TestOut LabSim A+ Certification Practice Exam

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What is a common use for a DB-15 connector on a sound card?

Microphone input
Monitor connection
MIDI port
Network connection

The correct answer is: MIDI port

A DB-15 connector on a sound card is commonly used as a MIDI port. MIDI, which stands for Musical Instrument Digital Interface, is a standard protocol that allows electronic musical instruments, computers, and other devices to communicate and synchronize with one another. The DB-15 connector, often recognized for its D-subminiature shape with 15 pins, effectively facilitates the connection of MIDI-compatible devices, allowing for the transfer of musical performance data and control signals. This makes it essential for musicians and audio engineers working with digital audio workstations and various musical equipment. The other options do not accurately reflect the typical functions associated with a DB-15 connector on a sound card. A microphone input generally uses a different type of connector, such as a 3.5mm audio jack or an XLR connector. A monitor connection is usually made through VGA or HDMI ports, rather than a DB-15. Finally, network connections typically utilize RJ-45 connectors, which are distinct from the DB-15 format.