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NEW QUESTION # 248
Drag and drop the function on the left onto the type of plane that handles the function on the right.
Answer:
Explanation:
NEW QUESTION # 249
What is a benefit of using edge computing in an IoT implementation?
- A. high speed in data processing
- B. low cost in network design
- C. low network design complexity
- D. high availability for network components
Answer: A
Explanation:
Edge computing involves processing data closer to where it is generated (the "edge" of the network) rather than sending it to a centralized data center or cloud for processing. This approach reduces latency and bandwidth usage, providing high-speed data processing capabilities. It is particularly beneficial for IoT implementations where real-time processing and response are crucial.
Reference:
Cisco DevNet Associate Study Guide: IoT and Edge Computing (Chapter 9, Section: Benefits of Edge Computing).
NEW QUESTION # 250
Which type of OWASP threat forges a malicious HTTP request into an application?
- A. CSRF
- B. SQL Injection
- C. XSS
- D. Clickjacking
Answer: A
Explanation:
Cross-Site Request Forgery (CSRF) is a type of attack that forges a malicious HTTP request and sends it from a user's browser to a different site where the user is authenticated. The attacker tricks the user into executing unwanted actions on a web application in which the user is currently authenticated. This can lead to unauthorized actions being performed on the user's behalf.
References:
* Cisco DevNet Associate Certification Guide
* OWASP CSRF Prevention Cheat Sheet
NEW QUESTION # 251
Refer to the exhibit.
- A. It shuts off the device.
- B. It deletes all the device configurations.
- C. It deletes some device configurations.
- D. It adds a new device configuration
Answer: C
Explanation:
The exhibit shows an XML configuration using NETCONF (Network Configuration Protocol) to edit the configuration of a network device. Specifically, the <edit-config> operation is being used with the nc:operation="delete" attribute within the <interface> element. This means that the configuration is intended to delete specific configurations related to the interface named FastEthernet0/0/3.9.
Here is the detailed explanation:
The <rpc> element initiates a remote procedure call.
The <edit-config> element specifies the operation to be performed.
The <target> element with <running> indicates that the changes are to be made to the running configuration.
The <config> element contains the configuration data to be applied.
Within <interfaces>, the <interface> element with nc:operation="delete" specifies that the interface configuration for FastEthernet0/0/3.9 is to be deleted.
This configuration does not affect all device configurations or shut down the device but deletes the specified interface configuration.
Reference:
Cisco DevNet Associate Certification Guide
RFC 6241 - Network Configuration Protocol (NETCONF)
NEW QUESTION # 252 
Which data is specified in the response header?
- A. ''type'', ''switch''
- B. Content-Type
- C. {
"id": "y123987jdkl". HTTP/1.1 200 OK
"status: "online",
"type": "switch"
} - D. HTTP/1.1 200 OK
Answer: B
Explanation:
In the response header shown, the "Content-Type" is specified. Response headers provide important metadata about the response, including the content type, which informs the client about the nature of the returned content (in this case, application/json).
Reference: Cisco DevNet Associate materials on HTTP protocols and headers, detailing the components and their purposes in HTTP responses.
NEW QUESTION # 253
Refer to the exhibit.
Which two statement describe the configuration of the Ansible script is run? (Choose two.)
- A. Traffic on port 0/2 and 0/3 is connected to port 0/6.
- B. Traffic from ports 0/2 to 0/5 can flow on port 0/1 due to the trunk.
- C. GigabitEthernet0/2 and GigabitEthernet0/3 are access ports for VLAN 6.
- D. Traffic can flow between ports 0/2 to 0/5 due to the trunk on port 0/1.
- E. GiabitEthernet0/1 is left unconfigured.
Answer: B,C
NEW QUESTION # 254
Refer to the exhibit.
A developer needs to create a webhook to send all Cisco Webex messages to a third-party tool by using the Cisco Webex API. The developer must Auhenticate with the API before any API calls can be made. To automate the procedure, a Python script is used. Which code snippet must be placed onto the blank in the code?
- A.
- B.
- C.
- D.
Answer: B
Explanation:
Importing Libraries: The script imports the requests and json libraries necessary for making HTTP requests and handling JSON data.
URLs Definition: The url1 variable holds the Webex API endpoint for creating webhooks, and url2 is the target URL where Webex will send the messages.
Token Handling: The token variable contains the OAuth2 token required for authentication with the Webex API.
Setting Headers: The headers dictionary includes the Content-Type set to application/json and the correct Authorization header that uses the Bearer token.
Payload Preparation: The payload dictionary contains the necessary information to create the webhook, including its name, target URL, resource type, and event.
Making the Request: The requests.request method sends a POST request to the Webex API endpoint with the specified headers and payload.
Printing the Response: The response from the Webex API is printed out, encoded in 'utf-8'.
Reference:
Cisco Webex API Authentication
Cisco Webex API Guide
By correctly setting the Authorization header to include the Bearer token, the developer ensures that the script can authenticate and interact with the Webex API as required.
NEW QUESTION # 255
Which model-driven programmability protocol does Cisco IOS XE Software support?
- A. SSH
- B. SOAP
- C. CORBA
- D. gNMI
Answer: D
Explanation:
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/1610/ b_1610_programmability_cg/gnmi_protocol.html
NEW QUESTION # 256
An automation script fails to connect to an internal server exactly 1 out of 2 times it is executed. This behavior is seen from different clients. Which networking device mut be at fault?
- A. Router
- B. Load balancer
- C. Laptop on which the script is running
- D. Switch
Answer: B
NEW QUESTION # 257
Refer to the exhibit.
Drag and drop the descriptors from the left onto the correct parts of the API request and response on the right.
Answer:
Explanation:
Explanation
A - E, B - D, C - B, D - C, E - A, F - F
NEW QUESTION # 258
A new application is being developed that must be hardware independent. The application includes an administrative component which is accessed using a Windows desktop GUI. Installation and management of the environment must be fully automated. Which application deployment type meets the requirements?
- A. bare metal
- B. virtual Python environment
- C. container
- D. virtual machine
Answer: C
Explanation:
A containerized application environment meets the requirements of being hardware-independent and allows for the installation and management of the environment to be fully automated. Containers package the application and its dependencies together, ensuring consistency across different environments. This method is also highly compatible with automation tools and orchestrators like Kubernetes, making deployment and management easier and more efficient.
Reference:
Cisco DevNet Associate Study Guide: Understanding Application Deployment (Chapter 4, Section: Containers and Their Benefits).
NEW QUESTION # 259
Which type of webhooks must be configured to receive all the events that relate to a specific system?
- A. fallback
- B. firehose
- C. broadcast
- D. broadwork
Answer: B
NEW QUESTION # 260
Into which type of Python data structure should common data formats be parsed?
- A. set
- B. sequence
- C. list
- D. dictionary
Answer: D
Explanation:
Common data formats like JSON and YAML are typically parsed into a Python dictionary. This is because dictionaries in Python provide a way to store data in key-value pairs, which is similar to the structure of these data formats.
A . sequence - Incorrect. This is a general term that includes lists, tuples, etc. B. set - Incorrect. A set is an unordered collection of unique elements, which is not suitable for key-value pairs. C. dictionary - Correct. Dictionaries are used to store data in key-value pairs. D. list - Incorrect. Lists are ordered collections of items, which are not suitable for key-value pairs.
Reference:
Python Data Structures
JSON and YAML Parsing
NEW QUESTION # 261
Refer to the exhibit.
A network engineer works on a Cisco DevNet application that is available for download on the Cisco DevNet website. The engineer prepares a bash script to automate operations that relate to the application. Which workflow is being automated in the bash script?
- A. compilation and configuration of the Cisco DevNet application so that it must be started manually
- B. installation and configuration of the Cisco DevNet application so that it starts manually
- C. compilation and installation of the Cisco DevNet application for an autonomous deployment model
- D. compilation, installation, and configuration of the Cisco DevNet application so that it starts automatically
Answer: D
Explanation:
The bash script shown in the exhibit automates the process of downloading, extracting, compiling, installing, and configuring the Cisco DevNet application. It also enables and starts the application automatically.
* Download and Extract: The script uses curl to download a tar.gz file and then extracts it using tar -zxf.
* Compilation and Installation: The ./configure && make && make install commands compile and install the application.
* Enabling and Starting the Service: The systemctl enable devnet and systemctl start devnet commands ensure the application starts automatically on system boot and starts it immediately.
Option B correctly describes the workflow as it includes compilation, installation, configuration, and automatic startup of the application.
Reference:
Cisco DevNet Documentation: Automating DevNet Applications
NEW QUESTION # 262
Which two NETCONF operations cover the RESTCONF GET operation? (Choose two.)
- A. <get-update>
- B. <get-config>
- C. <modify-config>
- D. <get>
- E. <edit>
Answer: B,D
NEW QUESTION # 263
Which two descriptions can be given to an application that is interacting with a webhook? (Choose two.)
- A. Transaction monitor
- B. Codec
- C. Processor
- D. Receiver
- E. Listener
Answer: D,E
Explanation:
In the context of webhooks, an application that interacts with a webhook can be described as a Listener or Receiver:
* Listener: The application waits for incoming HTTP POST requests sent by the webhook.
* Receiver: The application receives the data payloads from the webhook when certain events occur.
Reference:
Cisco DevNet Associate Certification Guide: Chapter on Webhooks and Event-Driven Programming.
Webhook documentation and best practices.
NEW QUESTION # 264
Refer to the exhibit.
An engineer sends the request to collect data over Cisco AMP for Endpoints API. The Engineer must list guide and hostname data for all computers, but the first request returns only 500 items out of 2,000. Then, the engineer adds the loop to collect all the dat a. What must be added to the script where the code is missing to complete the requests?
- A. Option C
- B. Option B
- C. Option D
- D. Option A
Answer: D
Explanation:
To complete the requests and retrieve all the data, the correct code that needs to be added is next_url = response_json['metadata']['links']['next']. This ensures that the script retrieves the URL for the next set of data from the 'links' object within the 'metadata' section of the JSON response. This allows the loop to continue until all data is collected.
NEW QUESTION # 265
Drag and drop the steps from the left into order on the right to create a common CI/CD pipeline process. Not all options are used.
Answer:
Explanation:
NEW QUESTION # 266
Which type of threat occur when an attacker can send hostile data to an interpreter within an application?
- A. Cross-site scripting
- B. Injection
- C. Broken authentication
- D. Sensitive data exposure
Answer: B
NEW QUESTION # 267
Why would a developer compare a current version of code to a previous version?
- A. to troubleshoot code failures
- B. to provide the single source of truth
- C. to track who made a change
- D. to aid in collaboration
Answer: A
Explanation:
Comparing a current version of code to a previous version is a common practice in software development for troubleshooting code failures. This process, often referred to as "diffing," helps developers identify changes that might have introduced bugs or caused the application to behave incorrectly. By pinpointing these changes, developers can more efficiently debug and resolve issues.
Reference:
Atlassian - Comparing code differences
Cisco DevNet Associate Certification Guide
NEW QUESTION # 268
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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.
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