DATA LINK LAYER WIRED NETWORKS
WIRED LANS ETHERNET PROTOCOL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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0.0.0.0
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255.255.255.255
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FFFF.FFFF.FFFF
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AAAA.AAAA.AAAA
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the physical address of the destination host
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Detailed explanation-1: -The ARP Request’s destination was the broadcast MAC address ( ffff. ffff. ffff ). The ARP Request existed for the purpose of resolving Host B’s MAC address, hence the target is Host B.
Detailed explanation-2: -Why would an ARP frame have a destination MAC address of 00:00:00:00:00:00? In the initial ARP request the IP address is known but the MAC address is not so the MAC address is all zeros.
Detailed explanation-3: -As you can see that here destination mac address is 00:00:00:00:00:00:00:00 and destination IP is also mentioned in the packet 192.168. 18.22. This is called “ARP Cache Validation” packet means ARP timeout has expired and switch wants to try the validation the same “is this ARP validate with the same IP".
Detailed explanation-4: -Broadcast frames-IEEE 802.3 defines the broadcast address as a destination MAC address of FF-FF-FF-FF-FF-FF.