Users on your network report they can access servers using numerical addresses but not by their names. Which network service is most likely at fault?
The default gateway is down
The dynamic address assignment service is configured incorrectly
The name resolution service is not functioning
The subnet masks on client devices are incorrect
The service responsible for resolving names to numerical addresses is the Domain Name System (DNS). If users can access servers by numerical addresses but not by names, it indicates that the DNS service is not functioning. The Dynamic Host Configuration Protocol (DHCP) assigns network addresses to clients; if it were configured incorrectly, clients might not obtain addresses at all. Incorrect subnet masks on client devices would lead to communication issues but not specifically affect name resolution. A down default gateway would prevent access to external networks but would not impact internal name resolution.
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