Printers in SOHO environments must maintain a consistent IP address so devices can regularly locate them for scanning and printing tasks. CompTIA A+ emphasizes assigning static IPs to network printers to prevent address changes that occur with DHCP.
Laptops can remain DHCP clients because their address consistency is less critical. APIPA cannot communicate across networks and therefore should not be used. Assigning public IPs is incorrect and unsafe.
By giving the printer a static IP within the same subnet, all laptops can reliably access it, and the network remains organized and functional exactly as the A+ objectives recommend.