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Question

To connect a local computer to a network switch, a technician must crimp an 8-pin __________ connector onto the Ethernet cable and plug it directly into the switch's matching __________.

This question was previously asked in
RRB NTPC 2025 Graduate Level CBT 1 Question Paper (25-Mar-2026) (Shift 3)
The correct answer is

RJ45; LAN port

To solve this question, we need to determine which connector type and port are used for connecting a local computer to a network switch. Let's analyze the given options step-by-step:

  1. RJ45; LAN port:
    • The RJ45 connector is commonly used to terminate Ethernet cables. It is an 8-pin connector that connects network devices.
    • LAN (Local Area Network) ports on a network switch are specifically designed to accommodate an RJ45 plug.
    • This is the correct match for connecting a computer to a switch as it ensures the proper data transmission over Ethernet.
  2. USB; console interface:
    • USB connectors are not used for Ethernet networking.
    • Console interfaces are typically used for configuration purposes, not regular network connections.
    • This option does not fit the requirement of connecting a computer to a network switch for Ethernet connectivity.
  3. BNC; coaxial socket:
    • BNC connectors are used for coaxial cables, primarily in older networking standards and video applications.
    • Coaxial sockets are not used in standard Ethernet networking with modern switches.
    • This option is not suitable for the context of the question.
  4. RJ11; telephone jack:
    • The RJ11 connector is commonly used for telephone connections, not for Ethernet networking.
    • Telephone jacks do not support Ethernet communication with a network switch.
    • Therefore, this is an incorrect choice for connecting a computer to a network switch.

Conclusion: The correct answer is RJ45; LAN port, as this combination appropriately describes the components needed to connect a computer to a network switch using an Ethernet cable.

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