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Qustion No. 1

Data is often said to exist in one of three states: 

1. In motion – being transmitted over a network or connection 

2. At rest – persisted in a queue, disk, file, and so on 

3. In memory – loaded into computer memory 

The third state, in memory, is seldom mentioned in security standards, texts and requirements. Why? 

A. Computer memory has built-in parity checking which protects against malicious alteration 

B. No one has direct access to a computer’s memory, therefore it is the safest place to be. 

C. All modern computers (developed since the mid-90s) automatically store data in memory in encrypted from to help ensure confidentiality and integrity, because of this, more emphasis has been placed on raising the level of protection in the other two states. 

D. This state is often overlooked. Data in memory can easily be viewed by anyone with system administrator. 

Answer: D 

Explanation: In Memory - a term used here to describe data that is currently being processed and therefore exposed to any program, diagnostic tool, operating system command, virus, etc. that is able to access memory. 

Reference: Oracle Reference Architecture,Security, Release 3.1 


Qustion No. 2

Which statement best describes how the Oracle Reference Architecture (ORA) combines different Technology Perspectives? 

A. A Technology Perspective is a specialized view of ORA focused on a particular set of products and technology; therefore, the core ORA material represents the combination of all of the Technology Perspectives. 

B. Each Technology Perspective belongs to an Enterprise Technology Strategy. Each Enterprise Technology Strategy includes practical guidance on how to combine the strategy with other Enterprise Technology Strategies. 

C. The composition of different Technology Perspectives is accomplished via Industry Perspectives. The Industry Perspective illustrates and describes how the different Technology Perspectives apply to a particular industry vertical. 

D. The composition of different Technology Perspectives is accomplished via SOA Services. The SOA conceptual model is used to illustrate and describe how each Technology Perspective consumes and provides SOA Services. 

Answer: D 

Explanation: The intent of SOA is to provide common reusable SOA Services that can be leveraged by a variety of consumers. SOA Services are made available to various types of service consumers in order to rationalize the way business functions are performed and enterprise data is managed. Its modular architecture approach promotes reuse and business agility, and the use of widely adopted technology standards improves interoperability between business solutions. 

Service consumers consist of various types of business solutions, such as BPM, EDA, MDM, BI. 

SOA Services can also act as service consumers. 

ORA provides a framework to describe how various technology perspectives are related. 

Note: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. 

ORA embraces service orientation at the core so that services provide a consistent mechanism to expose and combine various technologies and the capabilities. 

A high-level conceptual model for SOA is used to illustrate how technology perspectives consume and provide SOA Services. 

Reference: Oracle Reference Architectureand Service Orientation, Release 3.0 


Qustion No. 3

Which statement most accurately describes the purpose of the Process view of User Interaction? 

A. The Process view describes the sequence of activities In the development to deployment life cycle of the UI application. 

B. The Process view describes the workflow of the user Interaction with the application from screen to screen. 

C. The Process view describes the computer processes incorporated into the architecture and illustrates the interactions between the various components in the architecture. 

D. The Process view describes the business processes that are implemented In the UI applications. 

Answer: C 

Explanation: The Process View describes the computer processes incorporated into the architecture and illustrates the interactions between the various components in the architecture. 

Reference: Oracle Reference Architecture, User Interaction, Release 3.0 


Qustion No. 4

Which caching mode does every write to the cache cause a synchronous write to the back-end store? 

A. Refresh-Ahead Cache 

B. Write-Through Cache 

C. Write-Behind Cache 

D. Read-Through Cache 

Answer: B 

Explanation: In a write-through cache, every write to the cache causes a synchronous write to the backend store. 

In this approach, the data is updated in the backend data store, then the primary cache, all within the scope of the transaction. 

Then the backup cache is also updated to maintain consistency of data. 

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


Qustion No. 5

How is state typically managed in the browser interface? 

A. generally through the use of cookies in the browser 

B. in the caching layer 

C. State is not managed. All modern UIs are stateless. 

D. The services tier manages state and the client tier is stateless. 

Answer: B 

Explanation: The State Management component is responsible for maintaining the current state of the user interface. For browser interfaces, this is frequently implemented via cookies. 

Reference: Oracle Reference Architecture, User Interaction, Release 3.0 


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