200-901 Certification Overview - [Dec 04, 2025] Latest 200-901 PDF Dumps
The Best Cisco 200-901 Study Guides and Dumps of 2025
Cisco 200-901 (DevNet Associate) Exam is suitable for network engineers, software developers, and IT professionals who want to learn how to develop software applications that are integrated with networking technologies. 200-901 exam covers the basics of programming languages such as Python, JavaScript, and JSON, as well as the use of APIs to automate network infrastructure. The DevNet Associate certification validates the candidates' ability to design, develop, and maintain software applications that interact with network devices and services.
NEW QUESTION # 232
Drag and drop the HTTP status codes from the left onto the correct descriptions on the right.
Answer:
Explanation:
Explanation
1 - B, 2 - D, 3 - A, 4 - C
NEW QUESTION # 233
Refer to the exhibit.
What caused the error in this API request?
- A. The submitted JSON payload includes a field that is not supported by the API resource.
- B. The submitted JSON payload has a formatting issue
- C. The API resource does not support the POST operation
- D. The API resource does not support JSON format payloads.
Answer: B
NEW QUESTION # 234
A developer must test the performance and reliability of an application. After functional and load tests are run, the application crashes due to traffic spikes from users. Which type of API constraint must be implemented to maintain reliability?
- A. pagination
- B. payload limits
- C. rate limiting
- D. filtering
Answer: C
Explanation:
Rate limiting, as explained previously, is essential to ensure that an application can handle traffic spikes without crashing. By limiting the rate at which requests are processed, the application can maintain stability and reliability under varying load conditions.
* Traffic Spike Management: Rate limiting helps manage unexpected surges in traffic by capping the number of allowable requests within a specified period.
* Reliability Maintenance: By preventing overloading, rate limiting ensures that the application remains operational and responsive, maintaining its reliability.
References:
* Managing Traffic Spikes with Rate Limiting: Rate Limiting Strategies
NEW QUESTION # 235
What are two use cause where webhooks are effective? (Choose two.)
- A. Close a session with a web server after a specific amount of time.
- B. Filter out information from a response to an API call
- C. Inform a previously defined chat channel after a deployment fate.
- D. Change the response format or content type of an API call.
- E. Send an email to a customer of an online store after payment is complete
Answer: C,E
Explanation:
Webhooks are user-defined HTTP callbacks triggered by specific events. They are effective in scenarios where an automated response to an event is required. For example, informing a chat channel after a deployment event or sending an email after a transaction are practical uses of webhooks. These use cases leverage the real-time capabilities of webhooks to automate responses and notifications based on events.
References:
* Cisco DevNet Associate Study Guide: Event-Driven Automation (Chapter 8, Section: Webhooks and Their Use Cases).
NEW QUESTION # 236
Refer to the exhibit.
Which command, including arguments, is executed when the container starts?
- A. /bin/bash -c "/bin/sleep 30 && nginx -g 'daemon off;'"
- B. /bin/sh -c "/bin/sleep 30" && nginx -g 'daemon off;'
- C. /bin/sh -c "/bin/sleep 10 && nginx -g 'daemon off;'"
- D. /bin/sh -c "/bin/sleep 30 && nginx -g 'daemon off;'"
Answer: D
Explanation:
The Dockerfile shown in the exhibit sets up an NGINX container with a delay before starting the NGINX service. It uses the ENTRYPOINT and CMD directives to define the commands that should be executed when the container starts.
ARG and ENV: These lines define and set an argument and environment variable for the delay.
ENTRYPOINT: Specifies the executable to run, in this case, /bin/sh.
CMD: Provides additional arguments to the ENTRYPOINT, which are -c and the command string to execute.
The combined command that will be executed is: /bin/sh -c "/bin/sleep 30 && nginx -g 'daemon off;'" Reference:
Docker Documentation: ENTRYPOINT
NEW QUESTION # 237
Drag and drop the HTTP status codes from the left onto the correct descriptions on the right.
Answer:
Explanation:
NEW QUESTION # 238
In DNS, which record specifies an alias that refers to another name that ultimately resolves to an IP address?
- A. CNAME
- B. AAA
- C. SOA
- D. NS
Answer: A
Explanation:
https://en.wikipedia.org/wiki/CNAME_record
NEW QUESTION # 239
When a Cisco IOS XE networking device is configured by using RESTCONF, what is the default data encoding method?
- A. application/yaml-data+json
- B. application/yang-data+json
- C. application/xml-data+json
- D. application/json-data+xml
Answer: D
Explanation:
The API resource is the top-level resource located at +restconf. It supports the following media types:
* Application/YANG-Data+XML OR Application/YANG-Data+JSON
https://www.cisco.com/c/en/us/td/docs/ios-
xml/ios/prog/configuration/166/b_166_programmability_cg/restconf_prog_int.pdf
NEW QUESTION # 240
Refer to the exhibit. The sequence diagram shows a RESTful API call. Which step and response will represent the behavior of the REST API call to be synchronous?
- A. POST/discovery?discoveryid= when the discovery is created and get the response from the POST call with the discovery details.
- B. POST/discovery/ when there is a slot available and get the response from the POST call with the discovery details.
- C. GET/discovery/ when the discovery is finished and get the response from the GET call with the discovery requirements.
- D. PUT/discovery/ when the discovery is created and get the response of the discovery when it is updated.
Answer: C
NEW QUESTION # 241
Drag and drop the network automation interfaces from the left onto the transport protocols that they support on the right. Not all options are used.
Answer:
Explanation:
NEW QUESTION # 242
Which HTTP response status code means "Forbidden"?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
Reference: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/403
NEW QUESTION # 243
Drag and Drop Question
Refer to the exhibit. Drag and drop the code from the bottom onto the box where the code is missing to add a subnet to each bridge domain in the Ten1 tenant. Not all options are used.
Answer:
Explanation:
NEW QUESTION # 244
A developer starts to learn about building applications that use Cisco APIs. The developer needs access to Cisco security products in a development lab to test the first new Dlication that has been built. Which DevNet resource must be used?
- A. DevNet Automation Exchange
- B. DevNet Code Exchange
- C. DevNet Sandbox
- D. DevNet Communities
Answer: C
Explanation:
Cisco DevNet Sandbox provides developers with access to a variety of Cisco technologies in a lab environment. It is an essential resource for developers who want to test and build applications using Cisco APIs and products.
* DevNet Sandbox: This platform offers pre-configured, ready-to-use environments that allow developers to experiment with Cisco products, including security products, without the need to set up and configure their own infrastructure.
References:
* Cisco DevNet Sandbox
NEW QUESTION # 245
Refer to the exhibit. An engineer is managing the network of an enterprise. The network is using a distributed deployment model. The enterprise uses database to store logs. The current policy requires logs to be stored if changes are made to the infrastructure in any of the devices on the data centers. Which workflow is being automated by the Bash script?
- A. deleting backup files that are older than 30 days
- B. configuring the directory to delete files automatically
- C. returning backup files that are older than 30 days
- D. automating deletion of all backup files every 30 days
Answer: A
NEW QUESTION # 246
Drag and drop the code from the bottom onto the box where the code is missing to construct a Python script that calls a REST API request. The Python script retrieves a list of tasks from a to-do list for effective project management purposes. Not all options are used.
Answer:
Explanation:
Explanation
NEW QUESTION # 247
Fill in the blanks to complete the statement.
Given a username of "devnet" And a password "Cisco123", applications must create a base64 encoding of the string" ____________ " when sanding HTTP requests to an API that uses _______________ authentication.
Answer:
Explanation:
devnet:Cisco123, Basic
Explanation
Solution as below
NEW QUESTION # 248
What are two key capabilities of Cisco Finesse? (Choose two.)
- A. Gadget containers provide a seamless experience in a single user interface.
- B. Finesse includes an RPC API that enables the development of custom gadgets.
- C. Agents access Finesse from a browser without needing to install or configure anything on the client machine.
- D. An OpenDNS utility is preconfigured and ready to use on Finesse.
- E. Finesse automatically collects telemetry data
Answer: A,C
Explanation:
Cisco Finesse offers several capabilities:
* Browser Access: Agents can access Finesse directly from a browser, eliminating the need for any client-side installation or configuration. This simplifies deployment and maintenance.
* Gadget Containers: Finesse provides a single user interface that integrates multiple gadget containers, allowing for a seamless and unified experience.
Reference: Cisco DevNet Associate documentation on Cisco Finesse, which details its features and benefits, emphasizing ease of access and integration capabilities.
NEW QUESTION # 249
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To prepare for the Cisco 200-901 Exam, candidates can take advantage of various resources, including study materials, online courses, and practice exams. Cisco offers a range of training courses and study materials, including online courses, instructor-led training, and self-paced learning. There are also many third-party resources available on the Internet, such as study guides, practice exams, and online forums, where candidates can discuss and share their experiences with others who are preparing for the exam.
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