All VoIP phone users at a call center report that they get distorted audio and drops in conversations during peak working hours. A technician updates the firmware on the phones, but the issue persists. Which of the following should the technician do next?
Answer(s): D
Distorted audio and dropped calls affecting all users during peak hours indicate network congestion rather than device configuration issues. Verifying that the voice VLAN has proper Quality of Service ensures VoIP traffic is prioritized over other network traffic, preventing packet loss and latency that degrade call quality.
Which of the following describes a cloud computing system's ability to use changing levels of resources based on demand?
Answer(s): C
Elasticity refers to a cloud system’s ability to automatically scale resources up or down in response to changing workload demands, ensuring efficient use of resources as demand fluctuates.
A technician needs to prevent a 3-D-rendering desktop from throttling. Which of the following is the best way to address this issue?
Thermal throttling occurs when a system reduces performance to prevent overheating. Installing a high-performance heat sink improves heat dissipation from the CPU, maintaining safe temperatures and preventing performance throttling during intensive 3-D rendering workloads.
A customer contacts the help desk to report they can access the corporate fileshare but cannot browse the internet. The technician runs ipconfig and receives the following output:Which of the following is most likely causing the issue?
The system has a valid IPv4 address and subnet mask and can access internal resources, which confirms local network connectivity is working. The absence of a default gateway indicates incorrect next hop information, preventing traffic from being routed to external networks such as the internet.
A workstation is making clicking sounds inside the case. The UEFI POST takes longer than usual, but the system starts up and all the programs function normally. Which of the following should a technician enable in the UEFI to troubleshoot this issue?
Clicking sounds and delayed POST commonly indicate a failing hard drive. Enabling Self-Monitoring, Analysis, and Reporting Technology allows the system to monitor drive health and report potential hardware failures, helping diagnose the issue before total drive failure occurs.
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