300-620 · Question #45
The Cisco ACI solution allows users to use Layer 2 and Layer 3 to connect to outside networks. What are two valid use cases for this scenario? (Choose two.)
The correct answer is A. Connect to an existing switch network infrastructure and provide connection between workloads B. Connect to LAN routers in the data center so that a LAN router provides data-center interconnect. Cisco ACI allows for Layer 2 and Layer 3 connectivity to external networks, enabling integration with existing switch infrastructures and external LAN routers for data center interconnect.
Question
The Cisco ACI solution allows users to use Layer 2 and Layer 3 to connect to outside networks. What are two valid use cases for this scenario? (Choose two.)
Options
- AConnect to an existing switch network infrastructure and provide connection between workloads
- BConnect to LAN routers in the data center so that a LAN router provides data-center interconnect
- CExtend the Layer 2 domain from ACI to a DCI platform so that the Layer 2 domain of ACI can be
- DIn the existing data centers, connect a new switching network to an ACI leaf, and create a new
How the community answered
(35 responses)- A71% (25)
- C11% (4)
- D17% (6)
Why each option
Cisco ACI allows for Layer 2 and Layer 3 connectivity to external networks, enabling integration with existing switch infrastructures and external LAN routers for data center interconnect.
Connecting to an existing switch network infrastructure is a common use case for ACI's Layer 2 Outside (L2Out) feature, providing seamless connectivity between workloads in ACI and external Layer 2 domains.
Connecting to LAN routers in the data center is a primary use case for ACI's Layer 3 Outside (L3Out) feature, allowing the ACI fabric to route traffic to and from external Layer 3 networks, including providing data-center interconnect.
This option is incomplete, making it an unsuitable choice as a valid use case.
This option is incomplete, making it an unsuitable choice as a valid use case.
Concept tested: ACI external Layer 2 (L2Out) and Layer 3 (L3Out) connectivity use cases
Source: https://www.cisco.com/c/en/us/td/docs/dcn/aci/apic/5x/basic-configuration/cisco-aci-basic-configuration-guide-5x/m-l2out-overview.html
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