When a host knows its physical address but not its IP address, it can

1.	When a host knows its physical address but not its IP address, it can use _____.
A.	RARP
B.	ARP
C.	IGMP
D.	ICMP
E.	None of the above
Answer» B. ARP

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When a host knows its physical address but not its IP address, it can use _____.

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