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CompTIA Server+ SK0-005 · Domain 4: Troubleshooting

Network problems: no connectivity, wrong IP/mask/gateway, DNS resolution failures, duplex mismatch, firewall rules, NIC teaming misconfiguration

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Last reviewed September 25, 2026 · Leer en español

When users say the server is down, the server is often running fine and the problem is on the network path to it. Server+ expects you to recognize common network faults from their symptoms and work through them in a logical order, usually from the physical layer upward.

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