多选题Which four service offerings are included in Oracle Public Cloud?（）ADatabase ServiceBData ServiceCJava ServiceDSecurity ServiceE.NET ServiceFSOA Service

A.Routed1483

B.Bridged1483

C.PPPoverATM

D.PPPoverEthernet

Cloud-computing providers offer their “services” according to different models, which happen to form a stack（ ）, platform as a service (Paas), software as a service (SaaS)

A.hardware as a service (Haas)

B.network as a service (NaaS)

C.infrastructure as a service (IaaS)

D.data as a service (DaaS)

You are developing a Windows Communication Foundation (WCF) service. The following code defines and implements the service. (Line numbers are included for reference only.)01 [ServiceContract(SessionMode = SessionMode.Allowed)]02 public interface ICatchAll03 {04 [OperationContract(IsOneWay = false, Action = "*", ReplyAction = "*")]05 Message ProcessMessage(Message message);06 }0708 public class CatchAllService : ICatchAll09 {10 public Message ProcessMessage(Message message)11 {1213 ...14 return returnMsg;15 }16 }You need to ensure that two identical copies of the received message are created in the service.Which code segment should you insert at line 12?（）

A.

B.

C.

D.

Cloud computing is a style of computing in which dynamically scalabled often ( ) resources are provided as a service over the internet.

A.real

B.rixed

C.actual

D.virtualized

You are developing a Windows Communication Foundation (WCF) service to replace an existing ASMX Web service.The WCF service contains the following code segment. (Line numbers are included for reference only.)

01 [ServiceContract()]

02

03 public interface IEmployeeService

04 {

05 [OperationContract()]

06 EmployeeInfo GetEmployeeInfo(int employeeID);

07

08 }

09

10 public class EmployeeService : IEmployeeService

11 {

12

13 public EmployeeInfo GetEmployeeInfo(int employeeID)

14 {

15 ...

16 }

17 }

18

19

20 public class EmployeeInfo

21 {

22 ...

23 public int EmployeeID { get; set; }

24 public string FirstName { get; set; }

25 public string LastName { get; set; }

26

27 }The existing Web service returns the EmployeelD as an attribute of the Employeelnfo element in the response XML.You need to ensure that applications can consume the service without code changes in the client.

What should you do?（）