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Cisco 644-344 Exam -

Free 644-344 Sample Questions:

Q: 1
Which three of the following are examples of narrow cast traffic? (Choose three.)
A. Video-orvDemand (VoD) signals
B. Voice over IP (VoIP) signals
C. High-speed data for Internet access
D. National video channels
E. Radio channels
Answer: A,B,C

Q: 2
What should be emphasized when presenting the end-of-line' signal quality calculations to customers?
A. The method of computing the cumulative contribution of all the active devices in the network, particularly the CTB and XMOD component
B. The values that have been assumed for coaxial cablej^ttenuation
C. The power consumption of each active device
D. The insignificance of the optical network contribution
Answer: A

Q: 3
What is the target optical input level to a Cisco node?
A. -17dBm
B. 0 dBm
C. +3dBm
D. +17dBm
Answer: B

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