TestOut LabSim A+ Certification Practice Exam

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Which connectors are part of the system case and connect to header pins on the motherboard?

Hard disk LED light; Power Switch
USB ports; Audio jacks
Power cable; Ethernet port
Monitor connections; Mouse port

The correct answer is: Hard disk LED light; Power Switch

The choice involving the hard disk LED light and power switch is correct because these connectors are integral components of the system case that interface directly with the header pins on the motherboard. The hard disk LED light provides a visual indication of disk activity, while the power switch allows the user to turn the computer on and off. Both of these connectors typically attach to the motherboard through a set of pins designated for system case functions, enabling the functionality of both the LED indicator and the power switch. Other options, such as USB ports and audio jacks, refer to external connections that are generally mounted on the case but connect to the motherboard via specific socket connections rather than header pins. Similarly, the power cable and Ethernet port pertain to external connections as well, using different interfaces to connect power and network capabilities respectively. Lastly, monitor connections and the mouse port are intended for input and output devices, not for connecting components within the system case.