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300-915 Developing Solutions Using Cisco IoT and Edge Platforms (DEVIOT) Question and Answers

Question # 4

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.

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Question # 5

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"]

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Question # 6

Which action should be taken when a southbound device is not connecting?

A.

Verify the gateway link status.

B.

Review the edge application logs.

C.

Verify the sensor status.

D.

Redeploy the edge application.

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Question # 7

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

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Question # 8

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

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Question # 9

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

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