What is the role of Gateway in smart grid architecture of IoT?

store data
manage data
collect data
security

The correct answer is C. collect data.

A gateway is a device that connects two or more networks. In the context of smart grid architecture, a gateway connects the smart grid network to the Internet. The gateway collects data from smart meters and other devices on the smart grid network, and then forwards that data to the cloud for analysis.

The other options are incorrect. Option A is incorrect because the gateway does not store data. Option B is incorrect because the gateway does not manage data. Option D is incorrect because the gateway does not provide security.