PDF 350-901 Study Guide

Developing Applications using Cisco Core Platforms and APIs (DEVCOR) Questions and Answers

Question 29

A developer is building an application to access a website. When running the application, an HTTP 403 error

code has been received. How should the application be modified to handle this code?

Options:

Create a loop on cancel the operation and run a new one after the code is received.

Use exponential backoff when retrying distributed services and other remote endpoints.

Build a try/except around the urlopen to find errors occurring in the request.

Redirect the request to an internal web server and make a new request from the internal resource.

Question 30

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?

Options:

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 31

Drag and drop the code from the bottom onto the box where the code is missing in the Python script to execute a REST API call to query all the NTP policy names and print the name of each policy. Not all options are used.

Options:

Question 32

A user is receiving a 429 Too Many Requests error. Which scheme is the server employing that causes this error?

Options:

rate limiting

time outs

caching

redirection

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Developing Applications using Cisco Core Platforms and APIs (DEVCOR) Questions and Answers

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