Cisco
300-620 · Question #175
300-620 Question #175: Real Exam Question with Answer & Explanation
The correct answer is A: Disable ARP Flooding.. ARP requests must be managed via Layer 3 unicast packets or be dropped to reduce excessive broadcast traffic. Since there is no option for hardware proxy, disabling ARP is the only option to choose.
Question
A bridge domain for a new endpoint group in the Cisco ACI fabric must meet these requirements: The bridge domain must function as the default gateway for the subnet so that routing remains within the Cisco ACI fabric. ARP requests must be managed via Layer 3 unicast packets or be dropped to reduce excessive broadcast traffic. The impact of misconfigured virtual machines must be kept to a minimum by preventing IP addresses outside of the configured subnet from being routed. Which set of actions must be taken?
Options
- ADisable ARP Flooding.
- BEnable Limit IP Learning to Subnet.
- CSet Endpoint Retention Policy to default.
- DEnable Unicast Routing on the bridge domain and configure a subnet.
Explanation
ARP requests must be managed via Layer 3 unicast packets or be dropped to reduce excessive broadcast traffic. Since there is no option for hardware proxy, disabling ARP is the only option to choose.
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