A technician receives a call on monday morning that several computers will not connect to the network.<br /> The technician determines that the computers left on over the weekend are functional and those that were turned off over the weekend are not functioning.<br /> Which of the following is the MOST likely source of the problem?()
A、DHCP is not functioning.
B、WINS needs to be restarted.
C、DNS is not functioning.
D、LDAP is not functioning.