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Telefonica SA, operating under the ticker TEF, is a multinational telecommunications company headquartered in Madrid, Spain. Founded in 1924, the company offers a wide array of services including fixed and mobile telephony, broadband, and digital television to customers across Europe and Latin America. Telefonica is also engaged in digital services such as cybersecurity, IoT, big data, and cloud solutions, catering to both individual consumers and business clients.

Cisco Systems is the largest provider of networking equipment in the world and one of the largest software companies in the world. Its largest businesses are selling networking hardware and software (where it has leading market shares) and cybersecurity software such as firewalls. It also has collaboration products, like its Webex suite, and observability tools. It primarily outsources its manufacturing to third parties and has a large sales and marketing staff-25,000 strong across 90 countries. Overall, Cisco employs 80,000 people and sells its products globally.