What DHCP option provides a client with its domain name suffix, and how is it used for hostname resolution?

• A.DHCP Option 15 is the subnet mask; it is not related to DNS domain name configuration; DHCP leases are permanent by design; renewal only occurs after a reboot. MDNS resolves names through the default gateway's proxy cache on port 53
• B.Domain suffixes must be manually configured on each client; DHCP cannot distribute domain name information
• C.DHCP Option 6 provides the domain suffix; Option 15 provides the DNS server IP addresses
• D.DHCP Option 15 (Domain Name): the DHCP server provides the DNS domain name (e.g., 'corp.local'); the client appends this suffix to unqualified hostnames (e.g., typing 'fileserver' resolves to 'fileserver.corp.local'). Option 119 (Domain Search List) provides an ordered list of suffixes to try