An ACI administrator notices a change in the behavior of the fabric. Which action must be taken to determine if a human intervention introduced the change?

Inspect audit logs in the APIC UI to see all user events.

Inspect event records in the APIC UI to see all actions performed by users.

Inspect /var/log/audit_messages on the APIC to see a record of all user actions.

Inspect audit logs in the APIC UI to see all user events.

Inspect the output of show command history in the APIC CLI.

Which components must be configured for the BGP Route Reflector policy to take effect?

spine fabric interface overrides and profiles

leaf fabric interface overrides and profiles

A situation causes a fault to be raised on the APIC. The ACI administrator does not want that fault to be raised because it is not directly relevant to the environment. Which action should the administrator take to prevent the fault from appearing?

Under System -> Faults, right-click on the fault and select Ignore Fault to create a fault severity assignment policy that hides the fault.

Under System -> Faults, right-click on the fault and select Acknowledge Fault so that acknowledged faults will immediately disappear.

Create a stats threshold policy with both rising and falling thresholds defined so that the critical severity threshold matches the squelched threshold.

Under System -> Faults, right-click on the fault and select Ignore Fault to create a fault severity assignment policy that hides the fault.

Create a new global health score policy that ignores specific faults as identified by their unique fault code.

An engineer is implementing Cisco ACI at a large platform-as-a-service provider using APIC controllers, 9396PX leaf switches, and 9336PQ spine switches. The leaf switch ports are configured as IEEE 802.1p ports. Where does the traffic exit from the EPG in IEEE 802.1p mode in this configuration?

from leaf ports tagged as VLAN 0

from leaf ports tagged as VLAN 4094

from leaf ports tagged as VLAN 1

How is an EPG extended outside of the ACI fabric?

Statically assign a VLAN ID to a leaf port in an EPG.

Create an external bridged network that is assigned to a leaf port.

Create an external routed network that is assigned to an EPG.

Enable unicast routing within an EPG.

Statically assign a VLAN ID to a leaf port in an EPG.

Which description regarding the initial APIC cluster discovery process is true?

The APIC uses an internal IP address from a pool to communicate with the nodes.

Every switch is assigned a unique AV by the APIC.

The APIC discovers the IP address of the other APIC controllers by using Cisco Discovery Protocol.

The ACI fabric is discovered starting with the spine switches.

Which two types of interfaces are supported on border leaf switches to connect to an external router? (Choose two.)

subinterface with 802.1Q tagging

subinterface with VXLAN tagging

subinterface with 802.1Q tagging

An engineer is extending an EPG out of the ACI fabric using static path binding. Which statement about the endpoints is true?

Endpoint learning encompasses the MAC address only.

Endpoints must connect directly to the ACI leaf port.

External endpoints are in a different bridge domain than the endpoints in the fabric.

Endpoint learning encompasses the MAC address only.

External endpoints are in the same EPG as the directly attached endpoints.

Which setting prevents the learning of Endpoint IP addresses whose subnet does not match the bridge domain subnet?

“Limit IP learning to subnet” setting within the bridge domain.

“Limit IP learning to network” setting within the bridge domain.

“Limit IP learning to subnet” setting within the EPG.

“Limit IP learning to network” setting within the EPG.

“Limit IP learning to subnet” setting within the bridge domain.

Which endpoint learning operation is completed on the egress leaf switch when traffic is received from an L3Out?

The source MAC address of the traffic is learned as a remote endpoint.

The source MAC and IP address of the traffic is learned as a local endpoint.

The source MAC address of the traffic is learned as a remote endpoint.

No source MAC or IP address of the traffic is learned as a remote endpoint.

The source IP address of the traffic is learned as a remote endpoint.

An engineer is extending EPG connectivity to an external network. The external network houses the Layer 3 gateway and other end hosts. Which ACI bridge domain configuration should be used?

Forwarding: CustomL2 Unknown Unicast: FloodL3 Unknown Multicast Flooding: Flood Multi Destination Flooding: Flood in BD ARP Flooding:Enabled

Forwarding: CustomL2 Unknown Unicast: Hardware Proxy L3 Unknown Multicast Flooding: Flood Multi Destination Flooding: Flood in BD ARP Flooding: Enabled

Forwarding: CustomL2 Unknown Unicast: FloodL3 Unknown Multicast Flooding: Flood Multi Destination Flooding: Flood in BD ARP Flooding:Enabled

Forwarding: CustomL2 Unknown Unicast: Hardware Proxy L3 Unknown Multicast Flooding: Flood Multi Destination Flooding: Flood in BD ARP Flooding: Disabled

Forwarding: CustomL2 Unknown Unicast: FloodL3 Unknown Multicast Flooding: Flood Multi Destination Flooding: Flood in BD ARP Flooding:Disabled

An engineer configured a bridge domain with the hardware-proxy option for Layer 2 unknown unicast traffic. Which statement is true about this configuration?

The leaf switch drops the Layer 2 unknown unicast packet if it is unable to find the MAC address in the local forwarding tables.

The Layer 2 unknown hardware proxy lacks support of the topology change notification.

The leaf switch forwards the Layers 2 unknown unicast packets to all other leaf switches if it is unable to find the MAC address in its local forwarding tables.

The spine switch drops the Layer 2 unknown unicast packet if it is unable to find the MAC address in the proxy database.

An engineer configured Layer 2 extension from the ACI fabric and changed the Layer 2 unknown unicast policy from Flood to Hardware Proxy. How does this change affect the flooding of the L2 unknown unicast traffic?

It is forwarded to one of the spines to perform as a spine proxy.

It is flooded within the whole fabric.

It is dropped by the leaf when the destination endpoint is not present in the endpoint table.

It is forwarded to one of the APICs to perform as a proxy.

Which action sets Layer 2 loop migration in an ACI Fabric with a Layer 2 Out configured?

Disable STP in the external network.

Which two actions extend a Layer 2 domain beyond the ACI fabric? (Choose two.)

extending the bridge domain out of the ACI fabric

extending the EPG out of the ACI fabric

extending the routed domain out of the ACI fabric

creating a single homed Layer 3 Out

creating an external physical network

extending the bridge domain out of the ACI fabric

extending the EPG out of the ACI fabric

When Cisco ACI connects to an outside Layers 2 network, where does the ACI fabric flood the STP BPDU frame?

between all the spine and leaf switches

On which two interface types should a user configure storm control to protect against broadcast traffic? (Choose two.)

port channel on a single leaf switch

endpoint-facing trunk interface

port channel on a single leaf switch

all interfaces on the leaf switches in the fabric

endpoint-facing trunk interface

fabric uplink interfaces on the leaf switches

Regarding the MTU value of MP-BGP EVPN control plane packets in Cisco ACI, which statement about communication between spine nodes in different sites is true?

By default, spine nodes generate 9000-bytes packets to exchange endpoints routing information. As a result, the Inter-Site network should be able to carry 9100-bytes packets.

By default, spine nodes generate 9000-bytes packets to exchange endpoints routing information. As a result, the Inter-Site network should be able to carry 9000-bytes packets.

By default, spine nodes generate 1500-bytes packets to exchange endpoints routing information. As a result, the Inter-Site network should be able to carry 1800-bytes packets.

By default, spine nodes generate 1500-bytes packets to exchange endpoints routing information. As a result, the Inter-Site network should be able to carry 1500-bytes packets.

By default, spine nodes generate 9000-bytes packets to exchange endpoints routing information. As a result, the Inter-Site network should be able to carry 9100-bytes packets.

When configuring Cisco ACI VMM domain integration with VMware vCenter, which object is created in vCenter?

VMware vSphere Distributed Switch

VMware vSphere Standard vSwitch

VMware vSphere Distributed Switch

An engineer has set the VMM resolution immediacy to pre-provision in a Cisco ACI environment. No Cisco Discovery Protocol neighborship has been formed between the hypervisors and the ACI fabric leaf nodes. How does this affect the download policies to the leaf switches?

Policies are downloaded to the ACI leaf switch regardless of Cisco Discovery Protocol neighborship.

No policies are downloaded because LLDP is the only supported discovery protocol.

Policies are downloaded when the hypervisor host is connected to the VMM VDS.

Policies are downloaded to the ACI leaf switch regardless of Cisco Discovery Protocol neighborship.

No policies are downloaded because there is no discovery protocol neighborship.

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An engineer is implementing a Cisco ACI data center network that includes Cisco Nexus 2000 Series 10G fabric extenders. Which physical topology is supported?

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