After receiving an IP lease from a DHCP server, when will a client first contact the DHCP server again to renew
the lease?

A.
After ¼ of the lease has expired

B.
After ½ of the lease has expired.

C.
After ¾ of the lease has expired

D.
After the entire lease has expired

Explanation:
https://www.sqa.org.uk/e-learning/NetInf101CD/page_61.htm