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Using the MAC 8c-ec-4b-5b-61-9d, what is a valid EUI-64 link local address?
Suggested Answer: B
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26 comments · newest first
VI
Vilma
10 months ago
Wait, isn't option B also valid? I'm confused.
BE
Beatriz
10 months ago
Definitely option D, it follows the right format!
VI
Vivan
10 months ago
The EUI-64 format uses the MAC address to create a link-local address.
FE
Fernanda
10 months ago
No way, option C is not even a link-local address!
TY
Ty
10 months ago
I thought link-local addresses always start with fe80::, so D is the one!
IS
Isidra
11 months ago
I think the valid EUI-64 should have the fe80:: prefix, but I can't recall if it's option B or D.
TW
Twanna
11 months ago
I’m a bit confused about the difference between the link-local and global addresses. I hope I remember the right prefix!
GE
Gerald
11 months ago
I remember practicing with MAC addresses and EUI-64, and I feel like option D looks familiar.
CR
Crista
11 months ago
I think the EUI-64 format starts with fe80 for link-local addresses, but I'm not entirely sure about the rest.
DA
Danica
12 months ago
Ugh, IPv6 addressing is such a pain. I wish they would just stick to the good old IPv4 format. Oh well, time to put on my thinking cap and figure this out.
BE
Beata
12 months ago
Alright, let me break this down. I need to take the MAC address, insert the "ff:fe" in the middle, and then prepend "fe80::" to get the link local address. I think I've got it!
RO
Rossana
12 months ago
Wait, what's the difference between a link local address and a global unicast address again? I'm a bit fuzzy on the details there.
FR
Frank
1 year ago
Okay, I've got this. I just need to convert the MAC address to the proper EUI-64 format. I'm confident I can nail this question.
AF
Afton
1 year ago
Hmm, this looks like a tricky one. I'll need to think through the process step-by-step to get the right EUI-64 address.
SH
Shawnta
1 year ago
Yeah, I agree. D is the way to go. The key is to take the MAC address and insert the 'ff:fe' in the middle, then convert it to the EUI-64 format.
HE
Herman
1 year ago
User 3: Thanks for the explanation, I understand now
AS
Ashton
1 year ago
User 2: I agree, that's the correct EUI-64 link local address
RO
Rosendo
1 year ago
User 1: I think the answer is D) fe80::a9:8eec:4bff:fe5b:619d
MY
My
1 year ago
I'm not sure, but I think the answer is D) fe80::a9:8eec:4bff:fe5b:619d.
DA
Darrin
1 year ago
I agree with Fabiola, because the MAC address is converted to EUI-64 by flipping the 7th bit.
JO
Josphine
1 year ago
Alright, I think the answer is D. We need to convert the MAC address to the EUI-64 format, and the only option that looks correct is fe80::a9:8eec:4bff:fe5b:619d.
AA
Aaron
1 year ago
User 4: Agreed, that's the only one that matches.
PH
Phillip
1 year ago
User 3: The correct option is fe80::a9:8eec:4bff:fe5b:619d.
AS
Ashley
1 year ago
User 2: Yeah, we need to convert the MAC address to the EUI-64 format.
CO
Colby
1 year ago
User 1: I think the answer is D.
FA
Fabiola
2 years ago
I think the answer is B) fe80::a9:8cec:4bff:fe5b:619d.