Cisco Exam 010-151 Topic 6 Question 79 Discussion

Actual exam question for Cisco's 010-151 exam

Question #: 79
Topic #: 6

[All 010-151 Questions]

Which two statements are true for the Ethernet 802.3 standard? (Choose two.)

AAn 802.3 Ethernet frame is 68 to 1518 bytes in length.

BCSMA/CD eliminates collisions for the switched LAN where multiple collision domains reside.

CIt defines physical layer and data link layer protocols.

DThe IEEE 802.3ab standard defines 10 Gigabit Ethernet over unshielded twisted-pair (UTP).

ENetwork layer protocol is carried in the payload field.

Show Suggested Answer

Suggested Answer: B, C

by Viola at Dec 13, 2023, 04:11 AM

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Mariann

8 months ago

Okay, let me think this through. I'm pretty sure options C and D are correct, but I'm not sure about the others. Wait, didn't they just release a new version of the standard that goes up to 100 Gigabit Ethernet? I can't keep up with all these updates!

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France

8 months ago

Hmm, the 10 Gigabit Ethernet standard is 802.3ab, not 802.3. And network layer protocols are definitely carried in the Ethernet frame's payload, not the frame itself. This is a tricky one, for sure.

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Helene

8 months ago

Ah, I remember learning about this in my networking class. The Ethernet 802.3 standard defines the frame size as 64 to 1518 bytes, not 68 to 1518 bytes. And you're right, it does define both the physical and data link layer protocols.

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Emile

8 months ago

It also defines both the physical and data link layer protocols.

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Timmy

8 months ago

Yes, you're correct. The Ethernet 802.3 standard defines the frame size as 64 to 1518 bytes.

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Lynelle

8 months ago

Hmm, this is a tricky one. I'm not too sure about the exact frame size, but I know the standard defines the physical and data link layers for Ethernet. And CSMA/CD is definitely used to manage collisions in shared Ethernet networks, though I'm not sure if it eliminates them completely in switched LANs.

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