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| Section | Objectives |
|---|---|
| Topic 1: ACI Fabric Infrastructure | - Fabric Access Configuration
|
| Topic 2: Operations and Troubleshooting | - Troubleshooting ACI Fabric
|
| Topic 3: Policy Model and Endpoint Groups | - Policy Constructs
|
| Topic 4: Automation and Programmability | - API and Integration
|
| Topic 5: Cisco ACI Architecture | - ACI Fabric Components
|
| Topic 6: Integration and External Connectivity | - L2/L3 Outside Connectivity
|
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NEW QUESTION # 181
Refer to the exhibit. The engineering team restored the Cisco ACI fabric from a previous daily snapshot that was imported from a remote location. During the restore process, the team discovered that all password information was lost. Which set of steps must be used to prevent password loss in future system restores?
Answer: C
Explanation:
Passwords and other secure fields are preserved during backup/restore only when Global AES Encryption is enabled in the configuration export policy. This ensures encrypted sensitive data can be decrypted when the snapshot is imported. Using import replace mode ensures the restored configuration fully overwrites the existing one, allowing the encrypted secure fields to be applied correctly.
NEW QUESTION # 182
Refer to the exhibit. An engineer must configure a bridge domain inside the Cisco ACI fabric called BD. The configuration must permit EP2 and EP3 to reach EP1. Which configuration must be applied on the bridge domain to accomplish this goal?
Answer: D
Explanation:
While enabling L2 Unknown Unicast flooding ensures that traffic is flooded to all ports when the destination MAC address is unknown, this does not directly achieve unicast routing between EPs.
Unicast routing is more efficient for known unicast traffic.
NEW QUESTION # 183
Refer to the exhibit.
When the subnet is configured on a bridge domain, on which physical devices is the gateway IP address configured?
Answer: D
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1-x/Operating_ACI/guide/b_Cisco_Operating_ACI/b_Cisco_Operating_ACI_chapter_0111.html
NEW QUESTION # 184
In the context of VMM, which protocol between ACI leaf and compute hosts ensures that the policies are pushed to the leaf switches for immediate and on demand resolution immediacy?
Answer: A
Explanation:
Immediate-Specifies that EPG policies (including contracts and filters) are downloaded to the associated leaf switch software upon ESXi host attachment to a DVS. LLDP or OpFlex permissions are used to resolve the VM controller to leaf node attachments.
The policy will be downloaded to leaf when you add host to the VMM switch. CDP/LLDP neighborship from host to leaf is required.
On Demand-Specifies that a policy (for example, VLAN, VXLAN bindings, contracts, or filters) is pushed to the leaf node only when an ESXi host is attached to a DVS and a VM is placed in the port group (EPG).
The policy will be downloaded to leaf when host is added to VMM switch and virtual machine needs to be placed into port group (EPG). CDP/LLDP neighborship from host to leaf is required.
With both immediate and on demand, if host and leaf lose LLDP/CDP neighborship the policies are removed.
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1-x/aci-fundamentals/b_ACI-Fundamentals/b_ACI-Fundamentals_chapter_01011.html
NEW QUESTION # 185
A network engineer configures the Cisco ACI fabric to connect to vCenter with these requirements:
Port groups must be automatically created on the distributed virtual switch.
Port groups must use the VLAN allocation in the range between 20-30.
The deployment must optimize the CAM space on the leaf switches.
Which set of actions meets these criteria?
Answer: A
Explanation:
To meet the criteria for configuring the Cisco ACI fabric to connect to vCenter, the following actions should be taken:
Create a dynamic VLAN pool with the VLAN range of 20-30: This step involves creating a VLAN pool that dynamically assigns VLANs within the specified range to the port groups as they are created1.
Create a VMM domain and associate it with the VLAN pool: The VMM domain is a representation of the VMware vSphere Distributed Switch (VDS) in ACI, and associating it with the VLAN pool allows for the automatic creation of port groups on the VDS1.
Create the EPG and associate the domain: An Endpoint Group (EPG) is a logical entity to which workloads are attached. Associating the EPG with the VMM domain ensures that the port groups are automatically created in vCenter when the EPG is associated with a VMM domain1.
Set the deployment immediacy to On Demand: Setting the deployment immediacy to 'On Demand' optimizes the CAM space on the leaf switches by deploying policies to leaf nodes only when endpoints assigned to this EPG are connected, rather than immediately upon configuration12.
By following these steps, the network engineer can ensure that the Cisco ACI fabric is correctly configured to connect to vCenter, with port groups being automatically created on the distributed virtual switch, using the VLAN allocation in the range between 20-30, and optimizing the CAM space on the leaf switches.
NEW QUESTION # 186
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