When creating the lab’s reverse lookup zone, what information identifies the IPv4 network?
Answer
The network ID `10.10.10.0`
Explanation
The reverse-zone wizard asks for the **network ID**, and the lab specifies `10.10.10.0`. This identifies the IPv4 subnet for which reverse records will be stored. The alias `www` is a CNAME name created later, while `condorid.local` is the AD forest domain used in the earlier domain setup. A gateway host name is not the reverse-zone identifier specified by this exercise. **Key takeaway:** Reverse-zone creation is based on the network being mapped, not on a host alias.\n\n**Glossary:** **Reverse lookup zone**: A DNS zone for address-to-name mappings. **Network ID**: The identifier for an IP subnet. **CNAME**: A DNS alias record.
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