________ a cellular network is expensive, especially with many IoT devices.

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Multiple Choice

________ a cellular network is expensive, especially with many IoT devices.

Bandwidth is the resource that becomes the main driver of cost as you add more IoT devices to a cellular network. Everyone’s devices share the same spectrum and backhaul capacity, so when thousands or millions of devices start transmitting—even in small bursts—the total data demand grows. To keep the network responsive, the operator may need wider channels, more spectrum, additional base stations, and higher backhaul capacity, all of which raise expenses. In IoT deployments, even though individual devices send small amounts of data, the aggregate traffic from many devices quickly scales up the bandwidth required, making bandwidth the limiting and costly factor. Signaling overhead and power use are important considerations in IoT networks, but they relate to control-plane activity and device energy rather than the fundamental limit on data-carrying capacity that drives expenditure as device counts grow. Security is essential but doesn’t directly describe a resource becoming expensive with scale. Bandwidth, by contrast, directly ties to the capacity and cost implications of serving large numbers of devices.

Bandwidth is the resource that becomes the main driver of cost as you add more IoT devices to a cellular network. Everyone’s devices share the same spectrum and backhaul capacity, so when thousands or millions of devices start transmitting—even in small bursts—the total data demand grows. To keep the network responsive, the operator may need wider channels, more spectrum, additional base stations, and higher backhaul capacity, all of which raise expenses. In IoT deployments, even though individual devices send small amounts of data, the aggregate traffic from many devices quickly scales up the bandwidth required, making bandwidth the limiting and costly factor.

Signaling overhead and power use are important considerations in IoT networks, but they relate to control-plane activity and device energy rather than the fundamental limit on data-carrying capacity that drives expenditure as device counts grow. Security is essential but doesn’t directly describe a resource becoming expensive with scale. Bandwidth, by contrast, directly ties to the capacity and cost implications of serving large numbers of devices.

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