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300-915 Actual Exam Questions

Last updated on Dec. 16, 2024.
Vendor:Cisco
Exam Code:300-915
Exam Name:Developing Solutions Using Cisco IoT and Edge Platforms (DEVIOT)
Exam Questions:59
97% Passed the exam with this material
 

Topic 1 - Single Topic

Question #1 Topic 1

A company is collecting data from several thousand machines globally. Which software component in the overall architecture is the next destination of the dataflow after the data has been gathered and normalized on the edge data software?

  • A. relational database: MySQL
  • B. historian database: influxDB
  • C. message broker: Apache Kafka
  • D. dashboard: Node.js web app
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Correct Answer: B 🗳️

Question #2 Topic 1

Which data visualization technique should be used to represent an important single metric on a dashboard?

  • A. heatmap
  • B. scatter pot
  • C. gauge
  • D. treemap
Reveal Solution Hide Solution   Discussion  

Correct Answer: C 🗳️

Question #3 Topic 1

When trying to subscribe to an MQTT broker on the internet, the MQTT client is on a private subnet and must be NATed to reach the public broker.
What is the expected outcome when this configuration is in place?

  • A. The client periodically reconnects to the default gateway.
  • B. The client connects only once using the PENDING message to the broker.
  • C. The client periodically reconnects to the broker over the NAT connection.
  • D. The client connects only once using the CONNECT massage to the broker.
Reveal Solution Hide Solution   Discussion  

Correct Answer: D 🗳️

Question #4 Topic 1

Which two states are applications expected to be seen in when they are managed on Cisco IOx? (Choose two.)

  • A. DEACTIVATED
  • B. ACTIVATED
  • C. ALLOWED
  • D. STOPPED
  • E. VALIDATED
Reveal Solution Hide Solution   Discussion  

Correct Answer: BD 🗳️

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