Which technology translates human-readable domain names (like [www.example.com](https://www.example.com)) into machine-routable numerical IP addresses? MCQ with Answer and Explanation

Question

Which technology translates human-readable domain names (like [www.example.com](https://www.example.com)) into machine-routable numerical IP addresses?

A. NAT

B. DNS (Domain Name System)

C. ARP

D. DHCP

Answer: Option B

Solution (By JKSSB Mock Tests)

DNS is a distributed database system that translates alphanumeric web domain strings into corresponding target IP locations.

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In a network configured with a hierarchical Tree Topology, what happens if the primary central root device fails completely?

A. Isolated sub-branches can still communicate locally, but communication across separate branches is broken.

B. All data lines transition to half-duplex speed profiles.

C. The network switches to full-mesh configuration automatically.

D. The entire connected network structure collapses and communications stop.

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Correct Answer: Option A

Explanation:
In a tree topology, a root failure isolates separate sub-star branches from each other, though individual branches may still function

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