SOA.Braindumps.S90-03A.v2014-03-01.by.Andres€¦ · 01/03/2014 · implementation and service...

SOA.Braindumps.S90-03A.v2014-03-01.by.Andres.100q

Number: S90-03APassing Score: 800Time Limit: 120 minFile Version: 14.5

http://www.gratisexam.com/

Exam Code: S90-03A

Exam Name: SOA Design & Architecture

Exam A

QUESTION 1Which of the following is not a meta abstraction type associated with the Service Abstraction principle?Select the correct answer.

A. functionalB. technologyC. programmaticD. state

Correct Answer: DSection: (none)Explanation

Explanation/Reference:

QUESTION 2Which of the following statements is false? Select the correct answer.

A. A sub-controller capability is responsible for composing nested composition logic.B. A sub-controller capability is responsible for composing other service capabilities.C. A sub-controller capability composes other service capabilities while it itself is also composed by other

service capabilities.D. A sub-controller can only compose other service capabilities but it cannot itself be composed.



QUESTION 3As the quantity of services in service inventories increase, the potential for service compositions to becomelarger and more complex increases also. Select the correct answer.

A. TrueB. False

Correct Answer: ASection: (none)Explanation


QUESTION 4Which of the following statements correctly explains the difference between the Service Abstraction andService Loose Coupling principles? Select the correct answer.

A. Service Abstraction is focused on dependencies that exist between the service contract and itsunderlying logic, whereas Service Loose Coupling is focused on fostering "loose state" in support ofruntime state deferral

B. Service Abstraction is focused on agnostic service logic only in order to establish an agnosticabstraction layer, whereas Service Loose Coupling is focused on the relationship between the servicecontract and service consumers.

C. Service Abstraction is focused on hiding information about service implementation details, whereasService Loose Coupling is focused on the positioning of the service contract in relation to the service

implementation and service consumers.D. There is no difference between these two principles. One principle name is used instead of the other

depending on whether you are building loose or tight service abstraction layers.

Correct Answer: CSection: (none)Explanation


QUESTION 5Which 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 (short- term)

requirements fulfillment.D. In order for an enterprise to be successful with SOA, an understanding of service-orientation is required.

Correct Answer: ABCSection: (none)Explanation


QUESTION 6The decoupling of a service contract from the service's underlying implementation results in a(n)__________________ in the service's level of abstraction because __________________ serviceimplementation details helps prevent service consumers from being designed to indirectly couple to theunderlying service implementation. Select the correct answer.

A. increase, hidingB. increase, publishingC. decrease, hidingD. decrease, publishing



QUESTION 7Fill in the blanks for the following definition of the Service Discoverability design principle: "Services aresupplemented with communicative metadata by which they can be effectively __________________ and__________________." Select the correct answer.


A. designed, discoveredB. discovered, interpretedC. discovered, refactoredD. discovered, deployed

Correct Answer: BSection: (none)Explanation


QUESTION 8Which of the following is a common reason as to why the Standardized Service Contract principle is notfollowed in some organizations? Select the correct answer.

A. Development tools are used to auto-generate the details of the technical service contract.B. Developers ignore service contract design standards.C. Developers are required to use pre-defined third-party service contracts obtained with the purchase of

legacy system adapters.D. All of the above.



QUESTION 9Which of the following statements describes service re-composability, as it relates to the ServiceComposability principle? Select the correct answer.

A. I have a service that is part of a service composition.B. I have a service composition with 5 services.C. I have a service that is part of 2 service compositions.D. I have 2 service compositions that are part of 2 service inventories.



QUESTION 10Which of the following statements are true? SELECT ALL THAT APPLY

A. The adoption of service-orientation can result in an increased overall time and cost for the initial deliveryof service logic.

B. The adoption of service-orientation can result in increased design complexity due to a constantemphasis on reuse.

C. The adoption of service-orientation can result in an emphasis on tactical (short-term) rather thanstrategic (long-term) planning in order to justify a quick ROI.

D. The adoption of service-orientation can result in a need to introduce a governance structure that mayintroduce new organizational roles and processes.

Correct Answer: ABDSection: (none)

Explanation


QUESTION 11Which of the following is not a state deferral option that is commonly used in support of applying the ServiceStatelessness principle? Select the correct answer.

A. databaseB. utility serviceC. messagesD. service registry



QUESTION 12The design principle most associated with an approach whereby the technical interface or contract of aservice is designed prior to its underlying logic is: Select the correct answer.

A. Service AutonomyB. Service ReusabilityC. Service ComposabilityD. Standardized Service Contract



QUESTION 13A company is about to release a service for worldwide usage. As a result, the service contract receives agreat deal of attention. After a review it is decided to limit the service contract content to only what isdeemed absolutely necessary and to further have the service's Service Level Agreement (SLA) translatedinto several different languages so that the service can be easily located by those who may want to use it.Which pair of service-orientation principles directly supports these design- time considerations? Select thecorrect answer.

A. Service Autonomy, Service ReusabilityB. Service Statelessness, Standardized Service ContractC. Service Discoverability, Service AbstractionD. Service Reusability, Service Statelessness



QUESTION 14Each time our corporate development team makes a change to the service logic it is required to publish anew 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 ofthe following service-orientation principles is most likely to help us solve this on-going problem? Select thecorrect answer.

A. Service ReusabilityB. Service StatelessnessC. Service Loose CouplingD. Service Autonomy



QUESTION 15When applying the Service Loose Coupling design principle, we want to __________________ the couplingof the service logic to the service contract because that allows the service contract to remain__________________ from the service logic. Select the correct answer.

A. increase, decoupledB. reduce, decoupledC. increase, coupledD. reduce, coupled



QUESTION 16Which of the following service-orientation principles support the application of the Service Composabilityprinciple? SELECT ALL THAT APPLY

A. Standardized Service ContractB. Service AutonomyC. Service IntegrationD. Service Statelessness

Correct Answer: ABDSection: (none)Explanation


QUESTION 17The composition member is the runtime role assumed by a service with a capability that is executing theparent composition logic required to compose capabilities within other services. Select the correct answer.

A. TrueB. False



QUESTION 18Which of the following characteristics is not a result of the consistent application of service- orientationprinciples? Select the correct answer.

A. reduced dependencies between servicesB. increased availability and scalability of servicesC. reduced behavioral predictability of servicesD. increased awareness of services



QUESTION 19A service contract publishes information that makes guarantees about how the service will behave atruntime and when it will be available. These types of guarantees are associated with which service metainformation type? Select the correct answer.

A. technologyB. programmaticC. functionalD. quality of service



QUESTION 20As a first step toward replacing a corporate customer database, a company attempts to limit access tocustomer services via an official Customer entity service. However, some time later it is discovered thatseveral applications have been bypassing the Customer service in order to directly access the customerdatabase. As a result, these applications exhibit which negative form of coupling? Select the correctanswer.

A. Contract-to-ImplementationB. Consumer-to-ImplementationC. Consumer-to-ContractD. Contract-to-Technology



QUESTION 21Which of the following is not a design characteristic that is realized by the application of the ServiceReusability principle? Select the correct answer.

A. The service is defined by an agnostic functional context.

B. The service logic is generic.C. The service is primarily associated with the task service model.D. The service design approach is influenced by commercial product design practices.



QUESTION 22The service-oriented architectural model is business-driven so that it can stay in alignment with how thebusiness may change over time. Select the correct answer.

A. TrueB. False



QUESTION 23I have a service composition with three services. Service A retrieves a list of country codes from a databaseand keeps this data in memory while interacting with Service B and Service C. However, because Service Ais concurrently invoked many times, and because each instance of Service A loads its own copy of thecountry code data into memory, the demands on the overall infrastructure become too high andperformance and reliability are negatively affected. Which service-orientation principle can be applied tohelp solve this problem? Select the correct answer.

A. Service ReusabilityB. Service AutonomyC. Service AbstractionD. Service Statelessness



QUESTION 24Which service-orientation principle would be used to justify a corporate policy that limits or restricts accessto technical specifications that show design and technology details about the underlying implementation of apublished service? Select the correct answer.

A. Service DiscoverabilityB. Service StatelessnessC. Service AutonomyD. Service Abstraction



QUESTION 25Which of the following are considered characteristics associated with service-oriented technologyarchitecture? Select the correct answer.

A. vendor-neutralB. business-drivenC. enterprise-centricD. All of the above



QUESTION 26Which of the following are runtime roles associated with service compositions? SELECT ALL THAT APPLY

A. composition controllerB. composition memberC. composition sequencerD. composition sub-controller

Correct Answer: ABDSection: (none)Explanation


QUESTION 27Which of the following statements is true? Select the correct answer.

A. The controller service in a service composition automatically loses autonomy because it is required tocompose other services that lie outside of its controlled boundary.

B. The controller service in a service composition automatically loses autonomy because it is designed asa task service to which service-orientation design principles are not applied.

C. The controller service in a service composition loses autonomy only when state deferral logic is not builtinto the service composition design.

D. None of these statements are true.



QUESTION 28Which of the following are goals of the Service Reusability design principle? Select the correct answer.

A. To support the creation of services based upon agnostic service logic.B. To allow for service logic to be repeatedly leveraged over time so as to achieve an increasingly high

return on the initial investment of delivering the service.C. To increase organizational agility by enabling wide-scale service composition from service inventories

that contains a high percentage of reusable services.D. All of the above.



QUESTION 29When applying the Service Autonomy principle, runtime autonomy and design-time autonomy are relatedthrough the following rule of thumb: "The __________________ the amount of design-time autonomy, the__________________ the amount of attainable runtime autonomy." Select the correct answer.

A. lesser, lesserB. greater, lesserC. greater, greaterD. lesser, greater



QUESTION 30Services with __________________ tend to be more __________________. Select the correct answer.

A. a stateful context, more statelessB. an agnostic context, reusableC. a non-agnostic context, reusableD. None of the above.



QUESTION 31The service-oriented architectural model is ideally designed to be neutral to vendor platforms so thatorganizations have the freedom to diversify by leveraging multiple vendor technology innovations over time,as required. Select the correct answer.

A. TrueB. False



QUESTION 32A service cannot enter the role of composition sub-controller when invoked by a composition initiator. Selectthe correct answer.

A. True

B. False



QUESTION 33The Service Discoverability principle is supported by the Standardized Service Contract principle in which ofthe following ways? Select the correct answer.

A. The Standardized Service Contract principle advocates using naming conventions for ensuring that thefunctionality of services is consistently expressed. By making the service easier to understand, itbecomes more discoverable.

B. The Standardized Service Contract principle supports a design process whereby the service contract iscustomized and created prior to the service logic. This allows service designers to shape the servicecontract content in such a manner that it can be effectively discovered.

C. The Standardized Service Contract principle requires the use of service contract design standards thatcan be created to establish conventions that are supportive of the Service Discoverability principle.

D. All of the above.



QUESTION 34Service-orientation establishes a distinct approach to carrying out a(n) __________________.Select the correct answer.

A. separation of concernsB. identification of constructsC. inheritance of contractsD. refactoring of code



QUESTION 35A(n) __________________ in the extent to which the Service Reusability principle is applied to a servicecan result in a(n) __________________ in the potential for the service to be repeatedly composed.SELECT ALL THAT APPLY

A. decrease, decreaseB. increase, decreaseC. decrease, increaseD. increase, increase

Correct Answer: ADSection: (none)Explanation


QUESTION 36Which of the following are not service-orientation design principles? Select the correct answer.

A. Service AbstractionB. Service ReliabilityC. Service AutonomyD. All of the above are service-orientation design principles.



QUESTION 37Fill 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 designstandards." Select the correct answer.

A. service activityB. service inventoryC. stateD. message path



QUESTION 38To be considered an enterprise resource a service must be non-agnostic in nature. Select the correctanswer.

A. TrueB. False



QUESTION 39Often it is a requirement to wrap a legacy system with a service. This is typically accomplished byencapsulating calls to the legacy system's Application Programming Interface (API) within the core logic ofthe service. Care must be taken to not expose details of the underlying API through the service contract asit may unintentionally couple the service consumer to the legacy system. Which pair of service-orientationprinciples directly addresses this concern? Select the correct answer.

A. Service Loose Coupling, Service AbstractionB. Service Statelessness, Service AutonomyC. Service Loose Coupling, Service StatelessnessD. Service Autonomy, Standardized Service Contract



QUESTION 40When a service is required to manage and hold onto an excessive quantity of state data, it can lead to adecrease in which of the following desirable service characteristics? SELECT ALL THAT APPLY

A. maintainabilityB. availabilityC. scalabilityD. discoverability

Correct Answer: BCSection: (none)Explanation


QUESTION 41The composition controller role is most associated with which of the following service models? Select thecorrect answer.

A. task serviceB. entity serviceC. utility serviceD. data service



QUESTION 42Which of the following is not a benefit associated with silo-based application design? Select the correctanswer.

A. The emphasis on fulfilling tactical (short-term) business requirements allows for a more predictableapplication delivery lifecycle.

B. The analysis and design of applications are easier because strategic (long-term) business requirementsdon't usually need to be taken into account.

C. The latest technology advancements can be leveraged by repeatedly building new applications from theground up.

D. Applications are always inherently built for repeated reuse across silos.



QUESTION 43

When measuring coupling that exists between a service and a service consumer, you can determine theextent of dependency that exists between the service and service consumer. Select the correct answer.

A. TrueB. False



QUESTION 44Which of the following are considered negative forms of coupling: SELECT ALL THAT APPLY?

A. Logic-to-ContractB. Contract-to-LogicC. Contract-to-TechnologyD. Contract-to-Implementation

Correct Answer: BCDSection: (none)Explanation


QUESTION 45I have a service that is required to access a shared database. When the load on the database is heavy (forexample when the billing department is running reports) my service often times-out and returns a fault tothe service consumer. Which service-orientation principle should I apply to address this problem? Selectthe correct answer.


A. Service Loose CouplingB. Service DiscoverabilityC. Service AutonomyD. Service Reusability



QUESTION 46When applying the Service Loose Coupling principle __________________ coupling types are avoided inorder to __________________ the governance independence of the service. Select the correct answer.

A. positive, minimizeB. negative, minimize

C. negative, maximizeD. positive, maximize



QUESTION 47The Service Discoverability principle is primarily concerned with increasing the __________________ of theinformation published about a service. Select the correct answer.

A. complexity ratioB. scalability ratioC. communications qualityD. linear quality



QUESTION 48Besides the Standardized Service Contract principle, which of the following service-orientation principlesare also primarily focused on the design of the service contract? SELECT ALL THAT APPLY?

A. Service AutonomyB. Service StatelessnessC. Service DiscoverabilityD. Service Abstraction

Correct Answer: CDSection: (none)Explanation


QUESTION 49The definition of the Service Composability design principle is as follows: "Services are effectivecomposition participants, regardless of the size and complexity of the composition." What is meant by"regardless of the size and complexity of the composition"? Select the correct answer.

A. It means that services need to be designed so that they can participate in different types ofcompositions, regardless of what type of composition they are initially delivered for.

B. It means that services need to be designed for a specific composition with a specific size and level ofcomplexity, regardless of what other compositions may need to use the service for in the future.

C. It means that the composition must be large and complex, regardless of the size and complexity of theservice itself. These two design aspects need to be kept separate so that service and composition canevolve independently.

D. The definition for the Service Composability principle does not include the statement "regardless of thesize and complexity of the composition".



QUESTION 50Which of the following statements is false? Select the correct answer.

A. Increasing the quantity of data model transformation logic within a service composition results in anincrease in the development effort required to build the service composition due to an increase in thenecessary data model mapping logic.

B. Increasing the quantity of data model transformation logic within a service composition results in adecrease in the development effort required to build the service composition due to the fact that theintrinsic data model mapping logic residing within services can be leveraged.

C. Increasing the quantity of data model transformation logic within a service composition results in adecrease in the performance of the service composition due to the need to execute the data modelmapping logic at runtime.

D. Increasing the quantity of data model transformation logic within a service composition results in anincrease in the architectural complexity of the service composition due to the incorporation of theadditional data model transformation layers.



QUESTION 51Which of the following does not represent a typical form of service contract standardization addressed bythe Standardized Service Contract principle? Select the correct answer.

A. the standardization of a service's functional expressionB. the standardization of industry technologies across different service inventoriesC. the standardization of data models used by service contractsD. All of the above represent typical forms of standardization addressed by the Standardized Service

Contract principle.



QUESTION 52The Service Loose Coupling principle is concerned with the relationship between the service contract andservice consumers but also with the relationship between the service contract and whatever the serviceencapsulates. Select the correct answer.

A. TrueB. False



QUESTION 53Which of the following is not a negative coupling type? Select the correct answer.

A. Contract-to-TechnologyB. Contract-to-LogicC. Contract-to-ImplementationD. Consumer-to-Contract



QUESTION 54Fundamental to service-orientation is the ability to continually recompose existing services into newcompositions with minimal impact. This is why service-oriented technology architectures are required to becomposition-centric. Select the correct answer.

A. TrueB. False



QUESTION 55The following statement describes the relationship between the Service Reusability principle and whichother design principle? "Because of the potentially high performance and concurrent usage demands ofreusable services, the extent of control they can exercise over their underlying environment is an importantdesign consideration in guaranteeing an acceptable level of predictable runtime behavior." Select thecorrect answer.

A. Standardized Service ContractB. Service AbstractionC. Service AutonomyD. Service Loose Coupling



QUESTION 56Service compositions can only be assembled from services that belong to the same service inventory.Select the correct answer.

A. TrueB. False



QUESTION 57My service was consuming too much memory so I chose to persist data between invocations to a database.After doing so, I found that the performance of my service declined significantly due to the fact that mydatabase is shared with other applications. As a result, I further isolated the service by giving it its owndedicated database. Which service-orientation principles were involved in this scenario? Select the correctanswer.

A. Service Loose CouplingB. Service ReusabilityC. Service AutonomyD. Service Statelessness

Correct Answer: CDSection: (none)Explanation



A. A service inherits its functional context from its capabilities.B. A service capability inherits its functional context from other capabilities within the same service.C. A service inherits its functional context from other services, especially in complex compositions.D. A service capability inherits its functional context from its service.



QUESTION 59A composition initiator is a variation of the composition controller role that represents nested compositionlogic. Select the correct answer.

A. TrueB. False



QUESTION 60The enforcement of service contract design standards is required to effectively apply the StandardizedService Contract principle. Select the correct answer.

A. TrueB. False



QUESTION 61When applying the Service Loose Coupling design principle, we want to __________________ the couplingbetween the service contract and service consumers and __________________ the coupling of the servicecontract to its underlying logic. Select the correct answer.

A. reduce, reduceB. reduce, increaseC. increase, reduceD. increase, increase




A. Service compositions can challenge the traditional notion of interoperability because they rely heavily onintegration and therefore make integration an intrinsic process of service delivery.

B. Service compositions can challenge the traditional notion of integration because services are ideallydesigned to be intrinsically interoperable and therefore require less integration effort when assembledinto service compositions.

C. Service compositions can challenge the traditional notion of interoperability because they consist ofdistributed programs (services) and integration is rarely carried out across applications that are remotelydistributed.

D. None of the above statements are true.



QUESTION 63Which are the three design principles that often act as regulators to ensure that the remaining fiveprinciples are properly applied: SELECT ALL THAT APPLY

A. Service Loose CouplingB. Service AbstractionC. Service ComposabilityD. Service Reusability

Correct Answer: ABCSection: (none)Explanation


QUESTION 64The Service Statelessness principle is focused on the design of the service contract because that's wherestate data is defined and deferred. Select the correct answer.

A. TrueB. False



QUESTION 65Project Team A delivered 3 services and a month later Project Team B delivered 5 services. After an auditof the services delivered by these two project teams, it was determined that 3 of the services delivered byProject Team B contained redundant logic that already resides in 2 of the services originally delivered byProject TeamA . The audit results are negative because it is considered undesirable to have redundantlogic among services. Which service-orientation principle could have been applied to help avoid this result?Select the correct answer.

A. Service StatelessnessB. Service ReusabilityC. Standardized Service ContractD. Service Abstraction



QUESTION 66I was discussing my new service with a client who told me that my technical service contract revealed toomuch information about the underlying service design. For example, based only on the names of myservice capabilities, my client could determine that the service was using an Oracle database. Whatservice-orientation principle should I apply to address this problem? Select the correct answer.

A. Service ReusabilityB. Service DiscoverabilityC. Service AutonomyD. Service Abstraction



QUESTION 67The Service Composability principle is solely dedicated to making services effective compositioncontrollers. Select the correct answer.

A. TrueB. False



QUESTION 68The __________________ principle is primarily concerned with ensuring that services exercise a high levelof control over their underlying runtime execution environment. Select the correct answer.

A. Service PerformanceB. Service AutonomyC. Service AgilityD. Service Abstraction



QUESTION 69I built Service Composition A, which is comprised of 4 services. It was very successful in that it fulfilled all ofits expected business requirements. I was then assigned a new project that required me to deliver a newservice composition called Service Composition B. After studying the new business requirements, I realizedthat one of the services in Service Composition A could be reused "as is" in Service Composition B.However, when I tried to make it part of Service Composition B, I ran into a number of problems. In the end,it turned out that even though the service was reusable, it was simply not designed to participate in morethan one service composition. Which service- orientation principle would have addressed this issue if Iwould have applied it to the service prior to completing Service Composition A? Select the correct answer.

A. Service ComposabilityB. Service DiscoverabilityC. Service ReusabilityD. There is no service-orientation principle that addresses this issue.



QUESTION 70Which service-orientation principle influences the content published about services and further helps avoidthe misinterpretation of service contracts? Select the correct answer.

A. Service StatelessnessB. Service DiscoverabilityC. Service AutonomyD. None of the above.



QUESTION 71The scope of a typical SOA initiative is application-specific, thereby fostering reuse primarily withinapplication boundaries. Select the correct answer.

A. TrueB. False



QUESTION 72Fill the blank for the following definition of the Service Statelessness design principle: "Services minimizeresource consumption by __________________ the management of state information when necessary."Select the correct answer.

A. increasingB. encapsulatingC. deferringD. assuming



QUESTION 73Common problems associated with silo-based application design include: SELECT ALL THAT APPLY

A. It can result in a significant amount of waste due to the fact that silo-based applications can havesignificant redundant functionality.

B. It can result in bloated, oversized technical environments.C. The integration effort required to make disparate silo-based applications interoperate can be complex

and expensive.D. IT operational costs can continue to escalate as more silo-based applications are added to an IT

enterprise.

Correct Answer: ABCDSection: (none)Explanation


QUESTION 74Which of the following statements does not make sense? Select the correct answer.

A. By applying the Standardized Service Contract principle, the amount of data model transformation logicrequired by my solution has been reduced.

B. Since the design standards created in support of the Standardized Service Contract principle have beenmore widely enforced, I've noticed the same data models being shared by more services.

C. It is thanks to the Standardized Service Contract principle that we have been able to better isolate ourservices so as to reduce their dependency on shared databases.

D. All of these statements make sense.



QUESTION 75The "contract first" approach to building services helps realize contract-to-logic coupling. Select the correctanswer.

A. TrueB. False



QUESTION 76A service's functional context determines its: Select the correct answer.

A. purpose and functionB. implementation environment and deployment locationC. scalability and usage thresholdsD. longevity and versioning parameters



QUESTION 77The Service Abstraction principle emphasizes the need to reveal as much of the underlying details of aservice as possible in order to support the Service Discoverability principle in its goal of maximizing thequantity of published information about a service. Select the correct answer.

A. TrueB. False



QUESTION 78Fill in the blank for the following definition of the Service Reusability design principle: "Services contain andexpress __________________ logic and can be positioned as reusable enterprise resources." Select thecorrect answer.

A. non-agnosticB. agnosticC. distinctD. new



QUESTION 79Fill in the blank for the following definition of the Service Abstraction design principle:"__________________ only contain essential information and information about services is limited to whatis published in service contracts." Select the correct answer.

A. Service messagesB. Service contractsC. Service typesD. Service activities



QUESTION 80By providing __________________ awareness of reusable services available for composition, the__________________ principle can greatly benefit the design of service-oriented solutions. Select thecorrect answer.

A. increased, Service StatelessnessB. decreased, Service AutonomyC. decreased, Service DiscoverabilityD. None of the above.



QUESTION 81A(n) __________________ in the extent to which a service needs to share resources with other parts of theIT enterprise will result in a(n) __________________ of the service's overall __________________. Selectthe correct answer.

A. decrease, decrease, standardizationB. increase, decrease, standardizationC. decrease, increase, autonomyD. increase, increase, autonomy



QUESTION 82Fill in the blank for the following definition for the Service Loose Coupling design principle: "Servicecontracts impose low __________________ requirements and are themselves decoupled from theirsurrounding environment." Select the correct answer.

A. consumer couplingB. granularityC. legacy encapsulationD. state deferral



QUESTION 83When referring to the Service Discoverability principle, the quality of interpretability refers to a service'sability to be effectively discovered at runtime by service consumer programs designed to carry out dynamicruntime discovery. Select the correct answer.

A. TrueB. False



QUESTION 84The __________________ principle can be applied together with the __________________ principle andthe __________________ principle to establish a service contract that conforms to design standards, doesnot impose negative dependencies upon service consumers, and does not reveal unnecessary informationabout its underlying implementation. Select the correct answer.

A. Standardized Service Contract, Service Statelessness, Service ReusabilityB. Standardized Service Contract, Service Abstraction, Service AutonomyC. Standardized Service Contract, Service Loose Coupling, Service ReusabilityD. None of the above.



QUESTION 85A composition member is a service that participates in a service composition by being composed byanother service. Select the correct answer.

A. TrueB. False



QUESTION 86

Which of the following is a common challenge imposed by the adoption of service-orientation? Select thecorrect answer.

A. Service-orientation introduces the need for design standards, which need to be followed and enforced.B. Service-orientation requires that you commit to one vendor platform, which can limit your product

options.C. Service-orientation requires that services be protected from repeated reuse, which can reduce potential

ROI.D. Service-orientation introduces the need to make all implementation details about each service publicly

available, which can lead to the misuse of this information by some project teams.



QUESTION 87Which of the following statements is true? SELECT ALL THAT APPLY

A. The Service Composability principle is closely associated with the Service Reusability principle becauseservice composition can be seen as a form of reuse.

B. The Service Composability principle is highly revolutionary because the concept of aggregating softwareprograms is new to distributed computing.

C. The Service Composability principle emphasizes that services need to be designed to participate aseffective members of multiple service compositions.

D. The Service Composability principle prepares services for immediate and eventual participation incompositions.

Correct Answer: ACDSection: (none)Explanation


QUESTION 88The Service Reusability principle can __________________ demands on infrastructure because servicesthat are reused will typically have __________________ security, performance, and reliability requirements.Select the correct answer.

A. increase, reducedB. decease, reducedC. eliminate, noD. None of the above.



QUESTION 89A service-oriented solution can be comprised of which of the following core architectural elements? Selectthe correct answer.

A. messagesB. services

C. contractsD. All of the above.



QUESTION 90The service-orientation principle primarily concerned with ensuring the runtime behavioral predictability of aservice is: Select the correct answer.

A. Service PredictionB. Service Loose CouplingC. Service AbstractionD. None of the above.



QUESTION 91The __________________ principle encourages services within the boundary of a specific serviceinventory to share messages based on the same data models. This practice directly supports the__________________ principle, which is concerned with designing services so that they can be effectivelyand repeatedly aggregated into different solutions. Select the correct answer.

A. Service Abstraction, Service AutonomyB. Service Autonomy, Service ComposabilityC. Standardized Service Contract, Service ComposabilityD. None of the above.



QUESTION 92Which of the following characteristics directly supports or enables behavioral predictability within services?Select the correct answer.

A. availability (service downtime and periods of unavailability are minimized)B. maintainability (the service is easily evolved over time without disrupting existing relationships with

service consumers)C. reliability (the service provides consistent results and performance)D. All of the above.



QUESTION 93A service is sometimes referred to as an enterprise resource because: Select the correct answer.

A. It establishes itself as a resource that is of use to more than one part of the enterprise.B. It can only be defined by enterprise architects.C. It always depends on the availability of enterprise legacy systems.D. None of the above.



QUESTION 94The Service Loose Coupling principle advocates which of the following coupling types? Select the correctanswer.

A. Contract-to-ImplementationB. Consumer-to-ContractC. Logic-to-ContractD. None of the above.



QUESTION 95Which of the following statements correctly explains the difference between the Service Reusability andService Composability principles? Select the correct answer.

A. Service Reusability is focused on creating generic, reusable service logic, whereas ServiceComposability is focused on creating services that are effective participants of multiple servicecompositions.

B. Service Reusability is focused on creating non-agnostic service logic, whereas Service Composability isfocused on creating agnostic service logic.

C. Service Reusability is focused on creating highly scalable services, whereas Service Composability isfocused on creating highly isolated services.

D. There is no difference between these two principles. One principle name is used instead of the otherdepending on whether you are building a task or entity service.




A. A composition initiator must exist as a service.B. A composition initiator can be any type of program capable of invoking a service and therefore does not

need to be service-oriented.C. A composition initiator is often associated with the intermediary role.

D. None of the above statements are true.



QUESTION 97The Service Statelessness principle aims to establish a mechanism for the runtime deferral of state data inorder to minimize a __________________ condition when the service is __________________. Select thecorrect answer.

A. stateful, passiveB. stateless, passiveC. stateful, activeD. stateless, active



QUESTION 98Which of the following statements are true? SELECT ALL THAT APPLY

A. The application of service-orientation leads to reduced awareness of underlying service implementationdetails because the Service Abstraction principle advocates limiting what is published about services.

B. The application of service-orientation leads to increased consistency in how functionality is expressed inthe service contract because the Service Reusability principle advocates deferring service contractinformation at runtime.

C. The application of service-orientation leads to increased behavioral predictability and increasedavailability and scalability as a result of applying the Service Autonomy and Service Statelessnessdesign principles.

D. The application of service-orientation leads to increased awareness of available services because theService Discoverability design principle advocates improving the communications quality of publishedservice information.

Correct Answer: ACDSection: (none)Explanation


QUESTION 99Which of the following is not an influence of service-orientation? Select the correct answer.

A. Object-Oriented Analysis and Design (OOAD)B. Business Process Management (BPM)C. Enterprise Application Integration (EAI)D. Fluid Dynamics (FD)




A. A composition member is a service that is not composed by other services.B. A composition member is a service that is composed by another service.C. A composition member is the same as a sub-controller.D. None of the above statements are true.




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