Regenerate 350-901 Exam Answers For Developing Applications Using Cisco Core Platforms & APIs Certification

NEW QUESTION 1
The response from a server includes the header ETag: W/”7eb8b94419e371767916ef13e0d6e63d”. Which statement is true?

• A. The ETag has a Strong validator directive.
• B. The ETag has a Weak validator directive, which is an optional directive.
• C. The ETag has a Weak validator directive, which is a mandatory directive.
• D. The ETag has a Strong validator directive, which it is incorrectly formatted.

Answer: B

NEW QUESTION 2
Where should distributed load balancing occur in a horizontally scalable architecture?

• A. firewall-side/policy load balancing
• B. network-side/central load balancing
• C. service-side/remote load balancing
• D. client-side/local load balancing

Answer: B

NEW QUESTION 3

Refer to the exhibit. Which configuration of method and parameter retrieves the health of a laptop connected to the network from Cisco DNA Center?

• A. PUT; network-health;
• B. GET; client-health;
• C. GET; network-device;
• D. POST; network-device;

Answer: C

NEW QUESTION 4
A developer has created an application based on customer requirements. The customer needs to run the application with the minimum downtime. Which design approach regarding high-availability applications, Recovery Time Objective, and Recovery Point Objective must be taken?

• A. Active/passive results in lower RTO and RP
• B. For RPO, data synchronization between the two data centers must be timely to allow seamless request flow.
• C. Active/passive results in lower RTO and RP
• D. For RPO, data synchronization between the two data centers does not need to be timely to allow seamless request flow.
• E. Active/active results in lower RTO and RP
• F. For RPO, data synchronization between the two data centers does not need to be timely to allow seamless request flow.
• G. Active/active results in lower RTO and RP
• H. For RPO, data synchronization between the two data centers must be timely to allow seamless request flow.

Answer: A

NEW QUESTION 5
A network operations team is using the cloud to automate some of their managed customer and branch locations. They require that all of their tooling be ephemeral by design and that the entire automation environment can be recreated without manual commands. Automation code and configuration state will be stored in git for change control and versioning. The engineering high-level plan is to use VMs in a cloud-provider environment then configure open source tooling onto these VMs to poll, test, and configure the remote devices, as well as deploy the tooling itself.
Which configuration management and/or automation tooling is needed for this solution?

• A. Ansible
• B. Ansible and Terraform
• C. NSO
• D. Terraform
• E. Ansible and NSO

Answer: B

NEW QUESTION 6

Refer to the exhibit. The YAML represented is using the ios_vrf module. As part of the Ansible playbook workflow, what is the result when this task is run?

• A. VRFs not defined in the host_vars file are removed from the device.
• B. VRFs not defined in the host_vars file are added to the device, and any other VRFs on the device remain.
• C. VRFs defined in the host_vars file are removed from the device.
• D. VRFs are added to the device from the host_vars file, and any other VRFs on the device are removed.

Answer: D

NEW QUESTION 7
An automated solution is needed to configure VMs in numerous cloud provider environments to connect the environments to an SDWAN. The SDWAN edge VM is provided as an image in each of the relevant clouds and can be given an identity and all required configuration via cloud-init without needing to log into the VM once online.
Which configuration management and/or automation tooling is needed for this solution?

• A. Ansible
• B. Ansible and Terraform
• C. NSO
• D. Terraform
• E. Ansible and NSO

Answer: E

NEW QUESTION 8
A cloud native project is being worked on in which all source code and dependencies are written in Python, Ruby, and/or JavaScnpt. A change in code triggers a notification to the CI/CD tool to run the CI/CD pipeline.
Which step should be omitted from the pipeline?

• A. Deploy the code to one or more environments, such as staging and/or production.
• B. Build one of more containers that package up code and all its dependencies.
• C. Compile code.
• D. Run automated tests to validate the correctness.

Answer: A

NEW QUESTION 9

Refer to the exhibit. As part of the Ansible playbook workflow, several new interfaces are being configured using the netconf_config module. The task references the interface variables that are unique per device. In which directory is the YAML file with these variables found?

• A. host_vars directory
• B. home directory
• C. group_vars directory
• D. current working directory

Answer: A

NEW QUESTION 10
A developer needs to configure an environment to orchestrate and configure. Which two tools should be used for each task? (Choose two.)

• A. Puppet for orchestration
• B. Terraform for orchestration
• C. Terraform for configuration
• D. Ansible for orchestration
• E. Ansible for configuration

Answer: BE

NEW QUESTION 11
An application uses OAuth to get access to several API resources on behalf of an end user. What are two valid parameters to send to the authorization server as part of the first step of an authorization code grant flow? (Choose two.)

• A. URI to which the authorization server will send the user-agent back when access is granted or denied
• B. list of the API resources that the application is requesting to access
• C. secret that was generated by the authorization server when the application registered as an OAuth integration
• D. list of scopes that correspond to the API resources to which the application is requesting to access
• E. name of the application under which the application registered as an OAuth integration

Answer: AC

NEW QUESTION 12
A developer has completed the implementation of a REST API, but when it is executed, it returns a 401 error message. What must be done on the API to resolve the issue?

• A. Access permission to the resource must be granted, before the request.
• B. Configure new valid credentials.
• C. The requested API endpoint does not exist, and the request URL must be changed.
• D. Additional permission must be granted before the request can submitted.

Answer: D

NEW QUESTION 13
Refer to the exhibit. Which set of API requests must be executed by a Webex Teams bot after receiving a webhook callback to process messages in a room and reply with a new message back to the same room?

• A.
• B.
• C.
• D.

Answer: B

NEW QUESTION 14
Application sometimes store configuration as constants in the code, which is a violation of strict separation of configuration from code. Where should application configuration be stored?

• A. environment variables
• B. YAML files
• C. Python libraries
• D. Dockerfiles
• E. INI files

Answer: B

NEW QUESTION 15
Which HTTP status code indicates that a client application is experiencing intentional rate limiting by the server?

• A. 202
• B. 401
• C. 429
• D. 503

Answer: C

NEW QUESTION 16
Which two statements describe advantages of static code analysis over unit tests? (Choose two.)

• A. It checks for potential tainted data where input is not checked.
• B. It enforces proper coding standards and style.
• C. It performs a quick analysis of whether tests will pass or fail when run.
• D. It checks for race conditions in threaded applications.
• E. It estimates the performance of the code when run.

Answer: BC

NEW QUESTION 17
How should a web application be designed to work on a platform where up to 1000 requests per second can be served?

• A. Use algorithms like random early detection to deny excessive requests.
• B. Set a per-user limit (for example, 5 requests/minute/user) and deny the requests from the users who have reached the limit.
• C. Only 1000 user connections are allowed; further connections are denied so that all connected users can be served.
• D. All requests are saved and processed one by one so that all users can be served eventually.

Answer: D

NEW QUESTION 18

Refer to the exhibit. A company has extended networking from the data center to the cloud through Transit VPC. Which two statements describe the benefits of this approach? (Choose two.)

• A. Dynamic routing combined with multi-AZ- deployment creates a robust network infrastructure.
• B. VPC virtual gateways provide highly available connections to virtual networks.
• C. Dedicated VPC simplifies load balancing by combining internal and external web services.
• D. VPC virtual gateways provide more secure connections to virtual networks.
• E. Dedicated VPC simplifies routing by not combining this service with other shared services.

Answer: BD

NEW QUESTION 19
A container running a Python script is failing when it reaches the integration testing phase of the CI/CD process. The code has been reviewed thoroughly and the build process works on this container and all other containers pass unit and integration testing.
What should be verified to resolve the issue?

• A. that the correct port is exposed in the Dockerfile
• B. that the necessary modules and packages are installed on build
• C. that the script is running from the night directory
• D. that the Python version of the container image is correct

Answer: B

NEW QUESTION 20
Which statement about microservices architecture is true?

• A. Applications are written in a single unit.
• B. It is a complex application composed of multiple independent parts.
• C. It is often a challenge to scale individual parts.
• D. A single faulty service can bring the whole application down.

Answer: B

NEW QUESTION 21
Into which two areas are AppDynamics APIs categorized? (Choose two.)

• A. application-centric
• B. analytics-events
• C. database-visibility
• D. platform-side
• E. agent-side

Answer: DE

NEW QUESTION 22
An organization manages a large cloud-deployed application that employs a microservices architecture. No notable issues occur with downtime because the services of this application are redundantly deployed over three or more data center regions. However, several times a week reports are received about application slowness. The container orchestration logs show faults in a variety of containers that cause them to fail and then spin up brand new.
Which action must be taken to improve the resiliency design of the application while maintaining current scale?

• A. Update the base image of the containers.
• B. Test the execution of the application with another cloud services platform.
• C. Increase the number of containers running per service.
• D. Add consistent “try/catch(exception)” clauses to the code.

Answer: D

NEW QUESTION 23
Refer to the exhibit. An application uses an API to periodically sync a large data set. Based on the HTTP message sequence provided, which statements are true about the caching behavior seen in the scenario? (Choose two.)

• A. The full dataset was transmitted to the client twice.
• B. The dataset changed sometime between message #4 and #5.
• C. A partial dataset was transmitted to the client in message #4.
• D. The dataset did not change during the scenario.
• E. Messages #3 and #5 are equivalent.

Answer: AD

NEW QUESTION 24
An Etag header is included in the HTTP response for an API resource. What are two benefits of using the value of the Etag for future interactions involving the same API resource? (Choose two.)

• A. caching and optimization of response payloads
• B. creating conditional requests
• C. categorizing and comparing this API resource with others
• D. checking the integrity of the resource
• E. requesting the list of operations authorized for this resource

Answer: AB

NEW QUESTION 25
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