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Which statement is true for a device with a MAC address of B8-31-B5-80-41-4F?
Suggested Answer: A
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A MAC address is divided into two parts: the Organizationally Unique Identifier (OUI) and the Network Interface Controller (NIC) serial number. The OUI is the first three octets of the MAC address and is unique to the manufacturer. The NIC serial number is the last three octets and is unique to the device itself. Therefore, for the MAC address B8-31-B5-80-41-4F, the OUI is B8-31-B5, and the NIC serial number is 80-41-4F.
37 comments · newest first
EL
Elli
10 months ago
Not sure about that, seems too simple.
LA
Larae
10 months ago
Wait, is the NIC serial number really just the last part?
VI
Vivan
11 months ago
B8-31-B5 is the OUI for sure, no doubt!
MI
Mitzie
11 months ago
I agree, A is the right choice!
FA
Fannie
11 months ago
The OUI is definitely B8-31-B5.
DE
Delpha
11 months ago
I feel like I might be mixing up the definitions here. Is the OUI always the first part? I need to double-check that.
EM
Emelda
12 months ago
This question seems similar to one we practiced where the OUI was clearly defined. I hope I got this right!
ON
Onita
12 months ago
I'm not entirely sure, but I think the NIC serial number is the last three octets, which would be 80-41-4F.
MI
Mira
12 months ago
I remember the OUI is the first three octets of the MAC address, so I think it's B8-31-B5.
AL
Alyce
1 year ago
I'm a little confused by the different options here. I know MAC addresses are structured in a specific way, but I'm not sure I fully understand how to parse this one and determine the right answer. I'll have to review my notes on MAC address formats before deciding.
KA
Kaitlyn
1 year ago
Okay, I've got this. The MAC address is B8-31-B5-80-41-4F, so the OUI (Organizationally Unique Identifier) is B8-31-B5 and the device NIC serial number is 80-41-4F. Answer A is correct.
CH
Chu
1 year ago
Hmm, I'm a bit unsure about this one. I know MAC addresses have a specific format, but I'm not totally confident in my ability to break this down and identify the OUI and serial number. I'll have to think it through step-by-step.
BU
Buddy
1 year ago
This looks like a straightforward question about MAC addresses. I'll need to carefully analyze the format and structure of the MAC address to determine the correct answer.
DE
Denny
2 years ago
I'm not even going to bother with this question. I'm just going to stare at the MAC address and hope it magically tells me the answer. Maybe if I rub my eyes really hard, the solution will appear!
KA
Katlyn
1 year ago
B) The device OUI is B8-31 and the device NIC serial number is B5-80-41-4F
ET
Ethan
1 year ago
A) The device OUI is B8-31-B5 and the device NIC serial number is 80-41-4F
IL
Ilona
2 years ago
I think the answer is D because of the MD5 hash.
OD
Odette
2 years ago
Ooh, Option D is trying to get sneaky with the MD5 hash, but that's not how MAC addresses are structured. Nice try, but I'm going with Option A.
TA
Tanja
2 years ago
Hah, Option C is just plain silly. The OUI can't be the last 3 bytes, that's not how MAC addresses work. Come on, people, let's use our brains here!
LO
Loreen
1 year ago
Definitely, Option A is the most logical choice here.
OD
Odelia
1 year ago
Yeah, Option A makes the most sense based on how MAC addresses are structured.
HA
Hana
1 year ago
I think the correct answer is A) The device OUI is B8-31-B5 and the device NIC serial number is 80-41-4F.
ED
Edna
1 year ago
I agree, Option C is definitely incorrect.
DA
Dalene
1 year ago
D) The device OUI is B8-31-B5 and the device serial number is MD5 hash is 80-41-4F
NA
Nakisha
1 year ago
B) The device OUI is B8-31 and the device NIC serial number is B5-80-41-4F
CO
Colton
2 years ago
A) The device OUI is B8-31-B5 and the device NIC serial number is 80-41-4F
TA
Tamie
2 years ago
I'm pretty sure it's Option B. The OUI is the first 2 bytes, and the NIC serial number is the last 4 bytes. Easy peasy!
DO
Dominic
1 year ago
That makes sense! Option B it is.
LA
Lauran
2 years ago
So, the device OUI would be B8-31 and the device NIC serial number would be B5-80-41-4F.
LE
Leslie
2 years ago
I think you're right, the OUI is the first 2 bytes and the NIC serial number is the last 4 bytes.
AA
Aaron
2 years ago
I'm not sure, but I think the answer is C.
HO
Howard
2 years ago
Option A is the correct answer. The OUI (Organizationally Unique Identifier) is the first 3 bytes of the MAC address, which in this case is B8-31-B5. The remaining 3 bytes represent the device's NIC serial number, which is 80-41-4F.
CH
Cherry
1 year ago
The OUI (Organizationally Unique Identifier) is the first 3 bytes of the MAC address, which in this case is B8-31-B5. The remaining 3 bytes represent the device's NIC serial number, which is 80-41-4F.
VA
Vanna
1 year ago
Option A is the correct answer.
ST
Stefanie
2 years ago
A) The device OUI is B8-31-B5 and the device NIC serial number is 80-41-4F
JE
Jesse
2 years ago
I disagree, I believe the answer is B.
TA
Tammara
2 years ago
I think the answer is A.