CompTIA CNX-001 Question Answer
A network administrator is troubleshooting a user's workstation that is unable to connect to the company network. The results of ipconfig and arp -a are shown. The user’s workstation:
A router on the same network shows the following output:
Has an IP address of 10.21.12.8
Has subnet mask 255.255.255.0
Default gateway is 10.21.12.254
ARP table shows 10.21.12.8 mapped to 1A-21-11-31-74-4C (a different MAC address than the local adapter)