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Free Cisco 300-630 DCACIA Practice Questions 2026 Part1

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Question #1
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

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Question #2
What is a use of the Overlay Multicast TEP in Cisco ACI Multi-Site communication?
A. to perform headend replication
B. to act as the source IP for BUM traffic
C. to establish MP-BGP adjacencies with remote spines
D. to send and receive unicast VXLAN data plane traffic
E. Reveal Answer
View answer
Correct Answer: B
Question #3
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 #4
An organization migrates its virtualized servers from a legacy environment to Cisco ACI. VM1 is incorrectly attached to PortGroup IT|3TierApp|Web. Which actionlimits 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 #5
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 #6
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 strictsecurity 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 #7
An engineer must implement a full mesh Cisco ACI Multi-Site architecture. Which action must be taken on each spine to accomplish this goal?
A. Configure BGP-EVPN Router-ID
B. Configure Multi-Pod Data-Plane TEP
C. Configure Overlay Unicast TEP
D. Configure Overlay Multicast TEP
View answer
Correct Answer: A
Question #8
What two actions should be taken to deploy a new Cisco ACI Multi-Pod setup? (Choose two.)
A. onfigure anycast RP for the underlying multicast protocol
B. onfigure the TEP pool of the new pod to be routable across the IPN
C. onfigure MP-BGP on IPN routers that face the Cisco ACI spines
D. ncrease interface MTU for all IPN routers to support VXLAN traffic
E. onnect all spines to the IPN
View answer
Correct Answer: DE
Question #9
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 #10
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. ndpoint Dataplane Learning
B. nicast Route disabled for client and server bridge domains
C. BR node tracking
D. irect Connect in the service graph template
View answer
Correct Answer: A
Question #11
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 #12
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 #13
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 #14
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 #15
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 leafswitches? (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 #16
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 #17
How is multicast traffic managed in a Cisco ACI fabric?
A. Tag trees are rooted at the spine nodes
B. Tag trees are rooted at the spine nodes
C. Tag trees are rooted at the leaf nodes
D. Tag trees are rooted at the leaf nodes
View answer
Correct Answer: A
Question #18
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 #19
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 #20
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 #21
As part of a newly deployed ACI fabric, a pair of border leaf switches have been deployed to provide shared services for all tenants. The configured L3Out runs OSPF as the routing protocol. The requirement is to advertise the routes from the border leaf switches to the compute leaf switches. Which configuration must be implemented to meet these requirements?
A. Configure a BGP route reflector policy for the Cisco ACI pod
B. Define the shared L3Out in the common tenant
C. Enable Import Route Control Enforcement in the L3Out policy
D. Define the consumer subnet under the consumer EPG
E. Reveal Answer
View answer
Correct Answer: A
Question #22
Refer to the exhibit. A company decided to decrease its routing footprint and remove RT-2 and RT-3 devices from its data center. Because of that, the exit point must be created from all the tenants by using the common tenant. Which two configuration tasks must be completed to meet these requirements? (Choose two.)
A. ove subnets from all the bridge domains to the EPG level and mark them with flag Shared between VRFs
B. hange contract Ctr-3 scope to Global, consume it by all EPGs, and flag all subnets with flag Shared between VRFs
C. pdate the L3Out ExtEPG subnet in the common tenant with flag Shared Route Control Subnet and Aggregate Shared Routes
D. ark all subnets with flag Shared between VRFs and attach contract Ctr-3 as a provider to all the EPGs
E. xport contract Ctr-2 into the tenant TN-1 and attach it as a consumer to all the EPGs in the tenant TN-1
View answer
Correct Answer: AC
Question #23
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 #24
Which feature should be disabled on a bridge domain when a default gateway for endpoints is on an external device instead of a Cisco ACI bridge domain SVI?
A. unicast routing
B. ARP flooding
C. unknown unicast flooding
D. proxy ARP
E. Reveal Answer
View answer
Correct Answer: C
Question #25
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 #26
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 #27
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 #28
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 designated as the primary pod
B. o the local service node for processing
C. o the pod with the active service node
D. o a collector in the Inter-Pod Network
View answer
Correct Answer: C
Question #29
What is the purpose of enabling ARP flooding when VMs are migrated from a pre-existing network to Cisco ACI and their gateways remain configured in the legacy setup?
A. to avoid endpoint flapping between the legacy network and the ACI fabric
B. to prevent VMs from communicating with physical servers within the ACI fabric
C. to allow communication between VMs and silent hosts
D. to allow VMs to communicate with devices outside of their subnet
View answer
Correct Answer: A
Question #30
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 #31
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 #32
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 #33
Refer to the exhibit.Which configuration must be implemented on L3Out EBGP to advertise out of the fabric 172.16.2.0/24 network that is learned from L3Out OSPF?
A. ption B
B. ption A
C. ption C
D. ption D
View answer
Correct Answer: D
Question #34
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 #35
A host that is connected to a Cisco ACI fabric leaf switch sends an ARP request. Which transmission method does the ingress switch use to send the ARP requests?
A. anycast
B. broadcast
C. multicast
D. unicast
E. Reveal Answer
View answer
Correct Answer: D
Question #36
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. CMP
B. CP optimization
C. isabled fragmentation
D. umbo frames
View answer
Correct Answer: A
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 configures a new Cisco ACI Multi-Pod and must set up the link between the spine and the IPN device. Which three actions should be taken to accomplish this goal? (Choose three.)
A. Enable MP-BGP routing
B. Enable BIDIR-PIM protocol
C. Enable PIM-SM protocol
D. Enable OSPF routing
E. Enable IS-IS routing
F. Enable DHCP relay
G. Reveal Answer
View answer
Correct Answer: ABF

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