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Implementing Cisco Application Centric Infrastructure - Advanced Certification Sample Questions and Practice Exam
NEW QUESTION 30
An engineer designs a Cisco ACI Multi-Pod solution that requires a pair of active-standby firewalls in different pods for external connectivity. How should the firewalls be implemented?
- A. PBR for routed firewalls
- B. routed firewall for the default gateway
- C. transparent firewalls
- D. separate L3Out peerings for routed firewalls
Answer: C
NEW QUESTION 31
In a Cisco ACI Multi-Site fabric, the Inter-Site BUM Traffic Allow option is enabled in a specific stretched bridge domain. What is used to forward BUM traffic to all endpoints in the same broadcast domain?
- A. egress replication on the source leaf switches
- B. egress replication on the destination leaf switches
- C. ingress replication on the spines in the destination site
- D. ingress replication on the spines in the source site
Answer: C
Explanation:
Section: Multisite
Explanation/Reference: http://yves-louis.com/DCI/?p=1277
NEW QUESTION 32
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. L2
- B. L1
- C. GoThrough
- D. GoTo
Answer: A
NEW QUESTION 33 
Refer to the exhibit. Drag and drop the subnets and flags from the left into the External Network Instance Profile policies on the right to create a setup that advertises only 10.10.0.0/24 and 10.10.1.0/24 prefixes in VRF1 and establishes connectivity between VRFs. Not all options are used.
Answer:
Explanation:
NEW QUESTION 34
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 Endpoint Dataplane Learning
- B. Enable Enforce Subnet Check
- C. Enable Limit IP Learning to Subnet
- D. Disable Remote EP Learn
Answer: B
NEW QUESTION 35
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. proxy ARP
- D. unknown unicast flooding
Answer: D
Explanation:
Section: Advanced ACI Policies and Integrations
NEW QUESTION 36 
Refer to the exhibit. Which two configurations enable inter-VRF communication? (Choose two.)
- A. Change the subject scope to VRF
- B. Change the contract scope to Tenant
- C. Enable Advertise Externally under the subnet scope
- D. Export the contract and import as a contract interface
- E. Set the subnet scope to Shared Between VRFs
Answer: C,D
Explanation:
Section: Advanced ACI Policies and Integrations
NEW QUESTION 37
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. Configure POD 2 Data Plane TEP under the Pod Connection Profile
- B. Select the Route Reflector field in Pod Peering
- C. Add the IPN subnet under the Fabric External Routing Profile
- D. Enable the DSCP class-cos translation policy for Layer 3 traffic
Answer: C
NEW QUESTION 38
Cisco ACI fabric is migrated from network-centric mode to application-centric mode. What is possible in an application-centric design?
- A. creation of additional EPGs under one bridge domain
- B. Cisco ACI VMM integration with hypervisors
- C. remapping of VLAN pools
- D. migration of bare metal servers to virtual machines
Answer: A
NEW QUESTION 39
Refer to the exhibit.
An engineer wants to avoid connectivity problems for the endpoint EP1 when it reaches an external L3Out network through the gateway 10.2.2.254/24. Which two configurations must be implemented in BD-BD2? (Choose two.)
- A. Enable ARP flooding
- B. Disable unicast routing
- C. Enable unicast routing
- D. Enable IP data plane learning for the VRF
- E. Disable ARP flooding
Answer: B,E
NEW QUESTION 40
An existing Cisco ACI Multi-Site setup with default fabric settings contains endpoints that communicate with an MTU of 1500. What is the minimum MTU value that must be supported by the ISN to allow control plane endpoint information exchange between sites?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 41 
Refer to the exhibit. A customer implements Cisco ACI Multi-Site with default MTU settings between two sites.
Which configuration should be applied on the interface Eth1/10 on the ISN-1 device?
- A.
- B.
- C.
- D.
Answer: C
Explanation:
Section: Multisite
NEW QUESTION 42
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. Option A
- B. Option D
- C. Option B
- D. Option C
Answer: A
NEW QUESTION 43
What are two characteristics of network-centric design in Cisco ACI? (Choose two.)
- A. EPGs are used for microsegmentation
- B. A bridge domain has one subnet and one EPG
- C. There is open communication between EPGs
- D. Applications define the network requirements
- E. EPGs are different security zones
Answer: A,B
NEW QUESTION 44
Which action should be taken in Cisco ACI to reassign a unique globally scoped pcTag to an EPG that provides a global contract?
- A. Configure subnets that are treated as virtual IP
- B. Configure subnets that are shared between VRFs
- C. Configure subnets that advertise externally
- D. Configure subnets that are private to VRF
Answer: B
NEW QUESTION 45
How does Cisco ACI manage the STP BPDUs between two pods?
- A. BPDUs are forwarded over IPN using the bridge domain GIPo multicast address
- B. Special multicast group 239.255.255.255 is used to forward STP BPDUs
- C. Cisco ACI spines suppress STP BPDUs to be forwarded to other pods
- D. Cisco ACI spines perform ingress replication for STP BPDUs
Answer: A
NEW QUESTION 46
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 GARP-based EP Move Detection Mode
- B. Enable Rouge Endpoint Control
- C. Enable Enforce Subnet Check
- D. Disable Remote EP Learn
Answer: A
NEW QUESTION 47
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 Endpoint Dataplane Learning
- B. Enable Enforce Subnet Check
- C. Enable Limit IP Learning to Subnet
- D. Disable Remote EP Learn
Answer: B
Explanation:
Section: ACI Packet Forwarding
Explanation/Reference: https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric- infrastructure/white-paper-c11-739989.html
NEW QUESTION 48
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. Leaf 101 switch consumes the ARP reply of VM2 to update the local endpoint table.
- C. POD1 spine responds to the ARP request after the POD1 COOP is updated with the VM2 location.
- D. Leaf 101 encapsulates the ARP request into a multicast packet that is destined to 225.0.37.192.
Answer: A
NEW QUESTION 49 
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. L2
- B. L1
- C. GoThrough
- D. GoTo
Answer: A
Explanation:
Section: Multipod
NEW QUESTION 50
Refer to the exhibit.
What must be configured in the service graph to redirect HTTP traffic between the EPG client and EPG server to go through the Cisco ASA firewall?
- A. contract filter to allow ARP and HTTP
- B. contract with no filter
- C. precise filter to allow only HTTP traffic
- D. permit-all contract filter
Answer: A
NEW QUESTION 51
What are two characteristics of Cisco ACI and Spanning Tree Protocol interaction? (Choose two.)
- A. When a TCN BPDU is received in a VLAN, Cisco ACI flushes the endpoints for the associated encapsulation.
- B. MST BPDUs are flooded correctly in Cisco ACI fabric without additional configuration.
- C. BPDU filter and BPDU guard can be configured on Cisco ACI leaf edge ports.
- D. Cisco ACI must be configured as the STP root for all VLANs.
- E. STP BPDUs are dropped due to MCP.
Answer: C,D
Explanation:
Section: Traditional network with ACI
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/aci_virtual_edge/configuration/1-x/ b_Virtual_Edge_Config_Guide_1_2_2/b_Virtual_Edge_Config_Guide_1_2_2_chapter_0101.html
NEW QUESTION 52
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