Which three are Cisco differentiators when comparing with competitors in collaboration technology? (Choose three.)

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Which three are Cisco differentiators when comparing with competitors in collaboration technology? (Choose three.)

A. Cisco is a dominant leader in the collaboration industry, the only one with architectural vision.
B. Only Cisco can provide a complete product and services portfolio for collaboration solutions.
C. Unlike other competitors in unified communications, Cisco also delivers its own networking and data center solutions.
D. Cisco works closely with an industry-leading network of partners and resellers and does not compete with them. E. Only Cisco can deliver integrated telepresence solutions.