After expanding a department in a corporate office, a network administrator is alerted that new users in that department are unable to access network resources. Initial checks reveal that attempts to connect to the network are consistently failing for these users. What should the administrator investigate as the probable cause of this network issue?
There is a misconfiguration in network segment settings.
Unused network ports should be deactivated to reduce load.
The DHCP pool might not have sufficient available network addresses.
Additional wireless access points are needed.