Which statement about router interfaces is true?

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Which statement about router interfaces is true?

  • Router LAN interfaces are not activated by default, but router WAN interfaces are.
  • Once the no shutdown command is given, a router interface is active and operational.
  • Commands that apply an IP address and subnet mask to an interface are entered in global configuration mode.
  • A configured and activated router interface must be connected to another device in order to operate.

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