Refer to the exhibit.

Which command needs to be placed on the box where the code is missing to output the value of page_jd in the Python 3.7 script?
A)

B)

C)

D)

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?

What is the purpose of a firewall in application deployment?

Which response status code is used by a RESTful interface to indicate successful execution of a request?

A developer creates a web application that receives a username and password and uses them to sync the credentials to other services through HTTPS. API keys to services are part of the configuration files of the application, but the credentials to the database that stores the synchronization logs are obtained through an external vault service. What is the security issue in this scenario?