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Free Cisco 300-630 DCACIA Practice Questions 2026 Part2

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Question #1
Which PIM version must be configured in the Inter-Pod Network to allow broadcast, unknown unicast, and multicast flooding between Cisco ACI pods?
A. Bidirectional PIM
B. PIM dense mode
C. PIM sparse mode
D. Source Specific Multicast
View answer
Correct Answer: A

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Question #2
Refer to the exhibit. An administrator configures inter-VRF route leaking between Production:vrf-prod and Non-Production:vrf-nonprod. However, the route in the Non-Production:vrf-nonprod VRF to the production tenant is missing. Which action resolves the VRF route leaking issue?
A. nable the Shared between VRFs option for the BD subnet in the production VRF
B. hange the contract scope to Global
C. nable the Shared between VRFs option for the EPG subnet in the non-production VRF
D. xport the contract from provider to consumer tenant
View answer
Correct Answer: A
Question #3
What are two characteristics of Cisco ACI interaction with MSTP? (Choose two.)
A. A Cisco ACI leaf flushes all local endpoints in the received EPG when an MSTP TCN frame is received
B. A static path binding is required for native VLAN to carry the MST BPDUs in existing EPGs
C. Mis-cabling protocol is used to snoop the MSTP TCN packets
D. A dedicated EPG must be created for the native VLAN ID with static bindings toward the MSTP-enabled switches
E. The PVST simulation must be configured on external network switches to support MSTP
F. Reveal Answer
View answer
Correct Answer: CD
Question #4
What two actions should be taken to deploy a new Cisco ACI Multi-Pod setup? (Choose two.)
A. Configure anycast RP for the underlying multicast protocol
B. Configure the TEP pool of the new pod to be routable across the IPN
C. Configure MP-BGP on IPN routers that face the Cisco ACI spines
D. Increase interface MTU for all IPN routers to support VXLAN traffic
E. Connect all spines to the IPN
View answer
Correct Answer: BD
Question #5
Which action must be taken to connect two nonsilient servers in active/standby mode to two ACI leaves?
A. Implement a virtual PortChannel on ACI leaves
B. Enable ARP flooding for the bridge domain if the MAC address of the active interface changes after NIC failover
C. Configure ARP flooding for the bridge domain if the MAC address of the active interface stays identical after a NIC failover
D. Disable dataplane learning to avoid endpoint flapping
View answer
Correct Answer: C
Question #6
What is a use of the Overlay Multicast TEP in Cisco ACI Multi-Site communication?
A. o perform headend replication
B. o act as the source IP for BUM traffic
C. o establish MP-BGP adjacencies with remote spines
D. o send and receive unicast VXLAN data plane traffic
View answer
Correct Answer: B
Question #7
Which firewall connection allows for the integration of service nodes in transparent mode with a Cisco ACI Multi-Pod setup?
A. active-standby mode across pods
B. active-active mode per pods for communication between internal endpoints
C. active-standby mode per pods for communication between endpoints and external networks
D. active-active mode across pods
E. Reveal Answer
View answer
Correct Answer: A
Question #8
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. nable Enforce Subnet Check
B. nable Rouge Endpoint Control
C. nable GARP-based EP Move Detection Mode
D. isable Remote EP Learn
View answer
Correct Answer: C
Question #9
Refer to the exhibit. Server S1 is connected to Cisco ACI using two NIC interfaces. NIC1 is an active interface and NIC2 is a standby interface. NIC2 uses its MAC address to send traffic to the Cisco ACI fabric when NIC1 is offline. The requirement is to update the IP address to use the MAC address of NIC2. Which action accomplishes this goal?
A. lear remote MAC entries
B. et L2 Unknown Unicast to Proxy
C. ctivate IP Data Plane Learning,
D. nable GARP EP Move Detection
View answer
Correct Answer: D
Question #10
An engineer deployed a Cisco ACI fabric and noticed that the fabric learns endpoints from subnets that are not configured on a bridge domain. To meet strict security requirements, the engineer must prevent this behavior. Which action must be taken to prevent this behavior?
A. Activate Enable Data Plane Endpoint Learning
B. Implement Pervasive Gateway
C. Configure Static Binding
D. Enable Enforce Subnet Check
View answer
Correct Answer: D
Question #11
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
View answer
Correct Answer: A
Question #12
Refer to the exhibit. A network engineer configures a Layer 4 to Layer 7 device for an outside routed firewall that is connected to POD-1 inside a Cisco ACI fabric that consists of two pods. All traffic from POD-1 or POD-2 that uses the L3Out should pass through the routed firewall. Which Function Type must be implemented in the service graph for POD-2 to use L3Out?
A. oThrough
B. 1
C. oTo
D. 2
View answer
Correct Answer: D
Question #13
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
View answer
Correct Answer: BE
Question #14
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
View answer
Correct Answer: A
Question #15
Where are STP BPDUs flooded in Cisco ACI fabric?
A. in the bridge domain VLAN
B. in the native VLAN ID
C. in the access encapsulation VLAN part of different VLAN pools
D. in the VNID that is assigned to the FD VLAN
E. Reveal Answer
View answer
Correct Answer: A
Question #16
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
View answer
Correct Answer: D
Question #17
Which approach does Cisco ACI use to achieve multidestination packet forwarding between leaf switches in the same fabric?
A. ap VXLAN VTEP to the multicast group
B. ap VXLAN to PIM-SM protocol
C. ap VXLAN VNI to the multicast group
D. ap VXLAN to PIM-DM protocol
View answer
Correct Answer: C
Question #18
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
View answer
Correct Answer: A
Question #19
Refer to the exhibit.How is the ARP request from VM1 forwarded when VM2 is not learned in the Cisco ACI fabric?
A. OD1 spine responds to the ARP request after the POD1 COOP is updated with the VM2 location
B. eaf 101 encapsulates the ARP request into a multicast packet that is destined to 225
C. eaf 101 forwards the ARP request to one of the proxy VTEP spines
D. eaf 101 switch consumes the ARP reply of VM2 to update the local endpoint table
View answer
Correct Answer: C
Question #20
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
E. Reveal Answer
View answer
Correct Answer: A
Question #21
What is a design implication for Cisco ACI using an application-centric approach?
A. Multiple VLANs and/or multiple EPGs are under one bridge domain
B. VLAN numbers are in the names of the bridge domain and EPG objects
C. One EPG is mapped to multiple bridge domains
D. One VLAN equals one EPG equals one bridge domain
View answer
Correct Answer: A
Question #22
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
View answer
Correct Answer: B
Question #23
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
D. Leaf 101 switch consumers the ARP reply of VM2 to update the local endpoint table
View answer
Correct Answer: A
Question #24
Refer to the exhibit. How is the ARP request from VM1 forwarded when VM2 is not learned in the Cisco ACI fabric?
A. eaf 101 forwards the ARP request to one of the proxy VTEP spines
B. OD1 spine responds to the ARP request after the POD1 COOP is updated with the VM2 location
C. eaf 101 encapsulates the ARP request into a multicast packet that is destined to 225
D. eaf 101 switch consumes the ARP reply of VM2 to update the local endpoint table
View answer
Correct Answer: A
Question #25
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
View answer
Correct Answer: C
Question #26
An engineer deployed a Cisco ACI fabric and noticed that the fabric learns endpoints from subnets that are not configured on a bridge domain. To meet strict security requirements, the engineer must prevent this behavior. Which action must be taken to prevent this behavior?
A. Activate Enable Data Plane Endpoint Learning
B. Implement Pervasive Gateway
C. Configure Static Binding
D. Enable Enforce Subnet Check
View answer
Correct Answer: D
Question #27
How is the traffic directed to the firewall pair in a two-site Multi-Pod deployment with an active/standby firewall pair stretched across pods?
A. o the pod with the active service node
B. o a collector in the Inter-Pod Network
C. o the pod designated as the primary pod
D. o the local service node for processing
View answer
Correct Answer: D
Question #28
Refer to the exhibit. How is the ARP request from VM1 forwarded when VM2 is not learned in the Cisco ACI fabric?
A. eaf 101 forwards the ARP request to one of the proxy VTEP spines
B. OD1 spine responds to the ARP request after the POD1 COOP is updated with the VM2 location
C. eaf 101 encapsulates the ARP request into a multicast packet that is destined to 225
D. eaf 101 switch consumes the ARP reply of VM2 to update the local endpoint table
View answer
Correct Answer: A
Question #29
How is multicast traffic managed in a Cisco ACI fabric?
A. FTag trees are rooted at the spine nodes
B. FTag trees are rooted at the leaf nodes
C. FTag trees are rooted at the leaf nodes
D. FTag trees are rooted at the spine nodes
View answer
Correct Answer: A
Question #30
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
View answer
Correct Answer: BE
Question #31
An engineer configures a new Cisco ACI Multi-Pod setup. Which action should be taken for fabric discovery to be successful for the nodes in Pod 2?
A. Select the Route Reflector field in Pod Peering
B. Enable the DSCP class-cos translation policy for Layer 3 traffic
C. Configure POD 2 Data Plane TEP under the Pod Connection Profile
D. Add the IPN subnet under the Fabric External Routing Profile
View answer
Correct Answer: D
Question #32
An engineer deployed a Cisco ACI fabric and noticed that the fabric learns endpoints from subnets that are not configured on a bridge domain. To meet strict security requirements, the engineer must prevent this behavior. Which action must be taken to prevent this behavior?
A. Activate Enable Data Plane Endpoint Learning
B. Implement Pervasive Gateway
C. Configure Static Binding
D. Enable Enforce Subnet Check
View answer
Correct Answer: D
Question #33
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
View answer
Correct Answer: C
Question #34
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
D. Leaf 101 switch consumes the ARP reply of VM2 to update the local endpoint table
View answer
Correct Answer: A
Question #35
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
View answer
Correct Answer: A
Question #36
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. reate vPC+
B. nable LACP active mode
C. reate PAgP
D. reate vPC
E. nable MAC pinning
View answer
Correct Answer: BE
Question #37
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
View answer
Correct Answer: D
Question #38
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
View answer
Correct Answer: B
Question #39
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
View answer
Correct Answer: A
Question #40
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
View answer
Correct Answer: C
Question #41
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. ption B
B. ption A
C. ption C
D. ption D
View answer
Correct Answer: D

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