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Question 344

Scenario -

Please read this scenario prior to answering the Question

You are working as a consultant to the Chief Architect at an intelligence and security organization responsible for securing government communications and information systems. These provide real-time, highly secure communication of voice, video, and message data to remote locations around the world. The agency has recently received information from intelligence sources that the current encryption protocols may no longer be secure. In response, a program is underway to upgrade the systems.

The agency has an established Enterprise Architecture (EA) capability based on the TOGAF standard. The Executive Director of the agency is the sponsor of the

EA capability.

Since reliable, high-performance, and secure communications are essential to preserving national security, the Executive Director has placed more stringent requirements for the architecture of the upgraded systems. It must be able to provide assurance and verification of specific performance measures on the key services that are most crucial for system operation. Focusing on these service-level details and specific measurements, will allow stricter requirements to be enforced in service contracts. It will also provide a high degree of assurance that necessary performance is being delivered and that notifications will occur if any critical service fails to perform as required.

A portion of the program budget has been allocated to context a review of the EA. The scope of the review is to evaluate the processes, content and governance of the EA capability to ensure that the higher target performance and service levels required by the upgraded system can be achieved.

The Chief Architect has noted that the core EA artifacts that have been in use are not able to describe these new capabilities. The artifacts do not have explicit provisions for defining the in-depth measurement requirements regarding specific services required for the system. She has learned that certain services within the current system have service measurement implementations that match some of the new requirements, but they are only used in a few areas.

Recent EA efforts at another national agency have produced generalized high-performance communication system models to realize similar requirements in a critical defense system involving secure communications. It is possible that these models may be useful for the upgrade program.

Refer to the Scenario -

[Note: You may need to refer to the Content Metamodel chapter, section 30.4 (located in Part IV) of the reference text in order to answer this question.]

You have been asked to make recommendations for tailoring the Architecture Content Metamodel to accommodate the requirements of the upgraded system.

Based on the TOGAF standard, which of the following is the best answer?

    Correct Answer: C

    To meet the stringent performance and service level requirements necessary for the upgraded system, it is crucial to incorporate extensions that allow modeling goals, objectives, and drivers for the architecture. The motivation and governance extensions are essential for linking these performance measures to service levels and developing detailed governance models. This will enhance the existing service profiles and enable customization for various service contracts, ensuring that the necessary performance metrics are effectively defined and enforced.

Discussion
noureldinOption: C

One Guy mentioned that: Answer is C I got this question and got 100% Because : Governance extension: 1 The ability to apply measures to objectives and then link those measures to services 2 The ability to apply contracts to service communication or service interactions with external users and systems 3 The ability to define re-usable service qualities defining a service-level profile that can be used in contracts 4 Creation of additional diagrams to show ownership and management of systems scenario requires "high-performance-criteria, in depth measures" (1) "high-performance/secure communications contract" (2) "certain services within the current system have service measurement implemenations that match some of the new requirements, but they are only used in a few areas." (3)

youthanasiaOption: C

I agree, Answer C is more fitting. We have the ability to re-use service profiles in governance and business services in a more structured fashion, allowing compromise service levels to be defined with Motivation.

RVROption: C

Believe C. is a more balanced answer considering budget, requirement around service measurement implementations already in place, other models available, and in-depth measurement requirements to be included.

PratsMicOption: C

Its got to be governance - > C https://sparxsystems.com/enterprise_architect_user_guide/14.0/model_domains/acm_governance_extension.html SERVICES is more to align / have a common understanding to aligning to business services https://sparxsystems.com/enterprise_architect_user_guide/14.0/model_domains/services_extension.html

CakeBakeOption: D

Why not D?

BanzaaaiOption: C

motivation and governance extension are incorporated into the Architecture Content Metamodel.

nemOption: C

I agree C is the best answer since the focus is on the service-levels measurements and the definition of service contracts

harofe2121Option: C

As we have a confirmation in the scenario"She has learned that certain services within the current system have service measurement implementations that match some of the new requirements, but they are only used in a few areas." That what is required is already available but utilized in few areas and hence I think there is no need for using the service extension and hence answer B can be excluded. Out of the rest 3 I think C makes the best sense as to what is expected from the scope of the review "is to evaluate the processes, content and governance"