300-915 試験問題を無料オンラインアクセス

A network is being configured for an Ethernet-connected sensor. The sensor fails to send data to the configured destination. The IP address of the sensor can be pinged from a laptop on the same subnet. When a different subnet is used, the sensor cannot be reached, but other clients on the same subnet are still accessible.
What are two reasons for the connectivity problem? (Choose two.)

• A.wrong DNS server on the sensor
• B.wrong subnet mask on the sensor
• C.wrong subnet mask on your laptop
• D.wrong default gateway on the sensor
• E.wrong default gateway on your laptop

Which two data sources are used with a visualization tool such as Grafana? (Choose two.)

• A.Tableau
• B.Kibana
• C.Elasticsearch
• D.Microsoft Power BI
• E.InfluxDB

Which lightweight protocol is used to send data from the edge compute resources to the cloud?

• A.MQTT
• B.AMQP
• C.XMPP
• D.MT Connect

Drag and drop the Dockerfile instructions from the left onto the correct arguments on the right.

正解：

An IoT engineer is responsible for security at an organization. Humans and machines need to be allowed to access services like database or compute on AWS. The engineer decides to implement dynamic secrets.
Which method helps to get this implementation accurate from a security point of view?

• A.After a user is authenticated by any trusted system, the user can be trusted to use any service.
• B.Create a central secret system for humans and machine to obtain very short-lived dynamic secrets to access any service.
• C.Maintain a different service associated to secret systems to issue access.
• D.Humans cannot be trusted, and each time they authenticate they should be issued with dynamic secrets.
  Machines can be trusted, and they can be issued with static credentials.