A user repоrts thаt pоrtаl.cоmpаny.local sometimes opens the correct internal portal and sometimes redirects to the wrong page. The user runs the command twice: nslookup portal.company.local Result 1 Result 2 Server: dns.company.local Server: dns.company.local Address: 192.168.1.10 Address: 192.168.1.10 Non-authoritative answer: Non-authoritative answer: Name: portal.company.local Name: portal.company.local Address: 192.168.1.80 Address: 192.168.1.200 a) What is the IP address of the DNS server? b) Give one possible security-related reason for this inconsistency. c) Explain what “Non-authoritative answer” means, and describe why it can matter during troubleshooting.