Valid Braindumps 300-620 Pdf & Exam 300-620 Questions Answers

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Cisco 300-620 Exam Syllabus Topics:

SectionObjectives
Topic 1: Integration and External Connectivity- L2/L3 Outside Connectivity
  • 1. Service graph integration
    • 2. External routed networks
      Topic 2: Automation and Programmability- API and Integration
      • 1. REST API usage in APIC
        • 2. Automation tools and scripting basics
          Topic 3: ACI Fabric Infrastructure- Fabric Access Configuration
          • 1. Interface policies
            • 2. VLAN pools and domains
              Topic 4: Cisco ACI Architecture- ACI Object Model
              • 1. Application Profiles and EPGs
                • 2. Tenants, VRFs, and Bridge Domains
                  - ACI Fabric Components
                  • 1. APIC controller role and functions
                    • 2. Spine and Leaf architecture overview
                      Topic 5: Policy Model and Endpoint Groups- Policy Constructs
                      • 1. Micro-segmentation concepts
                        • 2. Contracts and filters
                          Topic 6: Operations and Troubleshooting- Troubleshooting ACI Fabric
                          • 1. Policy and contract troubleshooting
                            • 2. Endpoint reachability issues
                              - Monitoring and Management
                              • 1. APIC GUI and CLI operations
                                • 2. Fault and event management

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                                  Cisco Implementing Cisco Application Centric Infrastructure Sample Questions (Q243-Q248):

                                  NEW QUESTION # 243
                                  On which endpoint type is the host tracking feature performed in the Cisco ACI fabric?

                                  Answer: B

                                  Explanation:
                                  The host-tracking feature in ACI issues ARP/ND probes only for remote endpoints (those learned via unicast routing), in order to verify ongoing reachability. It does not run against purely local, bounce, or on-peer endpoint types.


                                  NEW QUESTION # 244
                                  Refer to the exhibit. An engineer is migrating legacy servers into the Cisco ACI environment. The requirement is to ensure that all endpoints and MAC addresses are learned properly in legacy and Cisco ACI switches. Which configuration set must be configured under the bridge domain called bd_360 to accomplish this goal?

                                  Answer: A


                                  NEW QUESTION # 245
                                  Refer to the exhibit.

                                  An application called App_1 is hosted on the server called S1. A silent host application. App_2. is hosted on S2. Both applications use the same VLAN encapsulation, which action forces Cisco ACI fabric to learn App_2 on ACI leaf 2?

                                  Answer: D

                                  Explanation:
                                  The scenario involves an application (App_1) on server S1 and a silent host application (App_2) on S2, both using the same VLAN encapsulation. The task is to force the ACI fabric to learn App_2 on Leaf-2. A silent host does not generate traffic, so special handling is needed.
                                  Requirement Analysis
                                  A silent host requires flooding (e.g., ARP or unknown unicast) to be learned by the fabric when it moves or is detected.
                                  The goal is to ensure Leaf-2 learns App_2's endpoint.
                                  Option Evaluation
                                  A . Set Multi-Destination Flooding to Drop:
                                  Dropping multi-destination traffic prevents learning, which is counterproductive for a silent host.
                                  Reference:
                                  B . Set Unicast Routing to Hardware Proxy:
                                  Hardware proxy optimizes unicast routing but does not force learning of a silent host via flooding.
                                  C . Set L2 Unknown Unicast to Flood:
                                  Enabling L2 unknown unicast flooding causes the fabric to flood traffic (e.g., ARP) across the bridge domain, allowing Leaf-2 to learn App_2's MAC address even if it is silent.
                                  D . Set L3 Unknown Multicast to Optimized Flood:
                                  This applies to multicast traffic and is irrelevant for learning a silent host's MAC address.
                                  Final Answer Justification
                                  C is correct because flooding L2 unknown unicast traffic ensures the ACI fabric learns App_2 on Leaf-2 by propagating ARP or other discovery traffic.
                                  Primary Cisco Reference:
                                  Cisco ACI Endpoint Learning Guide, "Flooding for Silent Hosts."
                                  Cisco APIC Bridge Domain Configuration Guide.


                                  NEW QUESTION # 246
                                  Which two types of interfaces are supported on border leaf switches to connect to an external router? (Choose two.)

                                  Answer: A,C

                                  Explanation:
                                  On border leaf switches in Cisco ACI, the two types of interfaces supported to connect to an external router are subinterface with 802.1Q tagging and Switch Virtual Interface (SVI)7. These interfaces allow for the segmentation of traffic and the extension of Layer 2 and Layer 3 services to external networks7.


                                  NEW QUESTION # 247
                                  A Cisco ACI fabric must send a packet between two pods in a Cisco ACI Multi-Pod topology where ARP flooding is disabled within the bridge domain. How does a Cisco ACI spine switch forward ARP messages from a leaf switch in POD1 to POD2?

                                  Answer: D

                                  Explanation:
                                  Without ARP flooding allowed in the Bridge Domain, the leaf nodes are not allowed to flood the frame along the local multi-destination tree, so in order to ensure the ARP request can be delivered to a remote endpoint for allowing its discovery, a process named "ARP Gleaning" has been implemented.


                                  NEW QUESTION # 248
                                  ......

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