Which of the following protocol map layer 2 addresses to layer 3 - ProProfs Discuss
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Which of the following protocol map Layer 2 addresses to Layer 3 addresses on a TCP / IP network?



A. ARPA
B. ARP
C. AARP
D. RARP
Asked by Olivia, Last updated: Jan 17, 2020

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2 Answers

C. Block

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C. Block, English Professor, M.A, Ph.D, Buffalo

Answered Dec 17, 2018

There are many layers in the Open Systems Interconnection model. These layers include the physical layer, data link layer, network layer, transport layer, session layer, presentation layer and the application layer. RARP is the Reverse Address Resolution Protocol or RARP for short.

This protocol is used in order for a computer network to request from the Internet Protocol because it can only use its link layer from the other layers. It may also have access to its MAC address.

This is its hardware address. The Reverse Address Resolution Protocol should not be confused with the Inverse Address Resolution Protocol. Those are two different protocols. The RARP is the protocol map layer 2 addresses to layer 3 addresses on a TCP/IP network.

 

John Smith

John Smith

Answered Sep 08, 2016

Rarp-a layer 2 address is a mac address. a layer 3 address is a software-configured protocol address. because a normal resolution is considered to be a layer 3-to-layer 2 resolution, the resolution the other way is considered a reverse resolution. on a tcp/ip network, such a resolution is performed by reverse address resolution protocol (rarp). answer a is incorrect because arpa is not an address resolution protocol. answer b is incorrect because address resolution protocol (arp) resolves layer 3 addresses to layer 2 addresses. answer c is incorrect because appletalk address resolution protocol is used, on appletalk networks, to resolve appletalk addresses to mac addresses.
 

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