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Q11. Which of the following statements describes the relationship between Cloud computing and Grid computing? 

A. Grid computing is the same as Cloud computing 

B. Grid architectures are likely to be used in building Clouds 

C. Grid computing is an evolution of the Cloud computing architecture 

D. Grid computing and Cloud computing are totally unrelated concepts 

Answer:

Explanation: The term utility computing is often used to describe the metered (or pay-per-use) IT services enabled by grid computing. Cloudcomputing (where dynamically scalable and often virtualized resources are provided as a service over the internet) is another term that describes how enterprises are using computing resources—on both private and public networks—over the internet. Because grid computing provides superior flexibility, it is the natural architectural foundation for both utility and cloud computing. 

Reference: Oracle White Paper, Oracle Grid Computing 


Q12. Which of the following options best describes the concept of data-driven testing? 

A. Data-driven testing is a strategy used to perform load testing. 

B. Data-driven testing is used to perform functional tests by iterating through data sets in a databank. 

C. Data-driven testing uses a single predefined data set to perform repeated testing. 

D. Data-driven testing uses database triggers to initiate and run test cases. 

Answer:

Explanation: One of the best ways to perform functional testing is through data-driven testing, in which a databank is created to cover the various functional use cases and is used to drive the testing. This requires the ability to iterate through a list of data sets in the databank, substitute them for the input values, and run the tests. 

Reference: Oracle Reference Architecture, Software Engineering, Release 3.0, Data driven testing 


Q13. What is the main benefit of Utility Computing? 

A. high availability 

B. better economics 

C. scalability 

D. better security 

Answer:

Explanation: The focus of utility computing is the business model on which providing the computing services are based. The main benefit of utility computing is better economics. Corporate data centers are typically underutilized. Utility computing allows companies to only pay for the computing resources they need, when they need them. Utility computing is very similar to public cloud computing, except perhaps it doesn't necessarily imply self-service, elastic capacity, or multi-tenancy. It does imply Note: Utility computing is an on-demand approach that combines outsourced computing resources and infrastructure management with a usage-based payment structure. It covers the packaging of computing resources, such as computation and storage, as a metered service similar to a physical public utility. Utility computing has the advantage of a low or no initial cost to acquire hardware as computational resources are essentially rented. 

Reference: Oracle Reference Architecture, Application Infrastructure Foundation, Release 3.0 


Q14. When two or more technology perspectives are combined, which statement best describes how the Oracle Reference Architecture (ORA) applies to the combination? 

A. One of the layersin ORAis the Business Services layer that contains the SOA Services. It is these SOA Services that provide the connection between different technology perspectives; therefore the Business Services layer is the interlock between two or more technology perspectives. 

B. Each technology perspective adds to the core ORA capabilities. The core ORA capabilities support each of the technology perspectives by providing a common foundation. 

C. The vertical layersin ORA (Enterprise Development, Enterprise Security. Enterprise Management) provide the capabilities needed to combine two or more technology perspectives. 

D. Each technology perspective is a separate reference architecture that leverages ORA as the common foundation for each of the individual reference architectures. 

E. The vertical layers of ORA are identical for each technology perspective. Each technology perspective adds capabilities to the horizontal layers of ORA, especially the business Processes, Business Services, and Information Assets layers. 

Answer:

Explanation: The reference architecture is designed to support an expanding list of technology strategies. It is also important that the various technology perspectives can be easily combined since they are very much complementary. Documenting how each technology perspective relates and combines with all the other technology perspectives would be onerous and unwieldy. This is the reason that ORA embraces service orientation at the core so that services provide a consistent mechanism to expose and combine various technologies and the capabilities. 

Reference: Oracle Reference Architecture, Service-Oriented Integration, Release 3.0 


Q15. Which of the following statements are true about the XACML standard and architecture? 

A. The Policy Enforcement Point (PEP) is where permit / deny access decisions are made. 

B. The Policy Information Point (PIP) provides information such as user attributes or environmental data that may be used to make access control decisions. 

C. XACML defines an XML schema used to represent rules for access control. 

D. XACML defines a TCP protocol used to communicate messages between Policy Enforcement Points. 

E. SAML assertions can be used to carry XACML authorization decisions. 

Answer: A,B,C,E 

Explanation: A: PEP - Policy Enforcement Point, where permit/deny access decisions are enforced. 

B: PIP - Policy Information Point, where information can be retrieved to evaluate policy conditions. For example, a user's role or time of day may be needed by the PDP to make a policy decision. 

C: eXtensible Access Control Markup Language (XACML) provides a standard way to represent access control policy information using XML. XAMCL defines access control policies in terms of rules, which in turn are defined to include a target, an effect, and a set of conditions. XACML defines an XML schema used to represent rule 

E: The SAML 2.0 profile of XACML 2.0 defines SAML assertions used to carry policies, policy queries and responses, authorization decisions, authorization query decisions and responses, and attribute assertions. In this way SAML authentication, attribute, and authorization assertions are incorporated into the security framework to complement XACML. 

Reference: Oracle Reference Architecture,Security, Release 3.1 


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Q16. The Oracle Reference Architecture (ORA) includes the central layers as well as Technology Perspectives and Industry perspectives. Which statements best describe how these are related within ORA? 

A. The Technology Perspectives are reference architectures incorporating specific technologies, products, and standards. 

B. The Technology Perspectives provide a view of ORA focused on specific technologies, product and standards. 

C. The Industry Perspectives are reference architectures for specificindustries, for example, Telco, Pharma. 

D. The Industry Perspectives extend the central layers of ORA toincludeindustry-specific capabilities, components, and so on. 

E. ORA is a collection of reference architectures, some based on technology (Technology Perspectives), and some based on industry verticals (Industry Perspectives). 

Answer: B,D 

Explanation: The core ORA material is extended via architecture perspectives. There are two types of perspectives: Technology and Industry(not E). 

B:Technology perspectives extend the core material by adding the unique capabilities, components, standards, and approaches that a specific technology strategy offers. SOA, BPM, EPM/BI, and EDA are examples of perspectives for ORA. Each technology strategy presents unique requirements to architecture that includes specific capabilities, principles, components, technologies, standards, etc. Rather than create another reference architecture for each strategy, ORA was designed to be extensible to incorporate new computing strategies as they emerge in the industry In order to present the reference architecture in the most effective manner, each new technology strategy adds a perspective to ORA. This enables the reference architecture to evolve holistically. New computing strategies extend the core material, providing further insight and detail as needed. A perspective extends the ORA core collateral by providing views, principles, patterns, and guidelines that are significant to that technology domain yet cohesive with the overall ORA. 

Industry perspectives extend the core material by adding the business functions, business processes, data entities, software capabilities and components that an industry vertical requires. Retail, Financial, Telco, and Pharma are examples of industry perspectives for ORA. 

Reference: IT Strategies from Oracle, An Overview, Release 3.0 


Q17. Which statement best describes the relationship between Oracle Reference Architecture (ORA) and the Oracle products? 

A. ORA describes the architecture built in to the Oracle products. 

B. ORA describes the architecture underlying the Oracle Fusion Applications. 

C. ORA describes a product-agnostic architecture and then maps the Oracle products onto the architecture. 

D. ORA describes an architecture thatis exclusively based on Oracle products. 

Answer:

Explanation: The Oracle Reference Architecture is Applicable to heterogeneous environments. It is independent of specific products or version. 


Q18. Which statements are true with regard to authorization checks being done in the Mediation Layer? 

A. Performing authorization checksin the Mediation Layer provides a centralized approach to securing SOA Services. 

B. Performing authorization checks in the Mediation Layer requires that all secured SOA Services be accessed via the same protocol. 

C. Performing authorization checks in the Mediation Layer requires that all secured SOA Services be accessed only via the Mediation Layer. 

D. Performing authorization checks in the Mediation Layer eliminates the need for role-based authentication. 

E. Performing authorization checks in the Mediation Layer requires that user authentication be based on username and password. 

Answer: A,D 

Explanation: Mediation is a key component in the overall architecture providing the decoupling between consumers and providers. 

A: Although not always required, leveraging the authorization capability within the Mediation Layer provides a centralized approach to securing SOA Services. 

Note: In addition to run time Service endpoint discovery, SOA infrastructure can provide additional value by acting as an intermediary and mediator between consumers and providers. For example, intermediaries can bridge the technology gaps between the two parties. Among their many capabilities are: 

* Translate (map) security credentials between different users/groups/roles or between different credential types 

* Translate, or transform request and response messages 

* Accept requests via one transport or protocol and forward them on using a different transport or protocol (not B) 

* Route messages based on content within the request message (Content-based routing) 

* Route messages based on security policies 

* Add or remove security measures such as encryption and certificates 

* Invoke multiple Service providers as part of a single Service request 

* Audit and/or log requests 

* Deny requests based on access policies (SLAs, Usage Agreements) 

* Capture response time metrics and usage metrics 

* Monitor and report on error conditions 

Reference: Oracle Reference Architecture, Service-Oriented Integration, Release 3.0 


Q19. Which statement is true with respect to Metadata Repository and Asset Repository? 

A. Metadata Repository manages the data about the assets, and Asset Repository stores the payload of the assets. 

B. Asset Repository manages the data about the assets, and Metadata Repository stores the payload of the assets. 

C. Metadata Repository stores everything related to the assets. Including metadata and payload. 

D. Asset Repository stores everything related to the assets, including metadata and payload. 

Explanation: Asset repository refers to the tools or technologies that store the physical assets or 

payload, as opposed to the metadata that is stored in the Metadata Repository. Reference: Oracle Reference Architecture,Software Engineering, Release 3.0 


Q20. IT Strategies from Oracle (ITSO) includes many Enterprise Solution Designs (ESD). Which statement best describes what an ESD provides to ITSO? 

A. An ESD describes the business processes and data entities that are incorporated into a specific Oracle application. 

B. An ESD detailsindustry-specific business processes that span two or more Oracle applications. 

C. An ESD describes the current state and desired future-state architecture of a typical enterprise in a vertical industry. 

D. An ESD identifies the Oracle applications that are focused on a particular vertical industry. 

Answer:

Explanation: ITSO is made up of three primary elementsOracle Reference Architecture (ORA), 

Enterrprise Technology Strategies (ETS) and Enterprise Solution Designs (ESD). 

Enterprise Solution Designs (ESD) are industry specific solution perspectives based on ORA. They define the high level business processes and functions, and the software capabilities in an underlying technology infrastructure that are required to build enterprise-wide industry solutions. ESDs also map the relevant application and technology products against solutions to illustrate how capabilities in Oracle’s complete integrated stack can best meet the business, technical and quality of service requirements within a particular industry. 

Reference: Oracle Reference Architecture, Service-Oriented Integration, Release 3.0