Networking Concepts第 11 / 100 题
Which protocol resolves an IPv4 address to a MAC address on a local Ethernet segment?
a.DNS
b.ICMP
c.ARP
d.NTP
解析
ARP (Address Resolution Protocol) maps a known IPv4 address to the MAC address needed for Layer 2 delivery. DNS resolves names to IPs, ICMP handles diagnostics, and NTP synchronizes time. ARP operates only within a local broadcast domain.
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