300-630 Online Practice Questions and Answers

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 consumes the ARP reply of VM2 to update the local endpoint table.

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

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 advertise externally

C. Configure subnets that are shared between VRFs

D. Configure subnets that are private to VRF

Refer to the exhibit. Which combination of flags in the Cisco ACI contract allows a client in WebClient EPG to establish an HTTP connection toward a server in WebServer EPG?

A. Apply Both Direction ENABLED and Reverse Port Filter ENABLED

B. Apply Both Direction DISABLED and Reverse Port Filter DISABLED

C. Apply Both Direction DISABLED and Reverse Port Filter ENABLED

D. Apply Both Direction ENABLED and Reverse Port Filter DISABLED

Which two components must be configured as stretched to establish intra-VRF communication between two EPGs that are deployed in different sites and different bridge domains? (Choose two.)

A. contract

B. tenant

C. application profile

D. bridge domain

E. EPG

Refer to the exhibit. Between Cisco UCS Fls and Cisco ACI leaf switches, CDP is disabled, the LLDP is enabled, and LACP is in Active mode. Which two discovery protocols and load-balancing mechanism combinations can be implemented for the DVS? (Choose two.)

A. CDP enabled, LLDP disabled, and LACP Active

B. CDP disabled, LLDP enabled, and MAC Pinning

C. CDP enabled, LLDP disabled, and MAC Pinning

D. CDP enabled, LLDP enabled, and LACP Active

E. CDP enabled, LLDP disabled, and LACP Passive

F. CDP disabled, LLDP enabled, and LACP Passive

A cloud provider must make a pair of firewalls available to all tenants. Each tenant defines its own service graph. Where should the Layer 4 to Layer 7 service be configured to accomplish this goal?

A. management tenant

B. infrastructure tenant

C. user tenant

D. common tenant

Refer to the exhibit. A customer experiences resource overconsumption on one of its border leaf switches. Which action should be taken to reduce the consumption on this switch?

A. Disable VRF Policy Control Enforcement

B. Disable IP Data Plane Learning

C. Migrate L3Outs to another switch

D. Disable Remote EP Learning

An organization expands a Cisco ACI Multi-Pod from two to six pods and must ensure that the control plane scales. What should be configured in the IPN to ensure that BUM traffic is forwarded efficiently across the IPN?

A. spine headend replication

B. BIDIR-PIM

C. MP-BGP

D. MSDP

What is a characteristic of a stretched bridge domain solution between Cisco ACI sites with Layer 2 flood disabled?

A. The application profile that is associated to the bridge domain have local significance in each site.

B. The tenant and VRF that associated to the bridge domain have local significance in each site.

C. Headend replication is used for BUM traffic between sites.

D. IP mobility is ensured between sites for disaster recovery.

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

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.

Which action reduces the impact on workload when migrating from the existing Cisco NX-OS VXLAN network infrastructure to the Cisco ACI fabric?

A. Disable bridge domain unicast routing while a default gateway is in VXLAN infrastructure

B. Set the default gateway in the Cisco ACI and VXLAN fabrics

C. Use ACI spines for the Cisco ACI and VXLAN fabrics

D. Configure vPC between the standalone Nexus and the Cisco ACI leaf

An engineer created a Cisco ACI environment in which multiple tenants reuse the same contract. The requirement is to prevent inter-tenant communication. Which action meets this requirement?

A. Create the contract in the user tenant with the scope set to VRF and exported to other tenants

B. Create the contract in the common tenant with the scope set to Tenant

C. Create the contract in the user tenant with the scope set to Global and exported to other tenants

D. Create the contract in the common tenant with the scope set to Global

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