300-420 exam dumps

300-420 practice question 73 of 323

Designing Cisco Enterprise Networks. Professional level, Cisco. Free question with the correct answer and a full explanation.

300-420 Question 73

Select 3

A network architect is designing an enterprise network to support flexible resource allocation and simplified management for a multi-vendor environment. The architect decides to implement platform abstraction techniques. Which of the following are key benefits of platform abstraction that would support this design approach?

  1. A

    Decoupling software functionality from underlying hardware components

  2. B

    Providing direct access to hardware-specific features without abstraction layers

  3. C

    Enabling consistent APIs for cross-platform programmability

  4. D

    Simplifying network management by consolidating diverse vendor platforms under a unified interface

  5. E

    Increasing dependency on vendor-specific hardware for advanced features

Show answer and explanation

Correct answers: A, C, D

Explanation

Platform abstraction techniques decouple software functionality from hardware, enabling consistent APIs, reducing vendor lock-in, and simplifying management in multi-vendor environments. These benefits make abstraction techniques vital for modern enterprise network designs focused on scalability and flexibility.

  • A. Correct.

    Decoupling software functionality from underlying hardware components is a core aspect of platform abstraction. It enables scalability, flexibility, and independence from specific hardware implementations.

  • B. Incorrect.

    Providing direct access to hardware-specific features without abstraction layers contradicts the concept of platform abstraction, which aims to hide hardware-specific details to ensure consistency and portability.

  • C. Correct.

    Enabling consistent APIs for cross-platform programmability is a major benefit of platform abstraction, allowing developers to interact with the network through standardized interfaces regardless of the underlying hardware.

  • D. Correct.

    Simplifying network management by consolidating diverse vendor platforms under a unified interface is a key advantage of platform abstraction, reducing operational complexity in multi-vendor environments.

  • E. Incorrect.

    Increasing dependency on vendor-specific hardware for advanced features is the opposite of what platform abstraction seeks to achieve, as it aims to reduce such dependencies and promote flexibility.

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