Cisco Cisco Certifications 600-660 Questions & Answers

• Question 11:

  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

  Correct Answer: B

  Reference: https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-739609.html#CiscoACIMultiSiteoverlaydataplane

• Question 12:

  

  Refer to the exhibit. An engineer extends a Cisco ACI Multi-Pod setup to a Cisco ACI Multi-Site implementation. Which action allows the interconnection?

  A. Configure BIDIR-PIM in the IPN and ISN

  B. Use dedicated uplinks on Site 1 spines for ISN connections

  C. Connect all spines to the IPN and ISN

  D. Filter the advertisement of the Site 2 TEP pool into the IPN

  Correct Answer: A

• Question 13:

  

  Refer to the exhibit. Which two configuration steps are required in ISN for Cisco ACI Multi-Site setup? (Choose two.)

  A. Connect Spine2 to ISN routers.

  B. Configure BIDIR-PIM throughout the ISN

  C. Increase ISN MTU to support the maximum MTU that is sent by endpoints

  D. Configure OSPF between spines and ISN routers

  E. Enable IGMPv3 on ISN routers

  Correct Answer: DE

• Question 14:

  An engineer creates the objects that must be deployed at each site in Cisco ACI Multi-Site Orchestrator. Which action should be taken before the schema can be associated with the newly configured site?

  A. Attach the templates to the newly configured site

  B. Configure a provider for the Cisco ACI Multi-Site Orchestrator

  C. Import existing policies from an existing tenant to Cisco ACI Multi-Site Orchestrator

  D. Configure the Infra Site-Specific Settings

  Correct Answer: A

• Question 15:

  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. ingress replication on the spines in the source site

  B. egress replication on the source leaf switches

  C. egress replication on the destination leaf switches

  D. ingress replication on the spines in the destination site

  Correct Answer: D

  Reference: http://yves-louis.com/DCI/?p=1277

• Question 16:

  An engineer configures a new Cisco ACI Multi-Site Orchestrator node to join an MSO cluster. Which two components are necessary to ensure that the new node has IP connectivity in this configuration? (Choose two.)

  A. Cisco ACI spine interfaces that are connected to ISN

  B. Cisco APICs over the OOB management network

  C. existing Cisco ACI Multi-Site Orchestrator node

  D. management IP of ESXi hosts where the controllers are deployed

  E. OOB interface of ISN

  Correct Answer: BC

  Reference: https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-739609.html

• Question 17:

  A network engineer configured an active-active firewall cluster that is stretched across separate pods in the Cisco ACI fabric. Which two implementation setups for anycast services are available? (Choose two.)

  A. Modify the Cisco ACI contract scope

  B. Modify the MAC address on the second firewall

  C. Configure the firewalls behind an EPG subnet

  D. Deselect No Default SVI Gateway under EPG Subnet

  E. Deploy a Layer 4 to Layer 7 service graph with PBR

  Correct Answer: BC

• Question 18:

  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. 9000

  B. 1554

  C. 9100

  D. 1600

  Correct Answer: C

  Reference: https://www.cisco.com/c/en/us/support/docs/cloud-systems-management/application-policy-infrastructure-controller-apic/214270-configure-aci-multi-site-deployment.html

• Question 19:

  What is the advantage of implementing an active-active firewall cluster that is stretched across separate pods when anycast services are configured?

  A. A different MAC/IP combination can be configured for the firewall in each pod.

  B. The local pod anycast node is preferred by the local spines.

  C. A cluster can be deployed in transparent mode across pods.

  D. Local traffic in a pod is load-balanced between the clustered firewalls.

  Correct Answer: A

• Question 20:

  An organization deploys active-active data centers and active-standby firewalls in each data center. Which action should be taken in a Cisco ACI Multi-Pod to maintain traffic symmetry through the firewalls?

  A. Enable Endpoint Dataplane Learning

  B. Disable service node Health Tracking

  C. Enable Pod ID Aware Redirection

  D. Disable Resilient Hashing

  Correct Answer: B