Cisco 300-915 Online Practice Questions and Exam Preparation

Cisco 300-915 Online Questions & Answers

• Question 11:

  

  Refer to the exhibit. Which line of code completes the Dockerfile?

  A. RUN chmod 777 /usr/bin/sample.py
  B. RUN chown root:root /usr/bin/sample.py
  C. WORKDIR /usr/bin
  D. USER root
  A. RUN chmod 777 /usr/bin/sample.py

• Question 12:

  Which two commands inside a Docker container on a gateway help to troubleshoot why the compute performance of the device is slowing down? (Choose two.)

  A. show processes
  B. top
  C. wmic
  D. ps
  E. proc
  B. top
  D. ps

• Question 13:

  After an application is deployed, potential issues arise around connectivity. As part of the troubleshooting process, the IP address must be determined to ensure end-to-end communication.

  Which method provides the required details using the Cisco IOx CLI?

  A. ioxclient application status
  B. ioxclient application metrics
  C. ioxclient application getconfig
  D. ioxclient application info
  D. ioxclient application info

• Question 14:

  A customer is deploying sensors with Cisco IR829 routers in moving trucks to continuously monitor the health of engines using a cloud application. Which data extraction and processing strategy is best suited in this environment?

  A. No need to store data locally, upload in real time to the cloud for processing.
  B. Generate local alerts and create reports at the edge, and upload to the cloud at the end of the day.
  C. Use the store and forward mechanism to upload the information at the earliest to cloud.
  D. Ensure that data is stored for a longer duration locally and upload to the cloud every week.
  B. Generate local alerts and create reports at the edge, and upload to the cloud at the end of the day.

• Question 15:

  DRAG DROP

  Drag and drop the tasks from the left into the correct order on the right for transporting data from sensors to the cloud, in order to extract the machine data and use the cloud-based analytics for predictive maintenance.

  Select and Place:

  

  

• Question 16:

  An IOx application is installed via Local Manager. Every time the application is started, it instantly stops. Which troubleshooting steps should be taken?

  A. There is something wrong with the application code itself.
  B. Check the startup and entrypoint parameters.
  C. Give the IOx application more CPU units.
  D. Check local IOx settings, especially the network settings.
  C. Give the IOx application more CPU units.

• Question 17:

  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?

  A. Insert in the IOS config: ip nat inside source static tcp 1883 interface GigabitEthernet0 1883
  B. Insert in the package_config.ini file under section ports: tcp: ["8883"]
  C. Use the correct username and password.
  D. Insert in the package.yaml file under section ports: tcp: ["1883"]
  C. Use the correct username and password.

• Question 18:

  

  Refer to the exhibit. Which protocol is used to make a FlexVPN connection from a Cisco IR829 router to a headend router?

  A. SSL
  B. IKEv2
  C. NAT
  D. IS-IS
  B. IKEv2

• Question 19:

  What is a major difference of MQTT in terms of design compared to AMQP?

  A. MQTT requires more bandwidth.
  B. MQTT has very low overhead.
  C. MQTT has more advanced routing features for messages.
  D. MQTT provides routing based on headers.
  B. MQTT has very low overhead.

• Question 20:

  DRAG DROP

  An engineering team developed a solution that gathers data via a proprietary protocol (TCP/IP based) to a IR1101 gateway, which then sends the data to the cloud. Drag and drop the action steps from the left into the correct order on the right to get this solution to operate. Not all options are used.

  Select and Place: