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Which of the following should be performed to increase the availability of IP telephony by prioritizing traffic?

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Which of the following should be performed to increase the availability of IP telephony by prioritizing traffic?

 A. NAT
B. Quality of service
C. NAC
D. Subnetting

 Answer
B. Quality of service
GA
Gaurav Arora, Digital Media Lead. 10+ years running paid media and tracking for brands in the USA, UK and Canada.