S90-03A Questions And Answers

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Exam Name: SOA Design & Architecture

Updated: 2020-09-28

Q & A: 100

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Question No : 1

Services with __________________ tend to be more __________________. Select the correct answer.
A. a stateful context, more stateless
B. an agnostic context, reusable
C. a non-agnostic context, reusable
D. None of the above.
Answer: B

Question No : 2

Which of the following is not a state deferral option that is commonly used in support of applying the Service Statelessness principle? Select the correct answer.
A. database
B. utility service
C. messages
D. service registry
Answer: D

Question No : 3

Fill in the blank for the following definition for the Standardized Service Contract design principle: "Services within the same __________________ are in compliance with the same contract design standards." Select the correct answer.
A. service activity
B. service inventory
C. state
D. message path
Answer: B

Question No : 4

Fill in the blank for the following definition of the Service Reusability design principle: "Services contain and express __________________ logic and can be positioned as reusable enterprise
resources." Select the correct answer.
A. non-agnostic
B. agnostic
C. distinct
D. new
Answer: B

Question No : 5

Which of the following statements reveal common misunderstandings about service-orientation and SOA? SELECT ALL THAT APPLY
A. In order for an enterprise to be successful with SOA, enterprise-wide standardization is
required.
B. Service-orientation is a revolutionary paradigm that is incompatible with existing paradigms and practices.
C. Adoption of service-orientation will return an immediate ROI due to its focus on tactical (shortterm) requirements fulfillment.
D. In order for an enterprise to be successful with SOA, an understanding of service-orientation is required.
Answer: A,B,C

Question No : 6

A service contract publishes information that makes guarantees about how the service will behave at runtime and when it will be available. These types of guarantees are associated with which service meta information type? Select the correct answer.
A. technology
B. programmatic
C. functional
D. quality of service
Answer: D

Question No : 7

Each time our corporate development team makes a change to the service logic it is required to publish a new version of the service contract. Our customers are complaining because their service consumer programs become incompatible with new service contract versions and therefore no longer work. Which of the following service-orientation principles is most likely to help us solve this on-going problem? Select the correct answer.
A. Service Reusability
B. Service Statelessness
C. Service Loose Coupling
D. Service Autonomy
Answer: C

Question No : 8

As a first step toward replacing a corporate customer database, a company attempts to limit access to customer services via an official Customer entity service. However, some time later it is discovered that several applications have been bypassing the Customer service in order to directly access the customer database. As a result, these applications exhibit which negative form of coupling? Select the correct answer.
A. Contract-to-Implementation
B. Consumer-to-Implementation
C. Consumer-to-Contract
D. Contract-to-Technology
Answer: B

Question No : 9

A service cannot enter the role of composition sub-controller when invoked by a composition initiator. Select the correct answer.
A. True
B. False
Answer: A

Question No : 10

The Service Statelessness principle aims to establish a mechanism for the runtime deferral of state data in order to minimize a __________________ condition when the service is
__________________. Select the correct answer.
A. stateful, passive
B. stateless, passive
C. stateful, active
D. stateless, active
Answer: C

Question No : 11

The service-orientation principle primarily concerned with ensuring the runtime behavioral predictability of a service is: Select the correct answer.
A. Service Prediction
B. Service Loose Coupling
C. Service Abstraction
D. None of the above.
Answer: D

Question No : 12

The Service Loose Coupling principle is concerned with the relationship between the service contract and service consumers but also with the relationship between the service contract and whatever the service encapsulates. Select the correct answer.
A. True
B. False
Answer: A

Question No : 13

Which of the following is not a benefit associated with silo-based application design? Select the correct answer.
A. The emphasis on fulfilling tactical (short-term) business requirements allows for a more
predictable application delivery lifecycle.
B. The analysis and design of applications are easier because strategic (long-term) business requirements don't usually need to be taken into account.
C. The latest technology advancements can be leveraged by repeatedly building new applications from the ground up.
D. Applications are always inherently built for repeated reuse across silos.
Answer: D

Question No : 14

Which of the following statements correctly explains the difference between the Service Reusability and Service Composability principles? Select the correct answer.
A. Service Reusability is focused on creating generic, reusable service logic, whereas Service Composability is focused on creating services that are effective participants of multiple service compositions.
B. Service Reusability is focused on creating non-agnostic service logic, whereas Service
Composability is focused on creating agnostic service logic.
C. Service Reusability is focused on creating highly scalable services, whereas Service
Composability is focused on creating highly isolated services.
D. There is no difference between these two principles. One principle name is used instead of the other depending on whether you are building a task or entity service.
Answer: A

Question No : 15

A composition initiator is a variation of the composition controller role that represents nested composition logic. Select the correct answer.
A. True
B. False
Answer: B
Rigoberto Guenther

20 Feb, 2020

I got 84% scores, thanks for your great S90-03A exam questions.

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