-style credentials used to verify a client before permitting API access?

1. API authentication
2. PUT
3. URI
4. PATCH

Correct Answer: A

 

Correct Answer

Answer A is correct because the selected answer describes a mechanism such as basic authentication, tokens, or OAuth-style credentials used to verify a client before permitting API access.

Incorrect Answers

Answer B is incorrect because the “PUT” option describes a different concept: an HTTP method commonly used to replace or fully update a resource at a known URI.

Answer C is incorrect because the “URI” option describes a different concept: a string that identifies a REST API resource or endpoint.

Answer D is incorrect because the “PATCH” option describes a different concept: an HTTP method commonly used to make a partial update to an existing resource.

 

Question 11

For REST, which statement is accurate?

1. An HTTP method commonly used to make a partial update to an existing resource.
2. An architectural style for APIs that commonly operates on resources through standard HTTP methods.
3. An object or collection exposed by a REST API, such as a device, interface, user, or configuration item.
4. An HTTP method commonly used to remove a resource.

Correct Answer: B

 

Correct Answer

Answer B is correct because the selected answer describes an architectural style for APIs that commonly operates on resources through standard HTTP methods.

Incorrect Answers

Answer A is incorrect because the “PATCH” option describes a different concept: an HTTP method commonly used to make a partial update to an existing resource.

Answer C is incorrect because the “Resource” option describes a different concept: an object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

Answer D is incorrect because the “DELETE” option describes a different concept: an HTTP method commonly used to remove a resource.

 

Question 12

For Resource, which statement is accurate?

1. An HTTP method commonly used to make a partial update to an existing resource.
2. A numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.
3. An HTTP method commonly used to create a new resource or submit an action.
4. An object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

Correct Answer: D

 

Correct Answer

Answer D is correct because the selected answer describes an object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

Incorrect Answers

Answer A is incorrect because the “PATCH” option describes a different concept: an HTTP method commonly used to make a partial update to an existing resource.

Answer B is incorrect because the “HTTP status code” option describes a different concept: a numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.

Answer C is incorrect because the “POST” option describes a different concept: an HTTP method commonly used to create a new resource or submit an action.

 

Question 13

For URI, which statement is accurate?

1. A string that identifies a REST API resource or endpoint.
2. An HTTP method commonly used to retrieve a resource without changing it.
3. A mechanism such as basic authentication, tokens, or OAuth-style credentials used to verify a client before permitting API access.
4. An HTTP method commonly used to create a new resource or submit an action.

Correct Answer: A

 

Correct Answer

Answer A is correct because it accurately defines URI. The matching definition is: A string that identifies a REST API resource or endpoint.

Incorrect Answers

Answer B is incorrect because the “GET” option describes a different concept: an HTTP method commonly used to retrieve a resource without changing it.

Answer C is incorrect because the “API authentication” option describes a different concept: a mechanism such as basic authentication, tokens, or OAuth-style credentials used to verify a client before permitting API access.

Answer D is incorrect because the “POST” option describes a different concept: an HTTP method commonly used to create a new resource or submit an action.

 

Question 14

For GET, which statement is accurate?

1. An architectural style for APIs that commonly operates on resources through standard HTTP methods.
2. An HTTP method commonly used to retrieve a resource without changing it.
3. A numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.
4. An HTTP method commonly used to remove a resource.

Correct Answer: B

 

Correct Answer

Answer B is correct because the choice accurately describes GET: An HTTP method commonly used to retrieve a resource without changing it.

Incorrect Answers

Answer A is incorrect because the “REST” option describes a different concept: an architectural style for APIs that commonly operates on resources through standard HTTP methods.

Answer C is incorrect because the “HTTP status code” option describes a different concept: a numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.

Answer D is incorrect because the “DELETE” option describes a different concept: an HTTP method commonly used to remove a resource.

 

Question 15

For POST, which statement is accurate?

1. An HTTP method commonly used to create a new resource or submit an action.
2. An HTTP method commonly used to replace or fully update a resource at a known URI.
3. An object or collection exposed by a REST API, such as a device, interface, user, or configuration item.
4. An HTTP method commonly used to remove a resource.

Correct Answer: A

 

Correct Answer

Answer A is correct because the selected answer describes an HTTP method commonly used to create a new resource or submit an action.

Incorrect Answers

Answer B is incorrect because the “PUT” option describes a different concept: an HTTP method commonly used to replace or fully update a resource at a known URI.

Answer C is incorrect because the “Resource” option describes a different concept: an object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

Answer D is incorrect because the “DELETE” option describes a different concept: an HTTP method commonly used to remove a resource.

 

Question 16

For PUT, which statement is accurate?

1. An HTTP method commonly used to replace or fully update a resource at a known URI.
2. A numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.
3. An HTTP method commonly used to retrieve a resource without changing it.
4. An HTTP method commonly used to make a partial update to an existing resource.

Correct Answer: A

 

Correct Answer

Answer A is correct because the selected answer describes an HTTP method commonly used to replace or fully update a resource at a known URI.

Incorrect Answers

Answer B is incorrect because the “HTTP status code” option describes a different concept: a numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.

Answer C is incorrect because the “GET” option describes a different concept: an HTTP method commonly used to retrieve a resource without changing it.

Answer D is incorrect because the “PATCH” option describes a different concept: an HTTP method commonly used to make a partial update to an existing resource.

 

Question 17

For PATCH, which statement is accurate?

1. An HTTP method commonly used to remove a resource.
2. An HTTP method commonly used to create a new resource or submit an action.
3. A numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.
4. An HTTP method commonly used to make a partial update to an existing resource.

Correct Answer: D

 

Correct Answer

Answer D is correct because it accurately defines PATCH. The matching definition is: An HTTP method commonly used to make a partial update to an existing resource.

Incorrect Answers

Answer A is incorrect because the “DELETE” option describes a different concept: an HTTP method commonly used to remove a resource.

Answer B is incorrect because the “POST” option describes a different concept: an HTTP method commonly used to create a new resource or submit an action.

Answer C is incorrect because the “HTTP status code” option describes a different concept: a numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.

 

Question 18

For DELETE, which statement is accurate?

1. An object or collection exposed by a REST API, such as a device, interface, user, or configuration item.
2. An HTTP method commonly used to retrieve a resource without changing it.
3. An architectural style for APIs that commonly operates on resources through standard HTTP methods.
4. An HTTP method commonly used to remove a resource.

Correct Answer: D

 

Correct Answer

Answer D is correct because the choice accurately describes DELETE: An HTTP method commonly used to remove a resource.

Incorrect Answers

Answer A is incorrect because the “Resource” option describes a different concept: an object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

Answer B is incorrect because the “GET” option describes a different concept: an HTTP method commonly used to retrieve a resource without changing it.

Answer C is incorrect because the “REST” option describes a different concept: an architectural style for APIs that commonly operates on resources through standard HTTP methods.

 

Question 19

For HTTP status code, which statement is accurate?

1. An object or collection exposed by a REST API, such as a device, interface, user, or configuration item.
2. An HTTP method commonly used to replace or fully update a resource at a known URI.
3. A numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.
4. An HTTP method commonly used to create a new resource or submit an action.

Correct Answer: C

 

Correct Answer

Answer C is correct because the selected answer describes a numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.

Incorrect Answers

Answer A is incorrect because the “Resource” option describes a different concept: an object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

Answer B is incorrect because the “PUT” option describes a different concept: an HTTP method commonly used to replace or fully update a resource at a known URI.

Answer D is incorrect because the “POST” option describes a different concept: an HTTP method commonly used to create a new resource or submit an action.

 

Question 20

For API authentication, which statement is accurate?

1. An HTTP method commonly used to create a new resource or submit an action.
2. An architectural style for APIs that commonly operates on resources through standard HTTP methods.
3. A numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.
4. A mechanism such as basic authentication, tokens, or OAuth-style credentials used to verify a client before permitting API access.

Correct Answer: D

 

Correct Answer

Answer D is correct because the selected answer describes a mechanism such as basic authentication, tokens, or OAuth-style credentials used to verify a client before permitting API access.

Incorrect Answers

Answer A is incorrect because the “POST” option describes a different concept: an HTTP method commonly used to create a new resource or submit an action.

Answer B is incorrect because the “REST” option describes a different concept: an architectural style for APIs that commonly operates on resources through standard HTTP methods.

Answer C is incorrect because the “HTTP status code” option describes a different concept: a numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.

 

Question 21

An API exposes addressable resources and operates on them through standard HTTP methods. Which architectural style matches this interface?

1. REST
2. PUT
3. POST
4. Resource

Correct Answer: A

 

Correct Answer

Answer A is correct because REST directly provides the function required by the scenario. An architectural style for APIs that commonly operates on resources through standard HTTP methods.

Incorrect Answers

Answer B is incorrect because the “PUT” option describes a different concept: an HTTP method commonly used to replace or fully update a resource at a known URI.

Answer C is incorrect because the “POST” option describes a different concept: an HTTP method commonly used to create a new resource or submit an action.

Answer D is incorrect because the “Resource” option describes a different concept: an object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

 

Question 22

During an operations automation assessment, the design calls for the following capability: An object or collection exposed by a REST API, such as a device, interface, user, or configuration item. Which option names that capability most accurately?

1. POST
2. Resource
3. API authentication
4. PUT

Correct Answer: B

 

Correct Answer

Answer B is correct because the operational requirement in the stem maps to Resource: An object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

Incorrect Answers

Answer A is incorrect because the “POST” option describes a different concept: an HTTP method commonly used to create a new resource or submit an action.

Answer C is incorrect because the “API authentication” option describes a different concept: a mechanism such as basic authentication, tokens, or OAuth-style credentials used to verify a client before permitting API access.

Answer D is incorrect because the “PUT” option describes a different concept: an HTTP method commonly used to replace or fully update a resource at a known URI.

 

Question 23

A client must identify the particular resource it wants to access in a REST request. Which identifier specifies the resource or endpoint?

1. URI
2. API authentication
3. Resource
4. REST

Correct Answer: A

 

Correct Answer

Answer A is correct because URI is the most precise fit for the stated requirement. A string that identifies a REST API resource or endpoint.

Incorrect Answers

Answer B is incorrect because the “API authentication” option describes a different concept: a mechanism such as basic authentication, tokens, or OAuth-style credentials used to verify a client before permitting API access.

Answer C is incorrect because the “Resource” option describes a different concept: an object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

Answer D is incorrect because the “REST” option describes a different concept: an architectural style for APIs that commonly operates on resources through standard HTTP methods.

 

Question 24

While working on an API integration project, an administrator encounters this requirement: An HTTP method commonly used to retrieve a resource without changing it. Which answer is the most precise match?

1. Resource
2. GET
3. POST
4. DELETE

Correct Answer: B

 

Correct Answer

Answer B is correct because the scenario is describing the role of GET. An HTTP method commonly used to retrieve a resource without changing it.

Incorrect Answers

Answer A is incorrect because the “Resource” option describes a different concept: an object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

Answer C is incorrect because the “POST” option describes a different concept: an HTTP method commonly used to create a new resource or submit an action.

Answer D is incorrect because the “DELETE” option describes a different concept: an HTTP method commonly used to remove a resource.

 

Question 25

In a controller-based design review, the team must identify the technology that provides the following function: An HTTP method commonly used to create a new resource or submit an action. Which option should be selected?

1. POST
2. Resource
3. PUT
4. HTTP status code

Correct Answer: A

 

Correct Answer

Answer A is correct because POST directly provides the function required by the scenario. An HTTP method commonly used to create a new resource or submit an action.

Incorrect Answers

Answer B is incorrect because the “Resource” option describes a different concept: an object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

Answer C is incorrect because the “PUT” option describes a different concept: an HTTP method commonly used to replace or fully update a resource at a known URI.

Answer D is incorrect because the “HTTP status code” option describes a different concept: a numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.

 

Question 26

A client sends a complete replacement representation to an existing resource’s known URI. Which HTTP method normally expresses this operation?

1. POST
2. PUT
3. REST
4. URI

Correct Answer: B

 

Correct Answer

Answer B is correct because the operational requirement in the stem maps to PUT: An HTTP method commonly used to replace or fully update a resource at a known URI.

Incorrect Answers

Answer A is incorrect because the “POST” option describes a different concept: an HTTP method commonly used to create a new resource or submit an action.

Answer C is incorrect because the “REST” option describes a different concept: an architectural style for APIs that commonly operates on resources through standard HTTP methods.

Answer D is incorrect because the “URI” option describes a different concept: a string that identifies a REST API resource or endpoint.

 

Question 27

During an operations automation assessment, the design calls for the following capability: An HTTP method commonly used to make a partial update to an existing resource. Which option names that capability most accurately?

1. POST
2. PATCH
3. Resource
4. GET

Correct Answer: B

 

Correct Answer

Answer B is correct because PATCH is the most precise fit for the stated requirement. An HTTP method commonly used to make a partial update to an existing resource.

Incorrect Answers

Answer A is incorrect because the “POST” option describes a different concept: an HTTP method commonly used to create a new resource or submit an action.

Answer C is incorrect because the “Resource” option describes a different concept: an object or collection exposed by a REST API, such as a device, interface, user, or configuration item.

Answer D is incorrect because the “GET” option describes a different concept: an HTTP method commonly used to retrieve a resource without changing it.

 

Question 28

An authorized API client needs to remove an existing resource. Which HTTP method normally expresses this request?

1. DELETE
2. URI
3. PATCH
4. POST

Correct Answer: A

 

Correct Answer

Answer A is correct because the scenario is describing the role of DELETE. An HTTP method commonly used to remove a resource.

Incorrect Answers

Answer B is incorrect because the “URI” option describes a different concept: a string that identifies a REST API resource or endpoint.

Answer C is incorrect because the “PATCH” option describes a different concept: an HTTP method commonly used to make a partial update to an existing resource.

Answer D is incorrect because the “POST” option describes a different concept: an HTTP method commonly used to create a new resource or submit an action.

 

Question 29

While working on an API integration project, an administrator encounters this requirement: A numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request. Which answer is the most precise match?

1. DELETE
2. GET
3. REST
4. HTTP status code

Correct Answer: D

 

Correct Answer

Answer D is correct because HTTP status code directly provides the function required by the scenario. A numeric response code such as 200, 201, 400, 401, 404, or 500 that indicates the outcome of an HTTP request.

Incorrect Answers

Answer A is incorrect because the “DELETE” option describes a different concept: an HTTP method commonly used to remove a resource.

Answer B is incorrect because the “GET” option describes a different concept: an HTTP method commonly used to retrieve a resource without changing it.

Answer C is incorrect because the “REST” option describes a different concept: an architectural style for APIs that commonly operates on resources through standard HTTP methods.

 

Question 30

In a controller-based design review, the team must identify the technology that provides the following function: A mechanism such as basic authentication, tokens, or OAuth-style credentials used to verify a client before permitting API access. Which option should be selected?

1. POST
2. DELETE
3. API authentication
4. Resource

Correct Answer: C

 

Correct Answer

Answer C is correct because the operational requirement in the stem maps to API authentication: A mechanism such as basic authentication, tokens, or OAuth-style credentials used to verify a client before permitting API access.

Incorrect Answers

Answer A is incorrect because the “POST” option describes a different concept: an HTTP method commonly used to create a new resource or submit an action.

Answer B is incorrect because the “DELETE” option describes a different concept: an HTTP method commonly used to remove a resource.

Answer D is incorrect because the “Resource” option describes a different concept: an object or collection exposed by a REST API, such as a device, interface, user, or configuration item.