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U.K.-listed Pearson is the world's largest educational provider. The company has been disposing of noncore businesses such as the Financial Times, The Economist, and publishing house Penguin, and is now focused on being an educational resource and testing provider. While Pearson's primary activity centres on higher-level education, the firm also has significant operations in providing clinical assessments, professional certification and testing.
Ciena Corp is a network and technology company. It provides network hardware, software, and services that support the transport, switching, aggregation, service delivery, and management of video, data, and voice traffic on communications networks. It serves various industries such as communication services providers, web-scale providers, cable operators, government, and large enterprises world-wide. The business activities function through Networking Platforms which generates maximum revenue; Platform Software and Services; Blue Planet Automation Software, and Global Services segments. Geographically, the company derives a majority of its revenue from the Americas, and the rest from the Asia-Pacific (APAC), and Europe, Middle East, and Africa (EMEA) region.