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NEW QUESTION # 59
Which action reduces the impact on workload when migrating from the existing Cisco NX-OS VXLAN network infrastructure to the Cisco ACI fabric?
- A. Configure vPC between the standalone Nexus and the Cisco ACI leaf
- B. Set the default gateway in the Cisco ACI and VXLAN fabrics
- C. Disable bridge domain unicast routing while a default gateway is in VXLAN infrastructure
- D. Use ACI spines for the Cisco ACI and VXLAN fabrics
Answer: B
NEW QUESTION # 60
An engineer deploys a Cisco ACI Multi-Site Orchestrator for the first time. Drag and drop the actions from the left into the steps on the right to add a site and deploy new Cisco ACI objects to the fabric. Not all actions are used.
Answer:
Explanation:
Explanation:
Table Description automatically generated
NEW QUESTION # 61
Refer to the exhibit. Which two configurations enable inter-VRF communication? (Choose two.)
- A. Set the subnet scope to Shared Between VRFs
- B. Change the contract scope to Tenant
- C. Change the subject scope to VRF
- D. Enable Advertise Externally under the subnet scope
- E. Export the contract and import as a contract interface
Answer: A,B
NEW QUESTION # 62
Refer to the exhibit.
Which method does Cisco ACI fabric use to forward L2 Unknown Unicast packets?
- A. Packets are dropped if dMAC is absent in COOP.
- B. The source leaf sends the traffic to all ports in BD.
- C. Traffic is flooded to all Layer 2 ports of ACI fabric.
- D. The traffic is flooded using VRF Outer Multicast Group ID.
Answer: D
Explanation:
In Cisco ACI fabric, when a Layer 2 unknown unicast packet is encountered, the fabric does not drop the packet. Instead, it uses a flooding mechanism to ensure that the packet reaches its potential destination. This is achieved by utilizing the VRF (Virtual Routing and Forwarding) Outer Multicast Group ID associated with the Bridge Domain (BD) to which the unknown destination MAC address belongs. By doing so, Cisco ACI ensures that all endpoints within the BD have an opportunity to receive and process the packet if they are indeed the intended recipient. References: Implementing Cisco Application Centric Infrastructure Official Cert Guide
NEW QUESTION # 63
Refer to the exhibit. An engineer must implement a solution to ensure that ingress and egress traffic flows are symmetric for all stretched bridge domains in the customer multisite architecture.
Which configuration accomplishes this goal?
- A. Enable anycast services to the firewalls in both fabrics.
- B. Add a new stretched external EPG to the existing L3Outs.
- C. Configure host route advertisement on the bridge domains.
- D. Implement a policy-based redirect using a service graph.
Answer: B
NEW QUESTION # 64
Refer to the exhibits.
Which subject must be configured for the All_noSSH contract to allow all IP traffic except SSH between the two EPGs?
- A. Option C
- B. Option A
- C. Option D
- D. Option B
Answer: C
Explanation:
In Cisco ACI, contracts are used to define the policies that govern communication between End Point Groups (EPGs). A contract specifies which types of traffic are permitted or denied between EPGs. To allow all IP traffic except SSH, you would configure the contract to permit all IP traffic and then deny SSH specifically.
This is typically done by defining filters within the contract that match on the SSH protocol and setting the action to deny.
References:
* Implementing Cisco Application Centric Infrastructure - Advanced (DCACIA) course materials and official certification guide can provide more detailed information on this topic12.
* Cisco's official documentation and training materials are also a good resource for understanding the configuration and management of contracts in ACI
NEW QUESTION # 65
The engineer notices frequent MAC and IP address moves between different leaf switch ports. Which action prevents this problem from occurring?
- A. Disable IP bridge domain enforcement.
- B. Enable rogue endpoint control.
- C. Disable enforce subnet check.
- D. Enable endpoint loop protection.
Answer: B
NEW QUESTION # 66
An engineer configures a new Cisco ACI Multi-Site Orchestrator node to join an MSO cluster. Which two components are necessary to ensure that the new node has IP connectivity in this configuration? (Choose two.)
- A. Cisco ACI spine interfaces that are connected to ISN
- B. existing Cisco ACI Multi-Site Orchestrator node
- C. OOB interface of ISN
- D. management IP of ESXi hosts where the controllers are deployed
- E. Cisco APICs over the OOB management network
Answer: D,E
Explanation:
For a new Cisco ACI Multi-Site Orchestrator (MSO) node to join an MSO cluster and ensure IP connectivity, it requires connectivity to the Cisco Application Policy Infrastructure Controllers (APICs) over the Out-of-Band (OOB) management network and the management IP of ESXi hosts where the controllers are deployed. The OOB management network allows the MSO node to communicate with the APICs for centralized management and policy control, while the management IP of the ESXi hosts provides the necessary connectivity for the virtual machine infrastructure where the MSO node is deployed123.
References := Cisco ACI Multi-Site Architecture White Paper, Cisco Multi-Site Deployment Guide for ACI Fabrics, ACI Multi-Site Architecture and Deployment - Cisco.
NEW QUESTION # 67
Refer to the exhibit. Which configuration mode must be selected for the VMM vSwitch Port Channel policy to avoid MAC flapping on the Cisco UCS Fls and Cisco ACI leaf switches?
- A. Static Channel ?Mode On
- B. LACP Passive
- C. MAC Pinning
- D. LACP Active
Answer: C
NEW QUESTION # 68
How is broadcast forwarded in Cisco ACI Multi-Pod after ARP flooding is enabled?
- A. Within a pod, the ingress leaf switch floods the broadcast frame on all fabric ports
- B. Broadcast frames are forwarded inside the pod and across the IPN using the multicast address that is associated to the bridge domain
- C. Ingress replication is used on the spines to forward broadcast frames in the IPN infrastructure
- D. For the specific bridge domain, all spines forward the broadcast frames to IPN routers
Answer: B
Explanation:
In Cisco ACI Multi-Pod, when ARP flooding is enabled, broadcast traffic within a bridge domain is managed by associating a multicast address to the bridge domain. The broadcast frames are then forwarded within the pod and across the Inter-Pod Network (IPN) using this multicast address.
References := Implementing Cisco Application Centric Infrastructure Official Cert Guide
NEW QUESTION # 69
What is a characteristic of a stretched bridge domain solution between Cisco ACI sites with Layer 2 flood disabled?
- A. The application profile that is associated to the bridge domain have local significance in each site.
- B. The tenant and VRF that associated to the bridge domain have local significance in each site.
- C. Headend replication is used for BUM traffic between sites.
- D. IP mobility is ensured between sites for disaster recovery.
Answer: B
Explanation:
Section: Multisite
Explanation/Reference:
NEW QUESTION # 70
Which two components must be configured as stretched to establish intra-VRF communication between two EPGs that are deployed in different sites and different bridge domains? (Choose two.)
- A. tenant
- B. application profile
- C. bridge domain
- D. contract
- E. EPG
Answer: A,E
Explanation:
https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric- infrastructure/white-paper-c11-739609.html
NEW QUESTION # 71
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?
- A. Link Aggregation Control Protocol
- B. Explicit failover order
- C. Static channel - Mode On
- D. MAC Pinning
Answer: A
NEW QUESTION # 72
Refer to the exhibit.
Which three actions should be taken to implement the vPC in the Cisco ACI fabric? (Choose three.)
- A. Select common interface profiles
- B. Select individual switch profiles
- C. Select a common vPC interface policy group
- D. Select common switch profiles
- E. Select individual interface profiles
Answer: A,C,D
Explanation:
To implement the vPC (Virtual Port Channel) in the Cisco ACI fabric, one should select a common vPC interface policy group (Option A), select common interface profiles (Option C), and select common switch profiles (Option E). These steps ensure that both switches in a vPC domain are configured with consistent policies and profiles for interfaces and switches. This consistency is crucial for the proper functioning of a vPC setup where two or more links that are physically connected to two different Cisco ACI leaf switches appear as a single "logical" port channel to a third device, like the depicted WebServer.
NEW QUESTION # 73
Drag and Drop Question
A leaf receives unicast traffic that is destined to an unknown source, and spine proxy is enabled in the corresponding bridge domain. Drag and drop the Cisco ACI forwarding operations from the left into the order the operation occurs on the right.
Answer:
Explanation:
Explanation:
https://www.ciscolive.com/c/dam/r/ciscolive/emea/docs/2020/pdf/BRKACI-3545.pdf (page 23)
NEW QUESTION # 74
An engineer is configuring ACI Multi-Pod between two data centers and must plan the physical cabling in the primary data center. How must the Cisco ACI Multi-Pod topology be connected?
- A. Connect spine switch 201 and 202 in pod 1 directly to spine switch 201 and 202 in pod 2.
- B. Connect spine switch 201 and 202 in pod 1 to ports on a device that is providing IP connectivity between pods
- C. Connect leaf switch 101 and 102 in pod 1 directly to leaf switch 101 and 102 in pod 2
- D. Connect leaf switch 101 and 102 in pod 1 to ports on a device that is providing IP connectivity between pods.
Answer: B
Explanation:
In a Cisco ACI Multi-Pod deployment, the spine switches within a pod should not be directly connected to the spine switches in another pod. Instead, they should be connected to an IPN (Inter-Pod Network) device that provides Layer 3 IP connectivity between the pods. This setup allows for the extension of the ACI fabric across multiple locations while maintaining a single logical fabric. The IPN device can be a router or a switch with Layer 3 capabilities that can handle the necessary routing protocols and encapsulation methods required for Multi-Pod communication. References := Implementing Cisco Application Centric Infrastructure Official Cert Guide
NEW QUESTION # 75
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