Free 300-915 sample questions
Real questions from the Developing Solutions Using Cisco IoT and Edge Platforms (DEVIOT) practice bank, with the correct answer and an explanation for each one. No junk, no filler.
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A developer is tasked with creating a Python script to automate the deployment of an IOx application to a fleet of 500 edge gateways managed by Cisco's Gateway Management Module (GMM). The script needs to authenticate with the GMM API, upload the application package, and then initiate the deployment. Which GMM API endpoint is used to obtain the authentication token required for subsequent API calls?
An IOx application designed for an x86_64 development environment fails to start on a Cisco IC3000 gateway, which uses an ARM64 architecture. The application log shows an 'exec format error'. The developer needs to modify the Dockerfile to build a multi-architecture image. Which two Dockerfile modifications are required to resolve this issue? (Select TWO).
A utility company uses Cisco Edge Intelligence to collect data from various sensors over Modbus. The data needs to be transformed and then sent to both an on-premises historian and an AWS IoT Core endpoint. Which component within the Edge Intelligence data logic is responsible for converting the raw Modbus data into a standardized JSON format before it is processed further?
True or False: In a secure software development life cycle (SDLC) for an IoT application, Dynamic Application Security Testing (DAST) is primarily used to analyze source code for vulnerabilities before the application is compiled.
A logistics company wants to track its fleet of vehicles using low-power sensors that report their location periodically. The vehicles often travel through areas with intermittent cellular connectivity. The primary requirements are minimal power consumption for the sensors and guaranteed delivery of location data once connectivity is restored. Which messaging protocol and QoS level combination best meets these requirements?
An operations team needs to create a dashboard to monitor the health of hundreds of industrial machines. The most critical metric for each machine is its current operational temperature, which must be immediately visible with a clear indication of whether it is within safe, warning, or critical ranges. Which data visualization technique is most suitable for this specific requirement?
A network administrator is tasked with troubleshooting an IoT deployment where sensors are connected to a Cisco IE-3300 switch. The sensors communicate using LoRaWAN to a gateway, which is then connected to the switch. The administrator suspects a misconfiguration in the data flow between the gateway and the upstream router. Which operational technology component is responsible for the long-range, low-power wireless communication in this scenario? graph TD subgraph Industrial Zone Sensor1[LoRaWAN Sensor] --> Gateway Sensor2[LoRaWAN Sensor] --> Gateway Gateway[LoRaWAN Gateway] --> Switch{IE-3300 Switch} end Switch --> Router[IR1101 Router] Router --> Cloud((Cloud))
When comparing edge computing devices like the Cisco IC3000 to centralized cloud compute resources for an industrial video analytics application, which factor is the most compelling reason to process the video feeds at the edge?
A developer is creating a `package.yaml` manifest file for a new IOx application. The application requires access to the device's serial port (ttyS1) and needs a persistent storage volume to save configuration files. Which section of the `package.yaml` file is used to define these hardware and storage access requirements?
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