The DHCP server leases IP addresses 10.162.233.158 to WBAC11 for a period of 14 days. At
which of the following times would WBAC11 send an initial request to the DHCP server to renew
the IP address lease?
A.
Day 4
B.
Day 6
C.
Day 8
D.
Day 10
Explanation:
When a scope is created, the lease duration is set to eight days by default. However, there are situations when the administrator might want to change the lease duration. The following are examples of adjusting the lease duration due to individual network consideration:
An organization has a large number of IP addresses available and client configurations rarely change. The administrator increases the lease duration to reduce the frequency of lease renewal exchanges between clients and the DHCP server. Because the DHCP clients are renewing their leases less frequently, DHCP-related network traffic is reduced.
An organization has a limited number of IP addresses available and client configurations change frequently or clients move often in or out of the network. The administrator reduces the lease duration to increase the rate at which unused addresses are returned to the available address pool for reassignment.
For example, consider the ratio between connected computers and available IP addresses. If 40 computers share 254 available addresses, the demand for reusing addresses is low. A long lease time, such as a few months, might be appropriate in such a situation. However, if 230 computers must share the same address pool, demand for available addresses is higher, and a shorter lease time (for example, a few days), is more appropriate.
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