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Computer & Networking BasicsTroubleshooting

If a host can communicate with devices in its own subnet but cannot reach remote IP networks, a likely configuration to check first is the?

  • ADefault gateway
  • BMonitor refresh rate
  • CCPU cache
  • DKeyboard layout
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Correct Answer: A. Default gateway
Explanation: Local subnet traffic does not require a router, while remote-network traffic normally depends on a correctly configured and reachable default gateway.
Reference: Standard computer and networking fundamentals: troubleshooting
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