SK0-005 Question #52: Real Exam Question with Answer & Explanation

Question

After configuring IP networking on a newly commissioned server, a server administrator installs a straight-through network cable from the patch panel to the switch. The administrator then returns to the server to test network connectivity using the ping command. The partial output of the ping and ipconfig commands are displayed below: The administrator returns to the switch and notices an amber link light on the port where the server is connected. Which of the following is the MOST likely reason for the lack of network connectivity?

Options

• ANetwork port security
• BAn improper VLAN configuration
• CA misconfigured DHCP server
• DA misconfigured NIC on the server

Explanation

{"question_number": 10, "question": "After configuring a newly commissioned server, the administrator notices an amber link light on the switch port where the server is connected.", "correct_answer": "A. Network port security", "explanation": "An amber (orange) link light on a managed switch port-especially when a newly commissioned server with a previously unknown MAC address is connected-is a classic indicator that port security has triggered a violation. When port security is enabled on a switch port, connecting an unrecognized MAC address can place the port in an err-disabled state, shown as an amber light. The port blocks traffic while appearing physically connected, explaining why ping fails despite a cable being in place. An improper VLAN (B) would still allow the port to show a green link light; the server would simply be on the wrong network segment. A misconfigured DHCP server (C) would fail to assign an IP address but the link light would be green because the Layer 1 and Layer 2 connection would still be up. A misconfigured NIC (D) would likely prevent the link from being established at all rather than produce an amber violation state on the switch.", "generated_by": "claude-sonnet", "llm_judge_score": 5}

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