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Why are static ARP entries often regarded as a technique that does not scale well?
Because they must be altered whenever a new device is purchased and added to a network.
Because device MAC addresses frequently change.
Because these static entries are deleted if the device powers down.
Because static ARP entries are not available for use over wireless networks.
Maintaining static ARP entries can become time consuming and easy outdated if when new devices are regularly added to a network or when old devices are removed permanently. Static ARP entries are stored in the ARP cache permanently, so unlike the dynamic ARP cache, they remain stored unless explicitly removed by an administrator.
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