The correct answer is A. by designing more energy-efficient products, because Cisco incorporates energy efficiency into its networking infrastructure, hardware architecture, semiconductor development, and product lifecycle strategies.
Cisco's official Circular Transformation reporting explains that improving product performance while maintaining or reducing energy consumption helps customers lower electricity expenses and supports greenhouse gas emissions reduction.
Energy-efficient technology becomes particularly important in enterprise networks, data centers, and telecommunications environments, where equipment often operates continuously.
Cisco implements multiple engineering approaches to improve energy efficiency, including advanced application-specific integrated circuits (ASICs), intelligent power management, efficient power conversion, and improved system-level cooling.
For example, Cisco Silicon One technology can support higher networking throughput while improving energy efficiency relative to less efficient architectures.
Additionally, Cisco's product development emphasizes performance per watt, enabling customers to evaluate technological efficiency alongside capacity and functionality.
Reducing electricity consumption can lower operational expenditure and, depending on the electricity generation mix, reduce associated Scope 2 emissions.
Options B, C, and D are inconsistent with Cisco's sustainability objectives because encouraging unnecessary fuel consumption, increasing fossil fuel dependence, or relying more heavily on coal would undermine emissions reduction efforts.
Cisco's approach therefore combines product innovation, infrastructure efficiency, and operational optimization to support customer sustainability and financial objectives.
[Reference: Cisco Environmental Sustainability, Building a Sustainable Future — Energy Efficiency and Cisco Solutions to Reduce GHG Emissions. Cisco Purpose Reporting Hub, Circular Transformation — Product Use and Efficiency; Cisco, Our Net Zero Goal., Cisco Purpose Reporting Hub+1]