Administering Windows Server Hybrid Core Infrastructure (AZ-800) Practice Exam 2025 - Free AZ-800 Practice Questions and Study Guide

Question: 1 / 400

How often do DHCP clients typically attempt to renew their lease?

At 1/4 TTL of the lease duration.

At 1/2 TTL of the lease duration.

DHCP clients typically attempt to renew their lease at 1/2 of the lease duration. This process is known as the "Renewal Request" and it occurs halfway through the lease time to ensure that the client maintains its network connection without interruption.

When a DHCP lease is granted, it is given a specific duration after which the lease expires. To avoid losing network connectivity, clients will reach out to the DHCP server for a renewal at the halfway point, which allows the server enough time to respond and extend the lease if the client is still on the network. This proactive approach helps minimize disruptions in service.

If the renewal request is unsuccessful, the client will attempt to contact the server at the three-quarters point of the lease duration. However, the key operation in this situation is the initial renewal at the half duration, making option B the correct choice.

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At the end of the lease duration.

At 3/4 TTL of the lease duration.

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