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Some basic interview QA Genrally ask in interviews. Below are some potential interview questions and answers related to Azure IoT solutions. These questions cover a range of topics, including architecture, security, and practical applications:
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You can use X.509 certificates to authenticate devices to your IoT hub. For production environments, we recommend that you purchase an X.509 CA certificate from a professional certificate services vendor. You can then issue certificates within your organization from an internal, self-managed certificate authority (CA) chained to the purchased CA certificate as part of a comprehensive public key infrastructure (PKI) strategy. For more information about getting an X.509 CA certificate from a professional certificate services vendor, see the Get an X.509 CA certificate section of Authenticate devices using X.509 CA certificates.
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IoT devices An IoT device is typically made up of a circuit board with sensors attached that uses WiFi to connect to the internet. For example: 1) Temperature and humidity sensors refrigerator and air-condition. 2) Smart Home devices and appliances. 3) Payment Terminals 4) Smart wearables
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Azure SQL Database provides industry leading high availability guarantee of at least 99.99% to support mission critical and a wide variety of applications that need to be always available. Azure SQL Database also has capability to have turn key business continuity solution that lets you perform quick disaster recovery in the event of a regional outage. This article contains valuable information to review in advance of application deployment.
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