A network technician enters the command ipconfig $/$release followed by ipconfig $/$renew in order to ensure that the DHCPIP configuration on a workstation is updated. However, the workstation does not receive a valid IP configuration for the network. Which two problems may exist on the network $??$

$($Choose two$)$

The gateway router address needs to be updated

There is a DHCP server issue

The DHCP lease time is misconfigured

The ipconfig $/$all command must be issued to restore all IP configurations

There is no network connectivity to the DHCP server