NETWORK LAYER
NEXT GENERATION IP
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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You have a device with a MAC address of e4-36-f8-77-56-6c. What will be the automatically generated link-local address?
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ff02::e636:f8ff:fe77:566c
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2001::e436:f8ff:fe77:566c
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fe80::e636:f8ff:fe77:566c
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ff02::e436:f8ff:fe77:566c
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Explanation:
Detailed explanation-1: -EUI-64 (Extended Unique Identifier) is a method we can use to automatically configure IPv6 host addresses. An IPv6 device will use the MAC address of its interface to generate a unique 64-bit interface ID. However, a MAC address is 48 bit and the interface ID is 64 bit.
Detailed explanation-2: -Take the MAC address and convert the first octet from hexadecimal into binary. Invert the seventh bit. Convert the octet back into hexadecimal from binary. Replace the original first octet with the newly converted one. Add ff:fe: to the middle of the new MAC address. Add fe80:: to the beginning of the address. More items
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