Cisco 600-660 Implementing Cisco Application Centric Infrastructure – Advanced (DCACIA) Online Training
Cisco 600-660 Online Training
The questions for 600-660 were last updated at Oct 23,2025.
- Exam Code: 600-660
- Exam Name: Implementing Cisco Application Centric Infrastructure - Advanced (DCACIA)
- Certification Provider: Cisco
- Latest update: Oct 23,2025
Refer to the exhibit.
How is the ARP request from VM1 forwarded when VM2 is not learned in the Cisco ACI fabric?
- A . Leaf 101 forwards the ARP request to one of the proxy VTEP spines.
- B . POD1 spine responds to the ARP request after the POD1 COOP is updated with the VM2 location.
- C . Leaf 101 encapsulates the ARP request into a multicast packet that is destined to 225.0.37.192.
- D . Leaf 101 switch consumers the ARP reply of VM2 to update the local endpoint table.
Which approach does Cisco ACI use to achieve multidestination packet forwarding between leaf switches in the same fabric?
- A . Map VXLAN VTEP to the multicast group
- B . Map VXLAN to PIM-SM protocol
- C . Map VXLAN VNI to the multicast group
- D . Map VXLAN to PIM-DM protocol
What does the VXLAN source port add to the overlay packet forwarding when it uses the hash of Layer 2, Layer 3, and Layer 4 headers of the inner packet?
- A . ECMP
- B . TCP optimization
- C . disabled fragmentation
- D . jumbo frames
Which two actions are the Cisco best practices to configure NIC teaming load balancing for Cisco UCS B-Series blades that are connected to the Cisco ACI leaf switches? (Choose two.)
- A . Create vPC+
- B . Enable LACP active mode
- C . Create PAgP
- D . Create vPC
- E . Enable MAC pinning
An organization migrates its virtualized servers from a legacy environment to Cisco ACI. VM1 is incorrectly attached to PortGroup IT|3TierApp|Web.
Which action limits IP address learning in BD1?
- A . Enable Enforce Subnet Check
- B . Enable Rouge Endpoint Control
- C . Enable GARP-based EP Move Detection Mode
- D . Disable Remote EP Learn
Refer to the exhibit.
What must be configured to allow the PBR node (LB-int) to monitor the availability of the endpoint that is in the EPG server?
- A . Endpoint Dataplane Learning
- B . Unicast Route disabled for client and server bridge domains
- C . PBR node tracking
- D . Direct Connect in the service graph template
An engineer must limit local and remote endpoint learning to the bridge domain subnet.
Which action should be taken inside the Cisco APIC?
- A . Disable Remote EP Learn
- B . Enable Enforce Subnet Check
- C . Disable Endpoint Dataplane Learning
- D . Enable Limit IP Learning to Subnet
What is the purpose of the Forwarding Tag (FTAG) in Cisco ACI?
- A . FTAG is used in Cisco ACI to add a label to the iVXLAN traffic in the fabric to apply the correct policy.
- B . FTAG is used in Cisco ACI to add a label to the VXLAN traffic in the fabric to apply the correct policy.
- C . FTAG trees in Cisco ACI are used to load balance unicast traffic.
- D . FTAG trees in Cisco ACI are used to load balance mutli-destination traffic.
DRAG DROP
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.
Refer to the exhibit.
Which three actions should be taken to implement the vPC in the Cisco ACI fabric? (Choose three.)
- A . Select a common vPC interface policy group
- B . Select individual interface profiles
- C . Select common interface profiles
- D . Select individual switch profiles
- E . Select common switch profiles
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