Mdns — CompTIA A+ Core 1 (220-1101) Practice Questions
Multicast DNS (mDNS) is a zero-configuration protocol that allows devices on a local network to resolve hostnames to IP addresses without a traditional DNS server, operating on the 224.0.0.251 multicast address and port 5353. The 220-1101 exam references mDNS primarily in the context of printer and service discovery on small or home networks. When a device sends an mDNS query, all other mDNS-capable devices on the same subnet can respond, enabling automatic detection of printers, media servers, and other shared resources. Technicians should understand that mDNS operates only within a single broadcast domain and does not cross routers.
Free questions on mdns
A technician needs to deploy a network printer that will be shared among 50 users on the same subnet. Which protocol should be used for automatic printer discovery?
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