A user's computer can connect to internal network resources but cannot access websites on the internet. Other users on the same network do not have this issue. Which of the following should a technician do first to troubleshoot the issue?
Answer(s): A
Since the user can access internal resources but not external websites, the issue likely lies with DNS resolution. Checking and correcting the computer’s DNS settings ensures it can properly resolve domain names to IP addresses for internet access.
Which of the following requires the connector to be attached in a specific orientation?
An HDMI connector has a distinct shape and must be inserted in a specific orientation to fit properly. Unlike reversible connectors such as USB-C or Lightning, HDMI plugs cannot be inserted upside down.
A user is conducting a meeting using a monitor. However, the user notices a transparent image of a clock over the presentation. The technician thinks that the issue is caused by burn-in. Which of the following should the technician do to test this theory?
Answer(s): B
Burn-in is a physical defect where a static image becomes permanently visible on the display. Turning off the monitor helps confirm if the image persists without a video signal - if the ghost image remains visible when powered off, it confirms burn-in.
A user accidentally leaves their smartphone in a taxi. Which of the following can help the user locate the misplaced smartphone?
Answer(s): C
Smartphone location tracking relies on GPS satellites to determine the device’s position. Using satellite-based GPS, the user can locate their misplaced smartphone through built-in “Find My Device” or similar tracking services.
Users have noticed their devices are frequently disconnecting or experiencing slow speeds in the company lobby, but the Wi-Fi signal is strong. Which of the following is the first step to troubleshoot the issue?
Even with a strong Wi-Fi signal, interference from devices such as microwaves, Bluetooth devices, or nearby access points can cause slow speeds or disconnections. The first step is to inspect for and identify potential interference sources or obstacles affecting signal quality.
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