Cisco Cisco Certified Specialist 300-630 Questions & Answers

• Question 21:

  

  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.

  Correct Answer: A

  Reference: https://www.linkedin.com/pulse/cisco-aci-network-behaviour-stptcn-how-identify-loop-ankit-kulshresta

• Question 22:

  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

  Correct Answer: A

  Reference: https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-737909.html

• Question 23:

  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.

  Correct Answer: DE

  Reference: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/aci_virtual_edge/configuration/1-x/b_Virtual_Edge_Config_Guide_1_2_2/b_Virtual_Edge_Config_Guide_1_2_2_chapter_0101.html

• Question 24:

  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.

  Correct Answer: B

• Question 25:

  

  Refer to the exhibit. Which feature is available across sites if EPGs are stretched?

  A. active-active high-availability firewall clustering

  B. Layer 3 routing between sites

  C. Layer 2 flooding across sites

  D. live virtual machine migration

  Correct Answer: B

  Reference: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/aci_multi-site/sw/1x/fundamentals/b_Cisco_ACI_Multi-Site_Fundamentals/b_ACI_Multi-Zone_Fundamentals_chapter_01.pdf (6)

• Question 26:

  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 27:

  

  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. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: A

• Question 28:

  

  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 29:

  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 30:

  

  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