Most Recent Cisco 300-630 Exam Dumps

Prepare for the Cisco Implementing Cisco Application Centric Infrastructure - Advanced exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Cisco 300-630 exam and achieve success.

The questions for 300-630 were last updated on May 4, 2025.

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Question No. 1

In a Cisco ACI Multi-Site fabric, the Inter-Site BUM Traffic Allow option is enabled in a specific stretched bridge domain. What is used to forward BUM traffic to all endpoints in the same broadcast domain?

Aingress replication on the spines in the source site

Begress replication on the source leaf switches

Cegress replication on the destination leaf switches

Dingress replication on the spines in the destination site

Show Answer

Correct Answer: A

In a Cisco ACI Multi-Site fabric, when the Inter-Site BUM Traffic Allow option is enabled in a specific stretched bridge domain, ingress replication on the spines in the source site is used to forward Broadcast, Unknown unicast, and Multicast (BUM) traffic to all endpoints in the same broadcast domain.This method ensures that BUM traffic is efficiently replicated across the fabric, reaching all relevant endpoints without overwhelming the network with unnecessary traffic4.

Question No. 2

Refer to the exhibit.

Two application profiles are configured in the same tenant and different VRFs. Which contract scope is configured to allow communication between the two application profiles?

Aglobal

BVRF

Capplication

Dtenant

Show Answer

Correct Answer: D

To allow communication between two application profiles that are configured in the same tenant but different VRFs, the contract scope must be set to 'tenant.' This is because the contract scope defines the level at which the contract is enforced. A 'tenant' scope means the contract applies to all application profiles within the same tenant, regardless of the VRFs they are in. This allows for the necessary route-leaking between the provider and consumer VRFs to enable communication between the application profiles.

Question No. 3

What are two characteristics of Cisco ACI and Spanning Tree Protocol interaction? (Choose two.)

AWhen a TCN BPDU is received in a VLAN, Cisco ACI flushes the endpoints for the associated encapsulation.

BSTP BPDUs are dropped due to MCP.

CMST BPDUs are flooded correctly in Cisco ACI fabric without additional configuration.

DBPDU filter and BPDU guard can be configured on Cisco ACI leaf edge ports.

ECisco ACI must be configured as the STP root for all VLANs.

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Correct Answer: A, D

Within Cisco ACI, when a Topology Change Notification (TCN) BPDU is received in a VLAN, the system flushes the endpoints for the associated encapsulation to ensure network stability.Additionally, BPDU filter and BPDU guard can be configured on Cisco ACI leaf edge ports to protect against potential STP issues2.

Question No. 4

An engineer is deploying a Cisco ACI fabric and discovers that the traffic to certain endpoints is dropped. The originating bridge domain is configured with hardware proxy. Which action prevents this problem?

ASet the L2 Unknown Unicast option to Flood for Layer 2 switched traffic.

BSet the L2 Unknown Unicast option to Hardware-Proxy for Layer 2 switched traffic.

CEnable the ARP Flooding option under the bridge domain for Layer 3 routed traffic.

DDisable the ARP Flooding option under the bridge domain for Layer 3 routed traffic.

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Correct Answer: A

When traffic to certain endpoints is dropped in a Cisco ACI fabric configured with hardware proxy, setting the L2 Unknown Unicast option to Flood for Layer 2 switched traffic can prevent this problem.This mode allows unknown unicast traffic to be flooded within the bridge domain, rather than being sent to the spine proxy and potentially discarded if the destination is unknown5.

Question No. 5

Refer to the exhibit.

A Cisco ACI fabric must be integrated with VMware. Leaf1 and Leaf2 are connected to S1 using a VPC. The object VMware Virtual Distributed switch VPC Policy group type has been created in the fabric. Which mode must be set for the port-channel policy to allow the failover and the full use of the bandwidth in both directions?

ALink Aggregation Control Protocol

BMAC Pinning

CStatic channel - Mode On

DExplicit failover order

Show Answer

Correct Answer: A

LACP is the correct mode for the port-channel policy to ensure failover and full bandwidth utilization in both directions when integrating a Cisco ACI fabric with VMware using a VPC connected to Leaf1 and Leaf2. It allows multiple physical ports to be bundled into a single logical channel, providing redundancy and increased bandwidth.Reference:= (Implementing Cisco Application Centric Infrastructure Official Cert Guide)

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