多项选择题
A. reducing security breaches B. using the Internet more C. reducing upgrade charges D. adopting new applications and services
A. bundled technical support and maintenance for Cisco networks B. bundled, unlimited support with the purchase of any Cisco product C. technical support, maintenance, and monitoring to Cisco networks D. fee-based add-on support and tech-to-tech assistance for Cisco products
A. SBCS providesPoE through a modular upgrade. B. SBCS supports more analog trunks than the competitors. C. Only SBCS provides bundled conference calling. D. Only SBCS provides a wireless option.