300-420 Question 145
Select 3An enterprise is designing an SD-Access fabric to provide both wired and wireless access across its campus network. The design must ensure proper segmentation of traffic for different departments, scalability to support future growth, and seamless integration of wireless access points into the fabric. Which key design considerations should the enterprise prioritize to meet these requirements?
- A
Implementing virtual networks (VNs) to segment traffic for different departments
- B
Configuring an over-the-top (OTT) deployment model to simplify wireless integration
- C
Designing the control plane using LISP to enable fabric scalability
- D
Using a single border node for all traffic to simplify routing
- E
Integrating fabric-enabled wireless to ensure seamless wireless access within the SD-Access fabric
Show answer and explanation
Correct answers: A, C, E
Explanation
To meet the requirements for segmentation, scalability, and seamless wireless integration, the enterprise must implement virtual networks for traffic segmentation, use LISP for the control plane to enable scalability, and integrate fabric-enabled wireless to ensure seamless operations. Over-the-top (OTT) deployment does not fully leverage the SD-Access fabric features, and using a single border node limits scalability and creates a potential single point of failure.
- A. Correct.
Virtual networks (VNs) are crucial for traffic segmentation in SD-Access. They allow logical separation of traffic for different departments or business functions, ensuring security and compliance.
- B. Incorrect.
An over-the-top (OTT) deployment model does not fully integrate wireless access points into the SD-Access fabric, which may hinder seamless operations and scalability.
- C. Correct.
The control plane in SD-Access uses LISP (Location Identifier Separation Protocol) to enable scalability and efficient mapping of endpoints, which is a key design consideration.
- D. Incorrect.
Using a single border node creates a single point of failure and lacks scalability. A distributed border node design is recommended for larger deployments.
- E. Correct.
Fabric-enabled wireless integrates access points into the SD-Access fabric, enabling seamless mobility, consistent policies, and simplified management for wireless clients.