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Exam 300-620 topic 1 question 283 discussion

Actual exam question from Cisco's 300-620
Question #: 283
Topic #: 1
[All 300-620 Questions]

A network engineer configures a Cisco ACI fabric with this configuration:
• Endpoint-1 with an IP address 10.1.0.1/24 is attached to Leaf-101.
• Endpoint-2 with an IP address 10.1.0.2/24 is attached to Leaf-102.
• Both endpoints are in EPG-A.
• The bridge domain for EPG-A is called BD-A and contains a single subnet 10.1.0.254/24.
• Endpoint-1 cannot reach Endpoint-2.

Which action allows Endpoint-1 to communicate with Endpoint-2?

  • A. Set L2 Unknown Unicast to Hardware Proxy.
  • B. Configure a contract between the endpoints.
  • C. Create a contract with a preferred group.
  • D. Enable silent host detection.
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by prospio971 at Dec. 11, 2024, 9:26 a.m.

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samfab
2 months, 3 weeks ago
Selected Answer: D
Enable silent host detection
upvoted 2 times
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prospio971
2 months, 3 weeks ago
Selected Answer: B
EPG Communication in Cisco ACI: In Cisco ACI, communication between endpoints in the same or different Endpoint Groups (EPGs) requires a contract. By default, no traffic is allowed between EPGs or even within the same EPG unless explicitly permitted by a contract. Why a Contract is Needed? Even though both endpoints are in the same EPG (EPG-A), Cisco ACI enforces policy-driven communication. Without a contract, traffic between Endpoint-1 and Endpoint-2 will be dropped.
upvoted 1 times
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prospio971
4 months, 4 weeks ago
Selected Answer: A
To allow Endpoint-1 to communicate with Endpoint-2, ensure that the bridge domain (BD-A) has "Unicast Routing" enabled. This feature allows Layer 3 routing between endpoints in the same bridge domain but connected to different leaf switches.
upvoted 2 times
damncei
2 months ago
agree, basically end point in the same EPG will communicate without contract, and need to enable intra EPG to make each endpoint in the same EPG to block the communication.
upvoted 1 times
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