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Implementing Cisco Application Centric Infrastructure (DCACI) Questions 81–88 (page: 12)

Updated On: 11-May-2026

Three application endpoint groups (EPGs) must be trunked using VLAN 1501 on leaf 101. Which set of actions completes the configuration?

  1. Deploy the three EPGs on different ports on leaf 101.
    Associate the three EPGs to different bridge domains.
    Set port scope to local.
    Map the three EPGs to the same physical domain.
  2. Deploy the three EPGs on different ports on leaf 101.
    Associate the three EPGs to different bridge domains.
    Set port scope to global.
    Map the three EPGs to the same physical domain.
  3. Deploy the three EPGs on different ports on leaf 101.
    Associate the three EPGs to different bridge domains.
    Set port scope to local.
    Map the three EPGs to different physical domain.
  4. Deploy the three EPGs on the same port on leaf 101.
    Associate the three EPGs to the same bridge domains.
    Set port scope to local.
    Map the three EPGs to different physical domain.

Answer(s): A

Explanation:

To trunk three EPGs using the same VLAN (1501) on the same leaf, each EPG must be deployed on a different port, all mapped to the same physical domain, and the VLAN encapsulation must use port (local) scope so VLAN 1501 can be reused per port without conflict.





Refer to the exhibit. A Cisco ACI system is deployed with four access policy groups. The N9K1 has a BGP neighborship established with Cisco ACI. Which policy group must be associated with interface Eth1/1 on Leafl to complete the connectivity?

  1. PEGRKAL12_PolGrp
  2. PEGRMET12_PolGrp
  3. PEGRPAL11_PolGrp
  4. PEGRKIF11_PolGrp

Answer(s): A

Explanation:

Interface Eth1/1 on Leaf1 connects to N9K1 as a Layer-3 routed interface (no switchport, IP address configured). For routed L3 interfaces in ACI, the correct association is an access port policy group (accportgrp), not a port-channel bundle or breakout group.
PEGRKAL12_PolGrp is the access port policy group required to complete the routed BGP connectivity.





Refer to the exhibit. A network engineer must ensure that any loops outside the Cisco ACI fabric are detected and mitigated. Assuming the policy will be enabled later, which two settings must be used to configure the MCP on all leaf ports in the fabric when the policy is applied? (Choose two.)

  1. Set MCP PDU Per VLAN to Disable.
  2. Adjust Initial Delay (sec) to 360 seconds.
  3. Select Enable MCP PDU Per VLAN.
  4. Disable Loop Protection Action.
  5. Enable Loop Protection Action.

Answer(s): C,E

Explanation:

Enabling MCP PDU Per VLAN sends MCP frames per VLAN, allowing the fabric to detect loops for each VLAN on all leaf ports.
Enabling Loop Protection Action ensures that when a loop is detected, the port is automatically disabled, mitigating the loop outside the fabric.





Refer to the exhibit. An engineer configured this node control policy and these ACI objects:

· leaf policy group named ACI_Leaf_PolGrp
· leaf switches profile named ACI_Leaf_NodeProf
· node control policy named ACI_Pal_Node_Ctrl

Which association set must be used to apply ACI_Pal_Node_Ctrl on Node-2001?

  1. SWNFV1ACIPAL to ACI_Leaf_PolGrp
    ACI_Leaf_PolGrp to ACI_Leaf_NodeProf
    SWNFV1ACIPAL to Node-2001
  2. ACI_Pal_Node_Ctrl to SWNFV1ACIPAL
    ACI_Leaf_PolGrp to Node-2001
    ACI_Pal_Node_Ctrl to ACI_Leaf_NodeProf
  3. ACI_Pal_Node_Ctrl to ACI_Leaf_PolGrp
    ACI_Leaf_PolGrp to Node-2001
    SWNFV1ACIPAL to ACI_Leaf_NodeProf
  4. ACI_Pal_Node_Ctrl to ACI_Leaf_PolGrp
    ACI_Pal_Node_Ctrl to Node-2001
    SWNFV1ACIPAL to ACI_Leaf_PolGrp

Answer(s): C

Explanation:

The node control policy (ACI_Pal_Node_Ctrl) is attached to the leaf policy group (ACI_Leaf_PolGrp), the leaf policy group is associated with the node (Node-2001) through the switch selector, and the switch selector (SWNFV1ACIPAL) is bound to the leaf switch profile (ACI_Leaf_NodeProf). This association chain applies ACI_Pal_Node_Ctrl to Node-2001.





Refer to the exhibit. A Cisco ACI fabric has four access policy groups and the VPC consecutive protection group has been defined. Which policy group must be associated with Eth1/1 and Eth1/2 to complete the deployment?

  1. PEGRPAL11_PolGrp
  2. PEGRMET12_PolGrp
  3. PEGRKIF11_PolGrp
  4. PEGRKAL12_PolGrp

Answer(s): A

Explanation:

The interfaces Eth1/1 and Eth1/2 form the VPC toward the N9K (po2). For VPC member ports, the correct association is the access bundle policy group with lagT: link, which corresponds to PEGRPAL11_PolGrp.





Refer to the exhibit. A Cisco ACI fabric is configured using a VPC protection group with a setting of consecutive. Also, these ACI objects have been created:

· Access policy group Acc_Pol_Grp
· STP policy STP_Pol

Which action set must be taken to disable Eth1/1 when receiving BPDU from SW2?

  1. Enable BPDU guard on STP_Pol.
    Assign STP_Pol to Acc_Pol_Grp.
    Assign STP_Pol to Eth1/1.
  2. Enable BPDU guard on STP_Pol.
    Assign STP_Pol to Acc_Pol_Grp.
    Assign Acc_Pol_Grp to Eth1/1.
  3. Enable BPDU guard on Acc_Pol_Grp.
    Assign STP_Pol to Acc_Pol_Grp.
    Assign STP_Pol to Eth1/1.
  4. Enable BPDU guard on Acc_Pol_Grp.
    Assign STP_Pol to Acc_Pol_Grp.
    Assign Acc_Pol_Grp to Eth1/1.

Answer(s): B

Explanation:

BPDU Guard is enabled in the STP interface policy (STP_Pol), that STP policy is then attached to the access policy group (Acc_Pol_Grp), and finally the access policy group is applied to Eth1/1. This chain causes Eth1/1 to be err-disabled when a BPDU is received from SW2.



A network engineer must configure MCP on Cisco ACI to err-disable port
on Leaf101 when receiving 5 continuous looped packets.

Which configuration accomplishes this goal?

  1. Uncheck box of loop protection action.
    Set Loop Detect Multiplication Factor to 5.
  2. Check box of loop protection action.
    Set Loop Detect Multiplication Factor to 5.
  3. Uncheck box of loop protection action.
    Set Transmission Frequency to 5.
  4. Check box of loop protection action.
    Set Transmission Frequency to 5.

Answer(s): B

Explanation:

Enabling loop protection action causes the port to be err-disabled when MCP detects a loop. The loop detect multiplication factor defines how many consecutive looped MCP packets must be received before the action is triggered, so setting it to 5 meets the requirement.



DRAG DROP (Drag and Drop is not supported)

An engineer deploys a Cisco ACI fabric. The engineer created a VPC policy group named Allot_MET_RIO7_RIO8 for the enclosure and these objects have been configured:

Physical Domain Bare_Metal_L3In_Dom
VLAN pool NFVI_VLPool
AAEP NFVI_AAEP

Drag and drop objects from the left to the objects under which they must be added to configure an EPG named 12_MSSMET2_LDE_int_EPG. Not all objects are used.

Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:




A VLAN pool is associated to the physical domain. The physical domain is then associated to the AAEP. Finally, the AAEP is attached to the VPC policy group so the interfaces in that policy group can inherit access to the domain and VLANs required by the EPG. The existing VPC policy group object itself is not added under another object in this workflow.



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