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The cisco telepresence portfolio provides industry-leading video-conferencing solutions , how does the Cisco acquisition of tandberg strengthen its position?()

A.it will give cisco products A strategic advantage by providing privileged access to the TIP
B.it enables cisco to eliminate product redundancies and improve margins
C.it provides cisco with its first high-end telepresence offering
D.it allows cisco to quickly broaden its product portfolio to better serve customer needs

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