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 Networking Protocols interview questions  Networking Protocols Interview Questions
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 Networking AllOther interview questions  Networking AllOther Interview Questions
Question 
What is difference between ARP and RARP?
 Question Submitted By :: Guest
I also faced this Question!!     Rank Answer Posted By  
 
  Re: What is difference between ARP and RARP?
Answer
# 1		 
ARP (Address resolution Protocol)converts IP address of 
Destination to physical address by broadcasting in Lan.

The host whose ip address matches replies his physical 
address so data transfer can occur in datalink layer

example:
10.43.5.2->ARP-What is physical address of 10.43.5.3?(to 
all in LAN)

10.43.5.3 -> it is AB:56:89:67:43:78 (to 10.43.5.2)



RARP(Reverse ARP) converts Physical address of Source to 
IP address.

It is used by machine to know what is my IP address? it 
broadcast RARP to all in LAN(Like do you know my IP) The 
RARP server replies that this is your IP

AA:BB:CC:DD:EE:FF:GG->What is my IP address?(to all in LAN)
RARP server -> It is 1.2.4.5 (to AA:BB:CC:DD:EE:FF:GG)
 
Is This Answer Correct ?    2 Yes 0 No
Mohsin
 

 
 
 
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