How does a DNS server improve network efficiency when resolving domain …

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CCNA 1 — ITN · Module 15 · DNS · Services

How does a DNS server improve network efficiency when resolving domain names?

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A.by caching DNS records to reduce the number of external queries

B.by permanently storing all DNS records for faster access

C.by compressing DNS records to decrease their size

D.by using round-robin scheduling to balance the load across multiple servers

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