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a DNS con- figuration option that refers queries to remote forwarders based on the domain name contained within the query
3.
the top-most domains in the DNS namespace hierarchy, such as .com, .org, or .biz
5.
DNS domains that are registered to individuals or organizations, such as Microsoft, HP, dell, etc.
6.
a DNS zone used for reverse lookup queries of IPv4 DNS records
7.
the DNS zone used for reverse lookup queries of IPv6 DNS records
8.
a zone that responds to client requests to map known IP addresses to host names
9.
a DNS replication scope that copies DNS data to all DCs in a domain that are configured as DNS servers
10.
a DNS zone that stores its data in a text file on the DNS server
12.
the process of copying DNS zone data from a server hosting a primary zone to a server hosting a secondary zone
13.
a DNS zone that contains sufficient information to locate authoritative name servers for a DNS domain
Down:
2.
a response from a DNS server that hosts a primary or secondary zone for the DNS domain being queried
4.
using the top-level Internet DNS servers to resolve a query
11.
a DNS configuration option that refers queries that cannot be resolved by the local DNS server to another DNS server on the same network or on a remote network