The common reason why the AP cannot obtain an IP address is? (Multiple choice)

Question

Options

• AThe address pool configuration is incorrect
• BAddress pool exhaustion
• CIntermediate network problems
• DPOE power failure

• A
  70% (26)
• D
  30% (11)

Explanation

Options A, B, and C are all correct because they each represent a failure point in the DHCP process that prevents an AP from receiving an IP address: a misconfigured address pool (A) means the DHCP server is set up incorrectly and cannot issue valid leases; pool exhaustion (B) means all available addresses are already assigned so no new lease can be granted; and intermediate network problems (C) - such as VLAN mismatches, routing gaps, or firewall rules - block DHCP discovery/offer packets from reaching the server or returning to the AP.

Option D (PoE power failure) is incorrect because it describes a hardware/power problem that would prevent the AP from powering on at all - a device with no power cannot even attempt a DHCP request, so the issue is not "cannot obtain an IP" but rather "cannot operate."

Memory tip: Think of the acronym CCP - Configuration, Capacity, Connectivity. All three must be healthy for DHCP to succeed; PoE is a power problem, not a DHCP problem.

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