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Consider the following statements regarding internet of things (IoT): 1. IoT extends the communication via internet to all the things that surround us 2. IoT is M2M communication  3. IoT uses only wireless technology 4. The major objectives for IoT are the creation of smart environments/ spaces and self-aware things Which of the above statements are correct?
You develop an enterprise application, called XYZApplication that includes a Windows Form presentation layer, middle-tier components for business logic and data access, and a Microsoft SQL Server database.
You are in the process of creating a middle-tier component that will execute the data access routines in your application. When data is passed to this component, the component will call several SQL Server stored procedures to perform database updates. All of these procedure calls run under the control of a single transaction.
The code for the middle-tier component will implement the following objects:
SqlConnection cn = new SqlConnection();
SqlTransaction tr;
If two users try to update the same data concurrently, inconsistencies such as phantom reads will occur. You must now add code to your component to specify the highest possible level of protection against such inconsistencies.
Which code segment should you use?
The midpoint of a straight line is (3,6). If one endpoint of the straight line is (4,7) what is the other endpoint?
Proxying Spring services with EJB3s, injecting custom resources configured in Spring, or even using Spring to isolate your EJBs from acquiring references to other distributed resources such as a REST endpoint or an RMI endpoint.
An IoT ________ center is envisaged as an important part of the generic IoT platform to unify the organization.
IoT promotes the creation of IoT terminal industry ________
An IoT . . . . . . . . center is envisaged as an important part of the generic IoT platform to unify the organization.
IoT promotes the creation of IoT terminal industry
Which of the following is commonly used to describe the service interface, how to bind information, and the nature of the component’s service or endpoint?
Which of the following is commonly used to describe the service interface, how to bind information, and the nature of the component's service or endpoint?