Cisco (300-915-DEVIOT) Exam Questions And Answers page 7
Refer to the exhibit. When a laptop is connected to a device via a serial connection, which action makes the output readable?
Reboot the device in case a firmware error is the issue.
Change the power level of the device.
Change the unicode settings to UTF-8.
IoT Edge Computing
Which two actions must be completed before starting the process of sending IoT data to the cloud via edge routers? (Choose two.)
Measure the voltage, power rating, and quiescent current for the sensors that send data to the cloud.
Gather the hardware (MAC) addresses of local and cloud routers to ensure low latency communication.
Collect information about the CPU architecture in the cloud and edge to ensure that they match.
Gather the interval, the volume, and the latency that the data must be provisioned with.
Collect information about growth, required elasticity, and high availability of the provisioning process.
IoT Networking and Protocols
IoT Edge Computing
Refer to the exhibit. Based on the MQTT client output, which action should be taken so that the connection to the broker can be established?
Change the username/password.
Open port 1883 on the network firewall.
Change the IP address of the broker.
Add the certificate.
IoT Networking and Protocols
IoT Security and Privacy
Refer to the exhibit. When a laptop is connected to a device via a serial connection, which action makes the output readable?
Change the baudrate in the connection settings.
Reboot the device in case a firmware error is the issue.
Change the power level of the device.
Change the unicode settings to UTF-8.
IoT Edge Computing
Which computer security concept is violated when a web server is written that uses the root account for all interactions with a Linux system?
principle of least privilege
PermitRootLogin
certificate-based authentication
RBAC
IoT Edge Computing
IoT Security and Privacy
Refer to the exhibit. The code snippet provides information about the packet captures within a network.
How can the most used source IP addresses within a specific time be visualized?
line graph
bar histogram
scatter plot
heatmap
IoT Edge Computing
IoT Data Processing and Analytics
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.)
Which two steps should be taken to troubleshoot the issue? (Choose two.)
SSH access on the Cisco IR829 router must be enabled for IOx Guest OS.
Communication mode must be set to half duplex over serial connection.
Serial cable length should not exceed 1.5 meters.
Ensure that communication parameters like baud rate and parity are set correctly.
Set the cable connections based on the PIN layout from the sensor vendor.
IoT Networking and Protocols
IoT Edge Computing
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