CompTIA DataX (CNX-001) — Question 79

A call center company provides its services through a VoIP infrastructure. Recently, the call center set up an application to manage its documents on a cloud application. The application is causing recurring audio losses for VoIP callers. The network administrator needs to fix the issue with the least expensive solution. Which of the following is the best approach?

Answer options

• A. Adding a second internet link and physically splitting voice and data networks into different routes
• B. Configuring QoS rules at the internet router to prioritize the VoIP calls
• C. Creating two VLANs, one for voice and the other for data
• D. Setting up VoIP devices to use a voice codec with a higher compression rate

Correct answer: B

Explanation

The best solution is B, as configuring QoS rules at the internet router ensures that VoIP traffic is prioritized, reducing audio loss during calls. Option A, while potentially effective, involves higher costs due to additional infrastructure. Option C separates traffic but does not inherently prioritize it, and option D may degrade audio quality further rather than solving the issue.