Cisco Cisco Certifications 600-660 Questions & Answers

• Question 31:

  

  Refer to the exhibit. Which configuration must be implemented to allow intra-VRF transit routing between the two external routers?

  A. Deploy both areas under the same L3Out policy

  B. Change one of the areas to area 0

  C. Configure OSPF virtual links

  D. Modify L3Out 1 to use the same OSPF area as L3Out 2

  Correct Answer: A

• Question 32:

  

  Refer to the exhibit. Which configuration mode must be selected for the VMM vSwitch Port Channel policy to avoid MAC flapping on the Cisco UCS Fls and Cisco ACI leaf switches?

  A. LACP Passive

  B. MAC Pinning

  C. LACP Active

  D. Static Channel ?Mode On

  Correct Answer: B

• Question 33:

  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

  Correct Answer: C

• Question 34:

  

  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.

  B.

  C.

  D.

  Correct Answer: A

• Question 35:

  

  Refer to the exhibit. The 0.0.0.0/0 is configured as a default static route on L3Out-1. Which action should be taken for the 0.0.0.0/0 prefix to advertise out on L3Out-2 OSPF?

  A. Enable Shared Security Import Subnet

  B. Enable Aggregate Export Subnet

  C. Enable Shared Route Control Subnet

  D. Enable Export Route Control Subnet

  Correct Answer: B

• Question 36:

  

  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. Disable unicast routing

  B. Enable IP data plane learning for the VRF

  C. Disable ARP flooding

  D. Enable ARP flooding

  E. Enable unicast routing

  Correct Answer: AC

• Question 37:

  

  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

  Correct Answer: BE

• Question 38:

  

  Refer to the exhibit. An engineer must have communication between EPG1 in VRF1 and External EPG in VRF2. Which three actions should be taken for the defined subnets in the L3Out External EPG to accomplish this goal? (Choose three.)

  A. Enable Shared Route Control Subnet

  B. Enable External Subnets for External EPG

  C. Enable Export Route Control Subnet

  D. Enable Shared Security Import Subnet

  E. Enable Aggregate Shared Routes

  F. Enable Import Route Control Subnet

  Correct Answer: CDF

  Reference: https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/guide-c07-743150.html

• Question 39:

  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

  Correct Answer: DE

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

• Question 40:

  Which two actions should be taken to ensure a scalable solution when multiple EPGs in a VRF require unrestricted communication? (Choose two.)

  A. Configure a taboo contract between the EPGs that require unrestricted communication between each other.

  B. Enable Preferred Group Member under the EPG Collection for VRF section.

  C. Set the VRF policy control enforcement preference to Unenforced.

  D. Set the EPGs that require unrestricted communication between each other as preferred group members.

  E. Set the EPGs that require policy enforcement between each other as preferred group members.

  Correct Answer: CD

  Reference: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/4-x/basic-configuration/Cisco-APIC-Basic-Configuration-Guide-42x/Cisco-APIC-Basic-Configuration-Guide-42x_chapter_0110.html