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  5. Implementing Cisco Application Centric Infrastructure (300-620 DCACI) Questions and Answers

300-620 Implementing Cisco Application Centric Infrastructure (300-620 DCACI) Questions and Answers

Questions 4

Which class of ACI object is presented in this output?

300-620 Question 4

Options:

A.

Contract

B.

Bridge Domain

C.

Tenant

D.

Endpoint

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Questions 5

300-620 Question 5

Refer to the exhibit. An engineer must allow IP mobility between Site1 and Site2 in a Cisco ACI Multi-Site orchestrator. The design must meet these requirements:

A disaster recovery (DR) solution must exist between the sites that do not require vMotion support.

The application must be started at a DR site without having to re-IP the application servers.

The solution must avoid any broadcast storms between the sites.

Which two actions meet these criteria? (Choose two.)

Options:

A.

Define a unique bridge domain subnet per site.

B.

Configure STP between Cisco ACI fabrics.

C.

Deploy a local EPG for Site1 and Site2.

D.

Disable Inter-site BUM Traffic.

E.

Apply the L2 Stretch feature.

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Questions 6

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

Options:

A.

Endpoints must connect directly to the ACI leaf port.

B.

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

C.

Endpoint learning encompasses the MAC address only.

D.

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

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Questions 7

How is broadcast forwarded in Cisco ACI Multi-Pod after ARP flooding is enabled?

Options:

A.

Ingress replication is used on the spines to forward broadcast frames in the IPN infrastructure.

B.

Within a pod, the ingress leaf switch floods the broadcast frame on all fabric ports.

C.

Broadcast frames are forwarded inside the pod and across the IPN using the multicast address that is associated to the bridge domain.

D.

For the specific bridge domain, all spines forward the broadcast frames to IPN routers.

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Questions 8

All workloads in VLAN 1001 have been migrated into EPG-1001. The requirement is to move the gateway address for VLAN 1001 from the core outside the Cisco ACI fabric into the Cisco ACI fabric. The endpoints in EPG-1001 must route traffic to endpoints in other EPGs and minimize flooded traffic in the fabric. Which configuration set is needed on the bridge domain to meet these requirements?

Options:

A.

Disable ARP Flood

Disable Limn Endpoint Learning

B.

Enable Hardware Proxy Enable Unicast Routing

C.

Disable Local IP Learning Limit Disable Unicast Routing

D.

Enable Flood

Enable Unicast Routing

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Questions 9

Which table holds IP address, MAC address and VXLAN/VLAN information on a Cisco ACI leaf?

Options:

A.

endpoint

B.

adjacency

C.

RIB

D.

ARP

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Questions 10

What is a requirement for Cisco ACI IPN to manage multidestination traffic?

Options:

A.

pervasive gateway

B.

unicast routing

C.

anycast gateway

D.

multicast routing

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Questions 11

In the context of VMM, which protocol between ACI leaf and compute hosts ensures that the policies are pushed to the leaf switches for immediate and on demand resolution immediacy?

Options:

A.

VXLAN

B.

LLDP

C.

ISIS

D.

STP

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Questions 12

How is an EPG extended outside of the ACI fabric?

Options:

A.

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

B.

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

C.

Enable unicast routing within an EPG.

D.

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

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Questions 13

A customer is deploying a new application across two ACI pods that is sensitive to latency and jitter. The application sets the DSCP values of packets to AF31 and CS6, respectively. Which configuration changes must be made on the APIC to support the new application and prevent packets from being delayed or dropped between pods?

Options:

A.

disable DSCP mapping on the IPN devices

B.

disable DSCP translation policy

C.

align the ACI QoS levels and IPN QoS policies

D.

align the custom QoS policy on the EPG site in the customer tenant

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Questions 14

Which type of profile needs to be created to deploy an access port policy group?

Options:

A.

attachable entity

B.

Pod

C.

module

D.

leaf interface

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Questions 15

An engineer must advertise a bridge domain subnet out of the ACI fabric to an OSPF neighbor. Which two configuration steps are required? (Choose two.)

Options:

A.

Configure Subnet scope to Advertised Externally

B.

Add External Subnet for External EPG flag under External EPG.

C.

Create Route Control Profile with the export direction under External EPG.

D.

Add L30ut profile to the bridge domain using Associated L30uts section

E.

Configure the Subnet under the EPG level.

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Questions 16

An ACI engineer is implementing a Layer 3 out inside the Cisco ACI fabric that must meet these requirements:

  • The data center core switch must be connected to one of the leaf switches with a single 1G link.
  • The routes must be exchanged using a link-state routing protocol that supports hierarchical network design.
  • The data center core switch interface must be using 802.1Q tagging, and each vlan will be configured with a dedicated IP address.

Which set of steps accomplishes these goals?

Options:

A.

Set up the ElGRP Protocol policy with the selected Autonomous System number. Set up the Routed External Network object ana Node Profile, selecting ElGRP Create the Switch profile, selecting Port-channel and the appropriate interfaces Create the default network and associate it with the Routed Outside object.

B.

Set up the BGP Protocol policy with the Autonomous System number of 0.

Configure an interface policy and an External Bridged Domain.

Create an External Bridged Network using the configured VLAN pool.

Build the Leaf profile, selecting Routed sub-interface and the appropriate VLAN.

C.

Configure the OSPF Protocol policy with an area of 0.

Create Routed Outside object and Node Profile, selecting OSPF as the routing protocol. Build the Interface profile, selecting Routed Sub-interface and the appropriate VLAN. Configure the External Network object with a network of 0.0.0.0/0.

D.

Set up the ElGRP Protocol policy with the selected Autonomous System number. Create the Routed Outside object and Node Profile selecting ElGRP Configure the Interface profile selecting Routed Interface and the appropriate interfaces. Create the External Network object with a network of 0.0.0.0/0.

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Questions 17

A data center administrator is upgrading an ACI fabric. There are 3 APIC controllers in the fabric and all the servers are dual-homed to pairs of leaf switches configured in VPC mode. How should the fabric be upgraded to minimize possible traffic impact during the upgrade?

300-620 Question 17

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 18

A packet is routed between two endpoints on different Cisco ACI leaf switches. Which VXLAN VNID is applied to the packet?

Options:

A.

FD

B.

EPG

C.

VRF

D.

BD

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Questions 19

A Solutions Architect is asked to design two data centers based on Cisco ACI technology that can extend L2/ L3, VXLAN, and network policy across locations. ACI Multi-Pod has been selected. Which two requirements must be considered in this design? (Choose two.)

Options:

A.

ACI underlay protocols, i.e. COOP, IS-IS and MP-BGP, spans across pods. Create QoS policies to make sure those protocols have higher priority.

B.

A single APIC Cluster is required in a Multi-Pod design. It is important to place the APIC Controllers in different locations in order to maximize redundancy and reliability.

C.

ACI Multi-Pod requires an IP Network supporting PIM-Bidir.

D.

ACI Multi-Pod does not support Firewall Clusters across Pods. Firewall Clusters should always be local.

E.

Multi-Pod requires multiple APIC Controller Clusters, one per pod. Make sure those clusters can communicate to each other through a highly available connection.

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Questions 20

An engineer must ensure that Cisco ACI flushes the appropriate endpoints when a topology change notification message is received in an MST domain. Which three steps are required to accomplish this goal? (Choose three.)

Options:

A.

Enable the BPDU interface controls under the spanning tree interface policy.

B.

Configure a new STP interface policy.

C.

Bind the spanning tree policy to the switch policy group.

D.

Associate the STP interface policy to the appropriate interface policy group.

E.

Create a new region policy under the spanning tree policy.

F.

Map VLAN range to MAT instance number.

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Questions 21

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?

Options:

A.

ingress replication on the spines in the source site

B.

egress replication on the destination leaf switches

C.

egress replication on the source leaf switches

D.

ingress replication on the spines in the destination site

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Questions 22

A Cisco ACI bridge domain and VRF are configured with a default data-plane learning configuration. Which two endpoint attributes are programmed in the leaf switch when receiving traffic? (Choose two.)

Options:

A.

Remote MAC. IP

B.

Remote Subnet

C.

Local IP, not MAC

D.

Local MAC, IP

E.

Local Subnet

F.

Remote IP

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Questions 23

An organization has encountered many STP-related issues in the past due to failed hardware components. They are in the process of long-term migration to a newly deployed ACI fabric. Senior engineers are worried that spanning-tree loops in the existing network may be extended to the ACI fabric. Which feature must be enabled on the ACI leaf ports to protect the fabric from spanning-tree loops?

Options:

A.

BPDU Guard

B.

per-VLANMCP

C.

Storm Control

D.

BPDU Filter

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Questions 24

An engineer must advertise a selection of external networks learned from a BGP neighbor into the ACI fabric. Which L3Out subnet configuration option creates an inbound route map for route filtering?

Options:

A.

External Subnets for the External EPG

B.

Shared Route Control Subnet

C.

Import Route Control Subnet

D.

Shared Security Import Subnet

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Questions 25

An engineer wants to monitor all configuration changes, threshold crossing, and link-state transitions in a Cisco ACI fabric. Which action must be taken to receive the required messages?

Options:

A.

Add Faults and Events to the monitor policy.

B.

Add Session Logs and Audit Logs to the monitor policy.

C.

Include Audit Logs and Events in the Syslog source policy.

D.

Include Events and Session Logs in the Syslog source policy.

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Questions 26

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?

Options:

A.

from leaf ports tagged as VLAN 0

B.

from leaf ports untagged

C.

from leaf ports tagged as VLAN 4094

D.

from leaf ports tagged as VLAN 1

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Questions 27

An engineer deploys a two-pod Cisco ACI Multi-Pod environment. Why should no more than two Cisco APIC controllers be deployed in the same pod?

Options:

A.

to enable equal capacity to scale in each pod

B.

to avoid losing all replicas of a shard if a pod fails

C.

to avoid hair-pinning traffic that is destined for the primary APIC controller between pods

D.

to ensure that all nodes in all pods have local access to a controller

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Questions 28

300-620 Question 28

Refer to the exhibit. The EPG-100 must be extended to the vCenter as a port group with a tagged VLAN ID of 100. Which set of actions accomplishes this goal?

Options:

A.

Define a static VLAN range (from 100-200) under a VLAN pool that is associated with the dc1vcdev domain.

Associate the dc1vcdev domain with EPG and select these settings:

Untagged VLAN Access: unselected

VLAN Mode: Static with Encap: 100

B.

Define a static VLAN range (from 100-200) under a VLAN pool that is associated with the dc1vcdev domain.

Associate the dc2vcdev domain with EPG and select these settings:

Untagged VLAN Access: selected

VLAN Mode: Static with Encap: 100

C.

Define a dynamic VLAN range (from 100-200) under a VLAN pool that is associated with the del vdev domain.

Associate the dc1vcdev domain with EPG and select these settings:

Untagged VLAN Access: unselected

VLAN Mode: Static with Encap: 100

D.

Define a dynamic VLAN range (from 100-200) under a VLAN pool that is associated with the dc1vdev domain.

Associate the dc2vcdev domain with EPG and select these settings:

Untagged VLAN Access: selected

VLAN Mode: Static with Encap: 100

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Exam Code: 300-620
Exam Name: Implementing Cisco Application Centric Infrastructure (300-620 DCACI)
Last Update: Apr 18, 2024
Questions: 192

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