Learn about DHCP leases, which provide temporary IP address assignments to devices on a network. Understand how DHCP leases work and their role in network configuration.
Table of Contents
Question
Which of the following best describes the concept of a DHCP lease?
A. A definition of the scope of addresses to be assigned to a device on the network
B. A reservation of an IP configuration for a device on the network
C. A temporary assignment of an IP configuration to a device on the network
D. A translation of network names to IP addresses for a device on the network
Answer
C. A temporary assignment of an IP configuration to a device on the network
Explanation
A DHCP lease refers to the temporary assignment of an IP address and related network configuration settings to a device by a DHCP server. When a device connects to the network, it sends out a DHCP request. The DHCP server receives this request and dynamically assigns an available IP address from a predefined pool (known as a scope) to the device for a set period of time.
This lease has an expiration time, after which the device must renew the lease to continue using that IP address. If the device doesn’t renew and the lease expires, the IP address is returned to the pool for reassignment to another device.
DHCP leases allow for the automatic and central management of IP address allocation. This simplifies network configuration, avoids address conflicts, and conserves the limited IP address space.
So in summary, a DHCP lease is the temporary provisioning of an IP address to a device, not the scope definition, a permanent reservation, or a name to address mapping. The correct answer is that a DHCP lease best describes a temporary assignment of an IP configuration to a device on the network.
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