PCNSE · Question #443
What type of address object would be useful for internal devices where the addressing structure assigns meaning to certain bits in the address, as illustrated in the diagram?
The correct answer is B. IP Wildcard Mask. An IP Wildcard Mask address object allows you to match IP addresses based on specific significant bits, regardless of their position in the address. This is useful in structured addressing schemes where certain bit positions encode meaning (e.g., building, floor, department) - a
Question
What type of address object would be useful for internal devices where the addressing structure assigns meaning to certain bits in the address, as illustrated in the diagram?
Exhibit
Options
- AIP Netmask
- BIP Wildcard Mask
- CIP Address
- DIP Range
How the community answered
(14 responses)- B86% (12)
- C7% (1)
- D7% (1)
Explanation
An IP Wildcard Mask address object allows you to match IP addresses based on specific significant bits, regardless of their position in the address. This is useful in structured addressing schemes where certain bit positions encode meaning (e.g., building, floor, department) - a wildcard mask lets you write a single rule that matches all addresses sharing those meaningful bits without needing to enumerate every subnet or range. An IP Netmask (A) only works for contiguous prefix-aligned blocks, an IP Range (D) matches a sequential range, and an IP Address (C) matches only a single host - none of these can express non-contiguous bit patterns the way a wildcard mask can.
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