300-915 Online Practice Questions and Answers

DRAG DROP

An application needs to calculate if the product meets a determined quality specification, activate an automation to remove poor quality products, and report detailed results back to the cloud. All data are captured from an application that is connected to a sensor. Using the SDK of the cloud provider, drag and drop the tasks that must be completed from the left to the right. Not all options are used.

Select and Place:

DRAG DROP

The network team of a large international airport is creating a sensor network on their site using the Cisco LoRaWAN solution. Drag and drop the actions from the left to right needed to implement this project. Not all options are used.

Select and Place:

When an RS232 device is connected to a Cisco IR829 router, the data collected is not being parsed correctly by the edge application.

Which two steps should be taken to troubleshoot the issue? (Choose two.)

A. SSH access on the Cisco IR829 router must be enabled for IOx Guest OS.

B. Communication mode must be set to half duplex over serial connection.

C. Serial cable length should not exceed 1.5 meters.

D. Ensure that communication parameters like baud rate and parity are set correctly.

E. Set the cable connections based on the PIN layout from the sensor vendor.

How does the Cisco router (IR) and switch (IE) portfolio support edge data services?

A. Edge data services can be run and managed as containers using Cisco IOx.

B. Edge data services can run only in virtual machines on a separate compute layer.

C. Edge data services are aliases for IR/IE configuration services.

D. Edge data services run as separate instances only on virtual machines.

Refer to the exhibit. Which two statements about data flow are true? (Choose two.)

A. Another AMQP broker should be implemented on the customer cloud.

B. Instead of AMQP, MQTT should be used for compatibility issues in a cloud-to-cloud connection.

C. A VPN tunnel is not necessary because the MQTT payload is encrypted by default.

D. The gateway must stay constantly connected to the Kinetic cloud to avoid blank data sets, even when using caching functions.

E. The Python application could use the paho-mqtt library.

As part of an IoT project, an organization is developing an application that will share multiple clients using a REST API.

Based on the software development process, what are two valid technical activities that can be suggested to secure the REST API that is developed during the development of the software? (Choose two.)

A. Respond to request failures in detail to allow users for easier troubleshooting.

B. Implement HTTP whitelisting to only methods that are allowed.

C. Implement and review audit logs for security-related events.

D. Reject HTTP methods that are invalid with an error code 404.

E. Implement physical firewalling and access control to the resources.

Where are edge data services typically instantiated?

A. at the edge of network

B. in the cloud

C. in the data center

D. in a private cloud

Refer to the exhibit. Which two statements are true? (Choose two.)

A. That is a heatmap projected on top of a geographic map.

B. That is a treemap projected on top of a geographic map.

C. The color red usually stands for lower values and the color blue usually stands for higher values.

D. Another suitable visualization technique for this image would be line graphs.

E. The color blue usually stands for lower values and the color red usually stands for higher values.

Refer to the exhibit. Approximately 4000 oil platforms, each with 400 sensors, are spread in the Gulf of Mexico and all of their data must come together into one dashboard. Which general architecture should be selected to connect them?

A. 4-tier: sensor ?edge device (Intel Atom CPU) ?fog device (Intel Xeon CPU) ?cloud

B. 5-tier: intelligent sensor?edge device (Intel Atom CPU) ?fog device (Intel Xeon CPU) ?edge data center (Intel Xeon CPU)

C. 2-tier: intelligent sensor ?cloud

D. 3-tier: sensor ?edge device (Intel Atom CPU) ?cloud

Refer to the exhibit. The code and the error message that are received when the code is run is presented.

What causes issues authenticating with Cisco GMM API using the web-generated API key?

A. firewall that blocks authentication ports

B. incorrect username and password

C. incorrect GMM Cluster selection

D. incorrect key size and data encryption