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NCTI: Troubleshooting Advanced Services Revised Exam Question and Answers [100% Correct] 2024/2025 Update!!

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NCTI: Troubleshooting Advanced Services Revised Exam Question and Answers [100% Correct] 2024/2025 Update!! What steps should be taken to identify the source of a slow internet connection in a residential setup? Begin by checking the modem and router for errors, ensuring all con...

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  • 21 oktober 2024
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NCTI: Troubleshooting Advanced
Services Revised Exam Question and
Answers [100% Correct] 2024/2025
Update!!
What steps should be taken to identify the source of a slow internet connection in a residential setup?
Begin by checking the modem and router for errors, ensuring all connections are secure, and
conducting speed tests at different times of the day.



How can interference from neighboring wireless networks be minimized? Utilize the 5 GHz
frequency band when available, change the channel on the router, and ensure the router is placed in a
central location away from physical obstructions.



What is the procedure for resetting a digital set-top box? Unplug the device, wait for 30 seconds,
and then plug it back in, allowing it to fully reboot.



In what scenarios should a technician recommend replacing a coaxial cable? If there are visible
signs of wear, damage, or corrosion, or if signal loss continues after testing and troubleshooting.



How can one confirm whether an issue is related to the network or the device itself? Conduct
tests on multiple devices connected to the same network; if the issue persists across all devices, the
problem likely lies with the network.



What is a common method for diagnosing voice quality issues in VoIP services? Perform a ping
test to assess latency and packet loss, and check for proper Quality of Service (QoS) settings on the
router.



What steps should be taken to troubleshoot a non-responsive smart TV? Check the TV’s power
supply, ensure it’s connected to the network, and attempt a soft reset by unplugging it for a few minutes.




1

, How can a technician effectively address frequent buffering during video streaming? Verify the
internet speed, ensure no other devices are hogging bandwidth, and check for software updates on the
streaming device.



What does a blinking LED indicator on a modem typically signify? It usually indicates a
connectivity issue, suggesting the modem is attempting to establish a connection with the internet
service provider.



How can you verify if a firmware update on a router has been successfully applied? Access the
router’s settings interface and check the firmware version against the latest available version from the
manufacturer.



What troubleshooting steps should be taken if a customer reports no signal on their cable service?
Check the physical connections, inspect the cable for damage, and verify that the correct input
source is selected on the television.



How can excessive latency in online gaming be resolved? Recommend using a wired connection
instead of Wi-Fi, closing unnecessary background applications, and checking for network congestion.



What actions can be taken to restore service after a power outage? First, ensure that all
equipment is powered on, check for service outages reported by the provider, and reset the modem and
router.



In what way can technicians identify an overloaded network? Monitor the number of devices
connected to the network and observe traffic patterns to see if usage exceeds the available bandwidth.



What is the significance of conducting a traceroute during troubleshooting? It helps to identify
where the data packets are experiencing delays along the path to the destination.



How should technicians approach a situation where customers experience dropped calls on a mobile
service? Investigate network coverage in the area, check for any ongoing maintenance, and
recommend resetting the network settings on the device.




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