300-420 Question #287: Real Exam Question with Answer & Explanation

The correct answer is B: policy-based automated provisioning of network. The new operational paradigm for networking, often associated with Intent-Based Networking, fundamentally relies on policy-based automated provisioning, comprehensive assurance, and a fabric-based infrastructure.

Automation

Question

What are the three foundational elements required for the new operational paradigm? (Choose three.)

Options

Aapplication QoS
Bpolicy-based automated provisioning of network
Cmultiple technologies at multiple OSI layers
Dassurance
Ecentralization
Ffabric

Explanation

The new operational paradigm for networking, often associated with Intent-Based Networking, fundamentally relies on policy-based automated provisioning, comprehensive assurance, and a fabric-based infrastructure.

Common mistakes.

A. While application QoS is an important network capability, it is a feature or service within the network rather than a foundational element for the entire operational paradigm itself.
C. The presence of 'multiple technologies at multiple OSI layers' describes any complex network and is not a unique foundational element of a new operational paradigm, which aims to abstract this complexity.
E. Centralization, while a common architectural pattern for management (e.g., DNA Center), is more of a means to achieve automation and assurance across a fabric rather than a foundational element of the operational paradigm itself.

Concept tested. Foundations of modern network operational paradigms

Reference. https://www.cisco.com/c/en/us/solutions/enterprise-networks/what-is-intent-based-networking.html

Topics

#Network Automation#SDN Architecture#Network Fabric#Network Assurance

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