Cisco 300-915 Practice Exam Dumps 2025

An IoT engineer is responsible for security at an organization. Humans and machines need to be allowed to access services like database or compute on AWS. The engineer decides to implement dynamic secrets.

Which method helps to get this implementation accurate from a security point of view?

Options:

Create a central secret system for humans and machine to obtain very short-lived dynamic secrets to access any service.

Humans cannot be trusted, and each time they authenticate they should be issued with dynamic secrets.

Machines can be trusted, and they can be issued with static credentials.

Maintain a different service associated to secret systems to issue access.

After a user is authenticated by any trusted system, the user can be trusted to use any service.

Question 3

Mosquitto was installed correctly on the Cisco IR829 router as a Cisco IOx application. When the sensor is connected to the broker on the Cisco IR829 router with the default port, the connection is refused (Error Code 5).

Which action should be done to resolve the issue?

Options:

Insert in the IOS config: ip nat inside source static tcp 1883 interface GigabitEthernet0 1883

Insert in the package_config.ini file under section ports: tcp: ["8883"]

Use the correct username and password.

Insert in the package.yaml file under section ports: tcp: ["1883"]

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