A user notices a clicking sound each time they turn on a workstation, and it takes a long time for the system to start up. Which of the following should the technician replace?
Answer(s): B
A repetitive clicking sound during startup combined with slow boot times is a classic indicator of a failing hard disk drive, often caused by mechanical read/write head issues that require the drive to be replaced.
A customer is upgrading an engineering workstation with multiple video cards and storage drives. Which of the following should the customer consider first when identifying a new power supply?
Answer(s): D
When upgrading a system with multiple video cards and storage drives, the total power consumption increases significantly. The power supply must have a sufficient wattage rating to handle the combined load of all components to ensure system stability and prevent power-related failures.
A technician is configuring a laptop with an IP address that will not change but will be assigned dynamically. Which of the following configurations should the technician use to achieve this goal?
A DHCP reservation binds a specific IP address to a device’s MAC address, ensuring the laptop always receives the same IP address while still being assigned dynamically by the DHCP server.
Which of the following resolutions does the Full HD standard use?
Full HD refers to a display resolution of 1920x1080 pixels, commonly known as 1080p, which is a standard resolution for monitors, televisions, and laptops.
Which of the following can be used by a mobile device to access a secure building?
Near-field communication allows a mobile device to communicate wirelessly over very short distances, making it suitable for secure access control systems such as badge replacement and building entry authentication.
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