A network administrator is setting up a DHCP server for a new subnet. To ensure specific department devices always receives the same IP addresses whenever their devices connect to the network, which DHCP setting should the administrator configure?
The correct configuration to ensure a specific range of IP addresses is always distributed to a particular department's devices is to use reservations. DHCP reservations bind specific IP addresses to the MAC addresses of devices, guaranteeing that these devices receive the same IP addresses each time they connect to the network. In contrast, exclusions are used to prevent certain IP addresses from being assigned from a scope; scope defines the entire range of possible IP addresses that can be assigned to devices; and lease time determines how long a device holds an IP address before it must renew its DHCP configuration.
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What exactly are DHCP reservations?
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How do exclusions work in DHCP?
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What is the difference between DHCP lease time and reservations?