SOA Fundamental SOA & Service Oriented Computing Set 2

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SOA Fundamental SOA & Service Oriented Computing Set 2

Complete the following statement with the correct sentence : "The objective of organizational agility is to dramatically reduce the time and effort required to fulfill new or changed business requirements...

as long as the business requirements doesn't change too often." ✘ once legacy integration has been broadly achieved." ✘ once a collection of mature agnostic services is available." ✘ as long as the organization can continually outsource its IT projects." ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Service composition is important to the success of SOA initiatives because:

You can only create service-oriented solutions as service compositions. ✘ Services that compose multiple legacy systems can be designed to leverage only the parts of each system that are relevant to the functional context of theservice. ✘ Service compositions enable the service-oriented computing goal of Increased Federation by guaranteeing that service endpoints are consistently designed anddeveloped. ✘ Services that can be composed and recomposed support several service-oriented computing goals, including Increased ROI and Increased OrganizationalAgility. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A software program that invokes and interacts with a service is referred to as a:

service contract ✘ service inventory ✘ service container ✘ none of the above ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

The ability of one service to __________ another service forms the basis of service __________.

divert, diversification ✘ register, registries ✘ consume, composition ✘ integrate, integration ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which of the following statements is true?

For a service consumer to interact with a service it must comply to the requirements of the service contract. ✘ The service contract is used to express meta data about a service for human consumption only, and compliance to the service contract by service consumers istherefore not required. ✘ Service contracts are only used to access a service when the service consumer itself is not a service. ✘ All of these statements are true. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which of the following statements is false?

The standardization of service contracts supports the strategic goal of Increased Intrinsic Interoperability. ✘ The standardization of service contracts supports the strategic goal of Increased Governance Integration. ✘ The standardization of service contracts is supported by service-orientation. ✘ The standardization of service contracts supports the strategic goal of Increased Federation. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

If a service can have one or more service capabilities, then how can a service consumer interact with a service?

It can't. The service must only provide one service capability in order for it to be accessible by service consumers. ✘ Each service capability represents a function that the service has to offer. The service consumer can invoke and interact with one service capability at a time,thereby only using a subset of the service's overall functionality. ✘ Service capabilities are designed to be composed together, which means that in order for a service consumer to interact with a service, it must be designed toinvoke all of its service capabilities at the same time. ✘ Services do not have service capabilities that are explicitly invoked. Services almost always exist as event-driven programs that transparently intercept serviceconsumer messages at runtime. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

An IT enterprise proceeds with an SOA initiative that is based on the creation of a single enterprise service inventory. However, conflicts arise when different IT departments disagree on who will own the services and how they will be governed. Which of the following alternative approaches could be chosen to address these conflicts?

The top-down approach is chosen. This allows services to be modeled subsequent to their design, thereby enabling each service to be governed by multiple
owners. ✘ It is decided to proceed with the creation of multiple domain service inventories. This allows collections of services to be independently governed by differentowners, while still enabling the IT enterprise as a whole to transition toward SOA. ✘ The established "contract last" approach is chosen, allowing different IT managers to focus on contract-related governance issues after the services are
deployed and in use. ✘ Because SOA projects absolutely require enterprise-wide standardization and further demand the creation of an enterprise service inventory, the IT managershave no choice than to cancel the project. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Project Team A delivers Domain Service Inventory A with 20 services. If Project Team B delivers Domain Service Inventory B with 50 services, how many services are in the Enterprise Service Inventory?

20 ✘ 50 ✘ 70 ✘ An enterprise service inventory is not comprised of domain service inventories. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

What is the minimum number of domain service inventories you need in order to create a single enterprise service inventory?

two ✘ three ✘ one for each business domain ✘ An enterprise service inventory is not comprised of domain service inventories. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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