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Difficulty: EasyNetwork and Peripheral Cables and Connectors

Match each cable or connector type on the left with its primary physical characteristic or typical application on the right.

  • RJ458-pin connector used to terminate twisted-pair Ethernet cables
  • USB-CReversible 24-pin connector supporting high-speed data, video output, and power delivery
  • DB-99-pin D-subminiature connector used for serial communication interfaces
  • Molex4-pin power connector commonly used for legacy internal drives and case fans

Answer

RJ45 matches with the 8-pin connector used for Ethernet cables; USB-C matches with the reversible 24-pin connector for data, video, and power; DB-9 matches with the 9-pin D-subminiature connector for serial interfaces; Molex matches with the 4-pin power connector for legacy internal drives and fans.
Each connector type corresponds to its specific physical design and operational use case: RJ45 is an 8-pin modular network connector, USB-C is a 24-pin multi-function reversible connector, DB-9 is a 9-pin legacy serial connector, and Molex is a 4-pin power supply connector for internal devices.

Step-by-Step Solution

1
Identify the standard application of an RJ45 connector.
RJ45 is an 8-pin connector used exclusively for Ethernet networking.
Physical pin count (8P8C) connects twisted-pair conductors to switches and network cards.
2
Identify the key features of a USB-C connector.
USB-C uses a 24-pin reversible design for versatile data, display, and power transmission.
Modern peripheral standard replacing legacy USB connectors.
3
Identify the legacy function of a DB-9 connector.
DB-9 features 9 pins arranged in a D-sub shape used for serial interfaces.
Standard connector for serial RS-232 communications.
4
Identify the purpose of a Molex connector.
Molex is a 4-pin internal power delivery connector.
Provides DC power directly from the PSU to legacy storage devices and fans.

Key Concept

Network and Peripheral Cable/Connector Identification
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Topics

Network and Peripheral Cables and Connectors

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