You have been given the task of configuring a new DNS server and giving it a static IP address. The network uses DHCP which is configured to assign IP addresses in the range 192.168.1.100-192.168.1.150 . The network has a subnet range of 192.168.0-192.168.1.255 with a CIDR notation of 192.168.1.0/24. You assign the new DNS server a static IP of 192.168.1.130 as requested by your supervisor. When testing the new DNS server you are unable to contact it on port 53. Given all of this information, what is most likely the issue?

  • Conflicting IP assignments for 192.168.1.130
  • DHCP and DNS are incompatible
  • DNS forwarding needs to be enabled on the switch
  • Firewall blocking port 53

CompTIA A+ 220-1101
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