350-901 Cisco Developing Applications using Cisco Core Platforms and APIs (DEVCOR) exact Exam Questions

Developing Applications using Cisco Core Platforms and APIs (DEVCOR)

Last Update 1 hour ago Total Questions : 434

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Question # 51

A developer deploys a SQLite database in a Docker container. Single-use secret keys are generated each time

a user accesses the database. The keys expire after 24 hours. Where should the keys be stored?

Outside of the Docker container in the source code of applications that connect to the SQLite database.

In a separate file inside the Docker container that runs the SQLite database.

In an encrypted database table within the SQLite database.

In a separate storage volume within the Docker container.

Question # 52

Drag and drop the coda snippets from the bottom onto the blanks in the code to implement error handling for an application that will attempt to call a REST API. In the event of an error, the script must back off for 10 seconds before trying again, adding an extra 10 seconds to the backoff period for every failure that occurs. Not all options are used.

Question # 53

A developer deploys a web application in a local data center that is now experiencing high traffic load from users accessing data through REST API calls. Which approach enhances the responsiveness and performance of the API?

Use HTTP POST or other non-read methods for read requests when possible

Ensure that all read requests are clearly identified by the PUT method

Configure API payload to return errors in HTTP 200 responses

Use HTTP standard authorization header to submit authentication credentials

Question # 54

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?

Active/passive results in lower RTO and RPO. For RPO, data synchronization between the two data centers must be timely to allow seamless request flow.

Active/passive results in lower RTO and RPO. For RPO, data synchronization between the two data centers does not need to be timely to allow seamless request flow.

Active/active results in lower RTO and RPO. For RPO, data synchronization between the two data centers does not need to be timely to allow seamless request flow.

Active/active results in lower RTO and RPO. For RPO, data synchronization between the two data centers must be timely to allow seamless request flow.

Question # 55

What are two benefits of using a centralized logging service? (Choose two.)

reduces the time required to query log data across multiple hosts

reduces the loss of logs after a single disk failure

improves application performance by reducing CPU usage

improves application performance by reducing memory usage

provides compression and layout of log data

Question # 56

A custom dashboard of the network health must be created by using Cisco DNA Center APIs An existing dashboard is a RESTful API that receives data from Cisco DNA Center as a new metric every time the network health information is sent from the script to the dashboard Which set of requests creates the custom dashboard?

PUT request to Cisco DNA Center to obtain the network health information and then a POST request to the dashboard to publish the new metric

POST request to Cisco DNA Center to obtain the network health information and then a GET request to the dashboard to publish the new metric

GET request to Cisco DNA Center to obtain the network health information and then a PUT request to the dashboard to publish the new metric

GET request to Cisco DNA Center to obtain the network health information and then a POST request to the dashboard to publish the new metric

Question # 57

Refer to the exhibit.

Which key value pair from the ios_ntp Ansible module creates an NTP server peer?

state: present

state: True

config: present

config: True

Question # 58

Refer to the exhibit. An engineer needs to encrypt communication between two servers using self-signed certificates. Which code snippet must be placed in the blank in the code to complete the generation of the .crt certificate file?

Question # 59

Drag and drop the steps from the left into the order on the right to create the workflow to retrieve the gateway information from a set of Cisco IOS devices. Not all options are used.

Question # 60

Refer to the exhibit.

Drag and drop the correct parts of the Dockerfile from the left onto the item numbers on the right that match the missing sections in the exhibit to complete the Dockerfile to successfully build and deploy a container running a Python application. Not all parts of the Dockerfile are used.