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Digital transformation swept the world, and Sing Tao IT Square must also keep pace with the times. To provide richer content, the Sing Tao IT network is critical to driving business, but the pressure on the network is increasing. He Weiguo, general manager of Cisco Hong Kong and Macau, pointed out that the new generation of networks must be able to continuously self-learn, adjust, automate and provide self-protection capabilities to optimize network operations and defend against today's evolving security threats. And the new Cisco Digital Network Architecture (DNA), including DNA Center, Software-Defined Access (SD-Access), Network Data Platform and As*urance ), Encrypted Traffic An*lytics, and Catalyst Drop, which can establish role based, not device-based policies, and push updates to all switches simultaneously, without having to change them one by one. Reduce human error. In addition, DNA Center covers network design, configuration, policies, and as*urance, enabling IT teams to automatically sense user intent. By taking a comprehensive view of the entire network and context, DNA Center can centrally manage all network functions. Cisco's Digital Network Architecture (DNA) with next-generation network technology, a combination of technology and services, can operate in a single system. At the core of the solution, the new Catalyst 9000 switch solution combination can meet the needs of enterprises in terms of mobile, cloud computing, Internet of things and security. The Catalyst 9000 delivers superior security, programmable functionality and operational performance through the Innovative Hardware (ASIC) and Software (IOS XE) layer, coupled with DNA. In addition, the network data platform and guaranteed powerful an*lysis capabilities enable an*lysis of the network. Mas*ive data runs on it, correlates it, and then transforms the data into predictive an*lytics, business intelligence, and actionable insights through machine learning, and guarantees service delivery through the DNA Center. The new program will replace the previous method of purchasing rights with the software subscription method. When purchasing a new Catalyst 9000 switch series, users can directly use multiple features of the DNA software through software subscriptions, either through a pre-bundled software package from Cisco ONE or a single accessory in the series. Software subscriptions are divided into Cisco ONE Essentials and Cisco ONE