Cisco 300-915 DEVIOT Exam Questions Instant Access

Question 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?

Arelational database: MySQL

Bhistorian database: influxDB

Cmessage broker: Apache Kafka

Ddashboard: Node.js web app

Answer : B

Question 2

Which two actions must be completed before starting the process of sending IoT data to the cloud via edge routers? (Choose two.)

AMeasure the voltage, power rating, and quiescent current for the sensors that send data to the cloud.

BGather the hardware (MAC) addresses of local and cloud routers to ensure low latency communication.

CCollect information about the CPU architecture in the cloud and edge to ensure that they match.

DGather the interval, the volume, and the latency that the data must be provisioned with.

ECollect information about growth, required elasticity, and high availability of the provisioning process.

Answer : D, E

Question 3

Refer to the exhibit.

Which protocol is used to make a FlexVPN connection from a Cisco IR829 router to a headend router?

ASSL

BIKEv2

CNAT

DIS-IS

Answer : B

Question 4

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?

Aioxclient application status <iox_application>

Bioxclient application metrics <iox_application>

Cioxclient application getconfig <iox_application>

Dioxclient application info <iox_application>

Answer : D

Question 5

Refer to the exhibit.

The red line represents the energy consumption of an industrial machine. Which two statements about the graphs are true? (Choose two.)

AThe orange graph is expected to drop to zero for a brief period around the midpoint on the x axis.

BThe red graph contains the raw data points.

CThe green graph is the mean value of the data points.

DThe green graph does not give us any valuable information.

EThe orange graph has three values on the y-axis.

Answer : B, C

Question 6

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.)

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

BCommunication mode must be set to half duplex over serial connection.

CSerial cable length should not exceed 1.5 meters.

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

ESet the cable connections based on the PIN layout from the sensor vendor.

Answer : D, E

Question 7

Refer to the exhibit.

A new application has just been developed as a Docker container. What is the missing step for packaging the container ready for deployment in IOx?

APull/push the image to the Docker registry.

BBuild the package.yaml files.

CBuild the package.cert file to sign the app.

DLog in to device manager and load the application.

Answer : B

Cisco Developing Solutions Using Cisco IoT and Edge Platforms 300-915 DEVIOT Exam Questions