If training.citrix.com cannot be resolved from the resolver cache or Local DNS, where will the request be forwarded next?

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Multiple Choice

If training.citrix.com cannot be resolved from the resolver cache or Local DNS, where will the request be forwarded next?

Explanation:
When a DNS resolver can’t answer from its cache or the local DNS, it starts by going to the top of the DNS hierarchy: a root name server. Root servers don’t hold the records for individual domains; instead, they direct the resolver to the correct top-level domain server (for example, the .com server). From there, the resolver queries the .com TLD server to find the authoritative server for citrix.com, and finally asks that authoritative server for training.citrix.com. So the immediate next hop after a cache/local miss is the root server, which initiates the path to the right TLD.

When a DNS resolver can’t answer from its cache or the local DNS, it starts by going to the top of the DNS hierarchy: a root name server. Root servers don’t hold the records for individual domains; instead, they direct the resolver to the correct top-level domain server (for example, the .com server). From there, the resolver queries the .com TLD server to find the authoritative server for citrix.com, and finally asks that authoritative server for training.citrix.com. So the immediate next hop after a cache/local miss is the root server, which initiates the path to the right TLD.

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