Katherine has been asked for her opinion on increasing the fault tolerance of the corporate network, which uses TCP/IP, Active Directory, and Windows 2000 computers. Specifically, the one DNS server on subnet A. Users may run into serious problems if that machine ever experiences downtime, or if the link between the two subnets goes down. Each subnet has its own Windows domain controller.
What would you suggest to provide fault tolerance for the network?
- Set up a secondary DNS server on subnet B Configure the primary DNS server on subnet A to send notifications of zone changes to the secondary DNS server.
- Configure DNS on both domain controllers using Active Directory Integrated zones.
- Install a caching-only DNS server on subnet B.
- Set up a secondary DNS server on subnet B and configure it to request refreshes from the master DNS server on subnet A.
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