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Question 61 - JN0-683 discussion

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Which two statements are true about a pure IP fabric? (Choose two.)

A.
Devices in an IP fabric function as Layer 3 routers.
Answers
A.
Devices in an IP fabric function as Layer 3 routers.
B.
An IP fabric supports Layer 2 VLANs.
Answers
B.
An IP fabric supports Layer 2 VLANs.
C.
Devices in an IP fabric must be connected to a fabric controller.
Answers
C.
Devices in an IP fabric must be connected to a fabric controller.
D.
An IP fabric does not support Layer 2 protocols.
Answers
D.
An IP fabric does not support Layer 2 protocols.
Suggested answer: A, D

Explanation:

Understanding Pure IP Fabric:

A pure IP fabric is a network design where all devices operate at Layer 3, meaning that each device in the fabric is a router that makes forwarding decisions based on IP addresses.

Layer 2 Support:

In a pure IP fabric, traditional Layer 2 protocols such as Spanning Tree Protocol (STP) or VLANs are not supported. Instead, the network relies entirely on Layer 3 routing protocols to manage traffic between devices.

Routing Functionality:

Since devices in an IP fabric operate as Layer 3 routers, they handle IP routing and provide network services based on IP addresses, not on MAC addresses or Layer 2 switching.

Conclusion:

Option A: Correct---Devices in an IP fabric function as Layer 3 routers.

Option D: Correct---A pure IP fabric does not support traditional Layer 2 protocols, making it a purely routed environment.

asked 18/09/2024
Yrae Franca de Pinho Gomes
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