A technician needs to establish a console connection between a new laptop and an older piece of networking hardware, but the interfaces do not match. The networking hardware uses a 9-pin connection for configurations and management. Which type of adaptor should the technician select to facilitate the connection using the laptop?
An adaptor from the laptop's standard peripheral connection to RS-232 serial port
An adaptor from the laptop's standard peripheral connection to Ethernet port
An adaptor from the laptop's standard peripheral connection to HDMI
The correct answer is 'An adaptor from the laptop's standard peripheral connection to RS-232 serial port'. The DB9 9-pin serial connector was commonly implemented for RS-232 serial ports on older equipment for direct management access. Given that modern laptops typically do not have RS-232 serial ports, an adapter is necessary. Options suggesting an Ethernet or storage interface (e.g., 'An adaptor from the laptop's standard peripheral connection to Ethernet port') or an A/V output interface (e.g., 'An adaptor from the laptop's standard peripheral connection to HDMI') are incorrect because Ethernet is for networking, HDMI is for audiovisual, and none are used for 9-pin serial communications.
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What is an RS-232 serial port?
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Why do new laptops usually lack RS-232 ports?
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What type of applications still use RS-232 connections today?