Which device segment can map logical names to physical IP pathways, functioning as the primary directory index framework of the public internet? MCQ with Answer and Explanation

Question

Which device segment can map logical names to physical IP pathways, functioning as the primary directory index framework of the public internet?

A. Domain Name System (DNS)

B. Network Address Translation (NAT) table

C. DHCP Allocation Pool

D. Address Resolution Protocol (ARP) index

Answer: Option A

Solution (By JKSSB Mock Tests)

DNS functions as a public directory system, converting human-readable web domains into numerical IP locations.

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Question #1

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Which device is used to connect multiple computers in a LAN using twisted-pair cables?

A. Router

B. Modem

C. Hub or switch

D. Firewall

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Correct Answer: Option C

Explanation:
Hubs and switches are used to interconnect devices within a LAN.

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Question #2

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What new address standard was designed to replace IPv4, utilizing 128-bit addresses to eliminate global address exhaustion issues completely?

A. IPX/SPX

B. IPv6

C. IPv5

D. IPv8

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Correct Answer: Option B

Explanation:
IPv6 addresses are 128 bits long, written as hexadecimal strings separated by colons, offering a vast array of unique addresses.

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Question #3

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What does the acronym ARP stand for?

A. Access Resolution Protocol

B. Address Resolution Protocol

C. Address Routing Protocol

D. Advanced Routing Protocol

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Correct Answer: Option B

Explanation:
ARP is used to map an IP address to a physical MAC address in a local network.

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