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Total 76 questions
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
Answer : A
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.
B.
C.
D.
Answer : A
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
Answer : B
Reference:
https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-
739609.html#CiscoACIMultiSiteoverlaydataplane
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
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)
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.
Answer : B
An engineer must implement a full mesh Cisco ACI Multi-Site architecture. Which action must be taken on each spine to accomplish this goal?
- A. Configure BGP-EVPN Router-ID
- B. Configure Multi-Pod Data-Plane TEP
- C. Configure Overlay Unicast TEP
- D. Configure Overlay Multicast TEP
Answer : A
Reference:
https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-739609.html
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.
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
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
Answer : A
Reference:
https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-737909.html
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.
Answer : A
Reference:
https://www.linkedin.com/pulse/cisco-aci-network-behaviour-stptcn-how-identify-loop-ankit-kulshresta
What are two characteristics of Cisco ACI interaction with MSTP? (Choose two.)
- A. A Cisco ACI leaf flushes all local endpoints in the received EPG when an MSTP TCN frame is received.
- B. A static path binding is required for native VLAN to carry the MST BPDUs in existing EPGs.
- C. Mis-cabling protocol is used to snoop the MSTP TCN packets.
- D. A dedicated EPG must be created for the native VLAN ID with static bindings toward the MSTP-enabled switches.
- E. The PVST simulation must be configured on external network switches to support MSTP.
Answer : CD
Cisco ACI fabric is migrated from network-centric mode to application-centric mode. What is possible in an application-centric design?
- A. remapping of VLAN pools
- B. migration of bare metal servers to virtual machines
- C. creation of additional EPGs under one bridge domain
- D. Cisco ACI VMM integration with hypervisors
Answer : C
What is a design implication for Cisco ACI using an application-centric approach?
- A. Multiple VLANs and/or multiple EPGs are under one bridge domain
- B. VLAN numbers are in the names of the bridge domain and EPG objects
- C. One EPG is mapped to multiple bridge domains
- D. One VLAN equals one EPG equals one bridge domain
Answer : C
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
Answer : BE
DRAG DROP -
An engineer must migrate servers from a legacy data center infrastructure to a Cisco ACI fabric. Drag and drop the steps from the left into the order that they must be completed on the right to ensure the least amount of downtime.
Select and Place:
Answer :
How does Cisco ACI manage the STP BPDUs between two pods?
- A. Cisco ACI spines perform ingress replication for STP BPDUs
- B. Cisco ACI spines suppress STP BPDUs to be forwarded to other pods
- C. BPDUs are forwarded over IPN using the bridge domain GIPo multicast address
- D. Special multicast group 239.255.255.255 is used to forward STP BPDUs
Answer : C
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