The correct answer is A. DHCP scope.
A DHCP scope is a consecutive range of IP addresses that a DHCP server can select from to fulfill requests from network clients. A DHCP server is a device that automatically assigns IP addresses and other network configuration parameters to devices that request them. A DHCP scope defines the pool of available IP addresses, as well as the subnet mask, default gateway, DNS servers, and lease duration for each IP address. A DHCP scope can also include exclusions, reservations, and policies to customize the IP address allocation process12.
A static IP list is a list of IP addresses that are manually assigned to devices and do not change over time. A static IP list does not require a DHCP server, but it requires more administrative effort and coordination to avoid conflicts or errors. A static IP list is not a consecutive range of IP addresses that a server can select from3.
DNS A records are DNS records that map a domain name to an IPv4 address. DNS is a system that translates human-readable domain names into machine-readable IP addresses. DNS A records are not a range of IP addresses that a server can select from, but a way of resolving domain names to IP addresses.
Automatic private IP addressing (APIPA) is a feature of Windows that allows devices to self-assign an IP address in the absence of a DHCP server or a static IP configuration. APIPA uses the 169.254.0.0/16 address range, which is reserved for link-local communication. APIPA does not create a range of IP addresses that a server can select from, but a fallback mechanism for devices that cannot obtain an IP address from another source.
For more information about DHCP scopes and other related topics, you can refer to the following web search results: DHCP Scope - NETWORK ENCYCLOPEDIA, Managing Microsoft DHCP Scope and other Components - ATA Learning, Dynamic Host Configuration Protocol (DHCP) | Microsoft Learn.
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