Cisco 600-660 Online Practice Questions and Exam Preparation

Cisco 600-660 Online Questions & Answers

• Question 21:

  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
  B. Cisco APICs over the OOB management network
  C. existing Cisco ACI Multi-Site Orchestrator node

• Question 22:

  What is the purpose of the Forwarding Tag (FTAG) in Cisco ACI?

  A. FTAG is used in Cisco ACI to add a label to the iVXLAN traffic in the fabric to apply the correct policy.
  B. FTAG is used in Cisco ACI to add a label to the VXLAN traffic in the fabric to apply the correct policy.
  C. FTAG trees in Cisco ACI are used to load balance unicast traffic.
  D. FTAG trees in Cisco ACI are used to load balance mutli-destination traffic.
  D. FTAG trees in Cisco ACI are used to load balance mutli-destination traffic.

• Question 23:

  

  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
  B. Disable IP Data Plane Learning

• Question 24:

  

  Refer to the exhibit. A customer implements Cisco ACI Multi-Site with default MTU settings between two sites. Which configuration should be applied on the interface Eth1/10 on the ISN-1 device?

  A

• Question 25:

  What does the VXLAN source port add to the overlay packet forwarding when it uses the hash of Layer 2, Layer 3, and Layer 4 headers of the inner packet?

  A. ECMP
  B. TCP optimization
  C. disabled fragmentation
  D. jumbo frames
  A. ECMP

• Question 26:

  Which approach does Cisco ACI use to achieve multidestination packet forwarding between leaf switches in the same fabric?

  A. Map VXLAN VTEP to the multicast group
  B. Map VXLAN to PIM-SM protocol
  C. Map VXLAN VNI to the multicast group
  D. Map VXLAN to PIM-DM protocol
  C. Map VXLAN VNI to the multicast group

• Question 27:

  

  Refer to the exhibit. How are the STP BPDUs forwarded over Cisco ACI fabric?

  A. STP BPDUs that are generated by Switch2 are received by Switch1 and Switch3.
  B. Cisco ACI fabric drops all STP BPDUs that are generated by the external switches.
  C. Cisco ACI acts as the STP root for all three external switches.
  D. STP BPDUs that are generated by Switch1 are received only by Switch3.
  A. STP BPDUs that are generated by Switch2 are received by Switch1 and Switch3.

• Question 28:

  What are two characteristics of Cisco ACI and Spanning Tree Protocol interaction? (Choose two.)

  A. When a TCN BPDU is received in a VLAN, Cisco ACI flushes the endpoints for the associated encapsulation.
  B. STP BPDUs are dropped due to MCP.
  C. MST BPDUs are flooded correctly in Cisco ACI fabric without additional configuration.
  D. BPDU filter and BPDU guard can be configured on Cisco ACI leaf edge ports.
  E. Cisco ACI must be configured as the STP root for all VLANs.
  D. BPDU filter and BPDU guard can be configured on Cisco ACI leaf edge ports.
  E. Cisco ACI must be configured as the STP root for all VLANs.

• Question 29:

  What are two characteristics of network-centric design in Cisco ACI? (Choose two.)

  A. There is open communication between EPGs
  B. EPGs are used for microsegmentation
  C. EPGs are different security zones
  D. Applications define the network requirements
  E. A bridge domain has one subnet and one EPG
  B. EPGs are used for microsegmentation
  E. A bridge domain has one subnet and one EPG

• Question 30:

  

  Refer to the exhibit. Which two configurations enable inter-VRF communication? (Choose two.)

  A. Set the subnet scope to Shared Between VRFs
  B. Enable Advertise Externally under the subnet scope
  C. Change the contract scope to Tenant
  D. Change the subject scope to VRF
  E. Export the contract and import as a contract interface
  B. Enable Advertise Externally under the subnet scope
  E. Export the contract and import as a contract interface