A small office with 20 devices needs to configure their DHCP server to allocate IP addresses dynamically. After an assessment, the administrator determines that there's a high turnover of temporary devices connecting to the network. Reflecting on this scenario, the administrator decides to shorten the lease time to accommodate the dynamic environment. Within the DHCP settings, they should modify the parameter that determines for how long an IP address is valid before it needs renewal. What is the name of this parameter?
The 'Lease Time' is the correct answer because it is the setting within a DHCP configuration that specifies the duration for which an IP address is allocated to a client before it needs to be renewed. A shorter lease time can help in environments where devices frequently connect and disconnect from the network, ensuring that IP addresses are returned to the address pool sooner and can be reallocated as needed. Increasing the 'Range' would only broaden the total number of IP addresses available, which is not relevant to how long an IP address is assigned to a device. A 'Reservation' is used to assign a specific IP address to a single device based on its MAC address and is persistent, not temporary. 'Scope Options' are configurations allowing for additional settings on a DHCP server, like DNS servers or default gateway, but does not pertain to the lease duration.
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How does DHCP handle IP address allocation?
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What are the implications of a shorter lease time?
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What happens if a device does not renew its lease time?