The Best Valid 200-901 Dumps for Helping Passing 200-901 Exam!
UPDATED Cisco 200-901 Exam Questions & Answer
Cisco 200-901 exam is a 120-minute test that consists of 100-120 multiple-choice questions. 200-901 exam is available in English and Japanese, and it can be taken online or at a Pearson VUE testing center. 200-901 exam fee is $300 USD, and candidates must achieve a passing score of 825 out of 1000 to earn the certification. Cisco recommends that candidates have at least one year of experience in software development, networking, or DevOps before taking the exam. The 200-901 certification is valid for three years, after which candidates must recertify to maintain their credential. Overall, the Cisco 200-901 DevNet Associate Certification Exam is an excellent way for individuals to demonstrate their skills and knowledge in developing and managing applications using Cisco technologies, and it can help them advance their careers in software development and network automation.
Exam Topics
The applicants must develop their knowledge and mastery of the exam domains in advance. The following is the overview of the subject areas that are included in this certification test:
Software Design & Development: The first section measures the proficiency of the test takers in the following:
- Explanation of the advantages of arranging code into functions/methods, classes as well as modules
- Identification of the benefits of general design patterns (Observer and MVC)
- Comparison of data formats
- Utilization of general version control operations with Git
- Description of parsing of general data format to Python data structures
- Comparison of application development methods (waterfall, lean, and agile)
NEW QUESTION # 230 
Refer to the exhibit. Which route does R1 select for traffic that is destined to 192.168.16.2?
- A. 192.168.16.0/27
- B. 192.168.16.0/21
- C. 192.168.26.0/26
- D. 192.168.16.0/24
Answer: A
Explanation:
Section: IP Connectivity
NEW QUESTION # 231
Refer to the exhibit.
Drag and drop the variables from the left onto the item numbers on the right that match the missing assignments in the exhibit.
Answer:
Explanation:
Explanation
1 - A, 2 - C, 3 - B
NEW QUESTION # 232
Refer to the exhibit. A network engineer must configure new interfaces on a set of devices and is planning to use an Ansible playbook for the task. All devices support SSH and NETCONF protocol, and the interface variables are unique per device. In which directory are the YAML files including variables hosted to automate the task with the netconf_config module?
- A. group_vars directory
- B. current working directory
- C. home directory
- D. host_vars directory
Answer: D
NEW QUESTION # 233
Drag and drop the Python code from the left onto the correct step on the right to call a REST API.
Answer:
Explanation:
NEW QUESTION # 234
Which network device monitors incoming and outgoing traffic and decides whether to allow or block specific traffic based on a defined set of rules?
- A. reverse proxy
- B. switch
- C. firewall
- D. load balancer
Answer: C
Explanation:
A firewall is a network device that monitors incoming and outgoing traffic and decides whether to allow or block specific traffic based on a defined set of rules.
* Function of a Firewall:
* Traffic Monitoring: It continuously monitors all traffic passing through it.
* Rule-Based Filtering: It applies predefined security rules to allow or deny traffic.
* Protection: It protects networks from unauthorized access and cyber threats.
* Comparison with Other Devices:
* Switch: A network device that connects devices within a LAN and uses MAC addresses to forward data to the correct destination.
* Load Balancer: Distributes network or application traffic across multiple servers to ensure no single server becomes overwhelmed.
* Reverse Proxy: A server that sits in front of web servers and forwards client requests to those web servers.
Therefore, a firewall is the correct answer because it specifically monitors and filters network traffic based on security rules.
References:
* Cisco Firewalls Overview: Cisco Firewall Products
NEW QUESTION # 235
Refer to the exhibit.
What occurs when the script runs?
- A. The contents of both files are displayed.
- B. File differences are compared.
- C. The files are combined.
- D. The total length of the files is displayed.
Answer: B
Explanation:
The diff command is used to compare the contents of two files and display the differences. The -u option stands for "unified" and shows the differences in a unified format, which includes the lines that differ between the two files along with a few lines of context.
When running the command diff -u file1.txt file2.txt, it compares the two files and shows the differences between them.
References:
* GNU Diffutils: Unified Format
NEW QUESTION # 236
Which two statements describe the advantages of using a version control system? (Choose two.)
- A. It allows developers to write effective unit tests.
- B. It allows for branching and merging so that different tasks are worked on in isolation before they are merged into a feature or master branch.
- C. It provides a system to track User Stories and allocate to backlogs.
- D. It allows multiple engineers to work against the same code and configuration files and mange differences and conflicts.
- E. It provides tooling to automate application builds and infrastructure provisioning.
Answer: B,C
Explanation:
Explanation/Reference: https://www.agileconnection.com/article/picking-right-branch-merge-strategy
NEW QUESTION # 237 
Refer to the exhibit. A developer is creating a Python script to obtain a list of HTTP servers on a network named office_east by using the Cisco Meraki API. The request has these requirements:
* Must time out if the response is not received within 2 seconds.
* Must utilize client certificates and SSL certificate verification.
* Must utilize basic authentication that uses a username of admin and a password of cisco.
* Must save the response to an object named response.
Drag and drop the code snippets from the bottom onto the blanks in the code to meet the requirements. Not all options are used.
Answer:
Explanation:
Explanation:
Reference:
https://community.cisco.com/t5/networking-blogs/authenticating-rest-api-calls-to-dnac-getting-started/ba-p/3658
NEW QUESTION # 238
Which platform has an API that can be used to obtain a list of vulnerable software on user devices?
- A. Cisco Advanced Malware Protection
- B. Cisco Identity Services Engine
- C. Cisco Firepower
- D. Cisco Umbrella
Answer: C
Explanation:
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/security/firepower/630/fdm/fptd-fdm-config-guide-630/fptd- fdm-get-started.html
NEW QUESTION # 239
Drag and drop the capabilities from the left onto the Cisco Network Management Platforms that support the capabilities on the right.
Answer:
Explanation:
Explanation:
NEW QUESTION # 240
A developer creates a script that configured multiple Cisco IOS XE devices in a corporate infrastructure. The internal test environment is unavailable, and no maintenance window is available to test on a low-priority production environment. Which resource is used to test the code before it is applied to the production environment?
- A. Cisco Support
- B. Cisco DevNet Sandbox
- C. Code Exchange
- D. Cisco DevNet Learning Labs
Answer: B
Explanation:
Reference: https://developer.cisco.com/site/sandbox/
The Cisco DevNet Sandbox provides a virtual environment where developers can test their scripts and configurations without affecting production environments. It offers a range of pre-configured labs and environments that mimic real-world scenarios, allowing for thorough testing and validation of code before deployment.
References:
Cisco DevNet Associate Study Guide: DevNet Resources and Tools (Chapter 9, Section: Utilizing Cisco DevNet Sandbox for Testing).
NEW QUESTION # 241
Refer to the exhibit.
Fill in the blank to complete the query parameter and value so that the result set is returned in reverse chronological order (most recent first) based on when message were entered.
Answer:
Explanation:
?sortBy=lastactivity
NEW QUESTION # 242
A developer creates an application that must provide an encrypted connection or API keys. The keys will be used to communicate with a REST API. Which command must be used for the secure connection?
- A. curl -X GET 'https://username.app.com/endpoint/?api_key=12345abcdef'
- B. curl
-X PUSH 'http://username.app.com/endpoint/?api_key=12345abcdef' - C. curl -v 'ftp://username.app.com/endpoint/?api_key=12345abcdef'
- D. curl
-X GET 'http://username.app.com/endpoint/?api_key=12345abcdef'
Answer: A
NEW QUESTION # 243
Fill in the blanks to complete the python script to request a service ticket using the APIC-EM rest API for the user "devnetuser".
Answer:
Explanation:
devnetuserrequestsheader
Explanation:
Solution as below
To request a service ticket using the APIC-EM REST API, the following Python script can be used:
Import necessary libraries (requests and json).
Define the APIC-EM controller's URL.
Create the payload with the username and password.
Set the header to specify the content type as JSON.
Make a POST request to the /api/v1/ticket endpoint with the payload and header.
Parse the JSON response to extract the service ticket.
Reference:
Cisco DevNet Associate Exam Topics: APIs and Automation (understanding how to use REST APIs) APIC-EM API Documentation (provides details on endpoints and request structures)
NEW QUESTION # 244
Which implementation creates a group of devices on one or more LANs that are configured to communicate as if they were attached to the same wire?
- A. WLAN
- B. VLAN
- C. IPsec
- D. HSRP
Answer: B
NEW QUESTION # 245
Drag and drop the function on the left onto the type of plane that handles the function on the right.
Answer:
Explanation:
NEW QUESTION # 246
Refer to the exhibit.
A network engineer wants to use an API to update information about device interfaces. The network devices are deployed in a Cisco DevNet Sandbox and have running interfaces. Which line of code needs to be placed in the snippet where the code is missing?
- A. {'Content-Type': 'application/yang.data+utf8', 'Accept': 'application/ restconf.data+utf8'}
- B. {'Content-Type': 'application/yang.data+xml', 'Accept': 'application/yang.data
+xml'} - C. {'Content-Type': 'application/yang.data+yaml', 'Accept': 'application/yang.data
+yaml'} - D. {'Content-Type': 'application/restconf.data+json', 'Accept': 'application/ restconf.data+json'}
Answer: B
Explanation:
In this question, the network engineer is using the RESTCONF API to update information about device interfaces. The RESTCONF API uses the YANG data modeling language and can encode data in either XML or JSON format. The appropriate headers must be set to specify the content type and the format in which the data is expected.
* RESTCONF API: This API allows network devices to be managed using web-based protocols, and it relies on the YANG data model to represent the configuration data.
* Content-Type and Accept headers: These headers define the media type of the resource. The Content-Type header tells the server what type of data is being sent by the client. The Accept header indicates the type of data that the client can receive from the server.
Option A is the correct answer because it specifies the correct content type and accept headers for using XML with YANG data models in RESTCONF API calls.
Reference:
Cisco DevNet Documentation: RESTCONF API and YANG Models
NEW QUESTION # 247
Drag and drop the characteristics from the left onto the corresponding software development methodologies on the right?
Answer:
Explanation:
NEW QUESTION # 248
Refer to the exhibit.
The server.js Node.js script runs after the Dockerfile creates its container. What is the working directory of the application inside the container?
- A. /app/source
- B. /app
- C. /app/produclion
- D. /source
Answer: B
Explanation:
In the given Dockerfile, the WORKDIR /app command sets the working directory for any subsequent commands to /app. This means that any commands following this line will be executed within the /app directory inside the Docker container. The COPY . . command copies the contents of the current directory on the host machine to the /app directory in the container. Finally, the CMD ["node", "source/server.js"] command specifies the command to run when the container starts, which in this case is node source/server.js.
References:
* Dockerfile Reference - WORKDIR
NEW QUESTION # 249
What are two benefits of using VLANs? (Choose two.)
- A. segments the broadcast domain
- B. enables the logical grouping of devices that belong to different Layer 2 devices
- C. limits the devices that can join the network
- D. allows all network devices to be accessible from any host on the network
- E. extends the broadcast domain
Answer: A,B
NEW QUESTION # 250
Refer to the exhibit.
Fill in the blank to complete the query parameter and value so that the result set is returned in reverse chronological order (most recent first) based on when message were entered.
Answer:
Explanation:
?sortBy=lastactivity
Explanation
NEW QUESTION # 251
Drag and Drop the GIT commands from the left onto the right that add modified local files to a remote repository. Not all options are used
Answer:
Explanation:
Explanation:
git add .
git commit -m "this is my edit"
git push
NEW QUESTION # 252
A developer is writing an application that uses a REST API and the application requires a response from the API. Which element of the response in the conditional check?
- A. status code
- B. URL
- C. Link
- D. headers
Answer: A
NEW QUESTION # 253
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