642-053 Routing and Switching SE/FE Exam Practice Tests


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642-053 Routing and Switching SE/FE Exam



Note 1: 642-053 Exhibit and all related diagrams are not shown in demo questions.
Note 2: 642-053 Answers are not shown in demo questions.
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Demo Question 4.


Which statement best describes 802.3af?

A. provides QoS tagging for voice packets
B. enables call accounting and billing
C. provides inline power to IP phones
D. enables separate broadcast domains (voice VLANs) for IP phones
E. enables VLAN tagging


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Answer: C

Explanation:



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