CSE 445 Midterm MEGASET (Answered)
625 Questions and Correct Answers,
100% Correct. Latest 2024/2025.
In what WSDL element is the URL of a Web service stored?
port
When converting a WSDL service into a RESTful service, what files need to be modified? Select all
that apply.
- Service.svc
- Service.cs
- IService.cs
- Web.config
- Service.svc
- IService.cs
- Web.config
When calling a RESTful service, where should the parameter value be placed?
in URL
A service is defined through a class. What WSDL element corresponds to the method name in the
class?
operation
Web Service Description Language (WSDL) is used for
defining the interface of services.
A tModel in UDDI describes the
type of a group of web services
1. What is the main function of the IIS worker process?
2. What is the main function of the Web Administration Service (WAS) in IIS?
1. Executing Web services and Web applications as its threads.
2. Register Web services and Web applications into the registry.
To develop a WSDL/SOAP service testing tool, what is the best way to call the service under test?
Use dynamic proxy.
What kind of testing technique is typically used for web service testing?
black-box testing
,How can the data stored in ViewState variable of one page be accessed by another page?
First post it back to server and then send it to the other page.
Consider the code behind a button "Add to Sum", which accumulates all the numbers entered. What
variable can maintain the state (the accumulated sum) of the program for the next Web request?
protected void btnAddSum_Click(object sender, EventArgs e) {
Int32 sum = 0;
if(ViewState["Sum"] == null) ViewState["Sum"] = 0;
else {
Int32 newValue = Convert.ToInt32(this.txtEnterValue.Text);
sum = (Int32) ViewSate["Sum"] + newValue;
ViewState["Sum"] = sum;
this.lblDisplaySum.Text = sum.ToString();
}
}
ViewState["Sum"]
How does a client bind to a RESTful service?
Always dynamically
What kinds of remotable objects exist in .Net environment? Select all that apply.
- Marshal-by-delegate bag.
- Marshal-by-value objects.
- Marshal-by-interface virtual object.
- Marshal-by-reference objects.
- Marshal-by-value objects.
- Marshal-by-reference objects.
The key function of AJAX programming is to allow
partial data refreshing and making the Web page more responsive.
Which of the following components in a Java SOC development environment is responsible for
hosting the execution of a Web service?
Tomcat
Java Remote Method Invocation (RMI) is used for creating distributed applications using
Marshal-by-reference
What are the key differences between a Remote Procedure Call (PRC) and a Web Service Invocation
(WSI)? Select all that apply.
- PRC is platform-dependent; WSI is platform-independent.
- PRC uses one-way asynchronous communication; WSI uses two-way synchronous communication.
- WSI is a special case of RPC.
- PRC is tightly couples; WSI is loosely coupled
,- PRC is platform-dependent; WSI is platform-independent.
- PRC is tightly couples; WSI is loosely coupled.
Software integration typically deals with software packages
from different vendors
A system is a collection of interconnected components defined at these levels: (Select all that apply)
-Architecture, -Interface, -Behavior
The endpoints in ASMX and in WCF services are different at programming language level. However,
they are the same at the service level. Their interfaces are both described in
WSDL
When creating a self-hosting service, the library class ServiceMetadataBehavior is used for
adding and enabling HTTP GET.
What part of the C# code is used for defining the service contract in the WCF endpoint?
interface
What are the main reasons of using self-hosting for WCF services, instead of using server hosting?
Select all that apply.
-Increased flexibility in starting and closing a service
-Reduced overhead in managing the services.
What project template we use for creating the self-hosting service?
-Console Application
What level of behaviors deals with creating multiple instances of a service to process requests?
Service behaviors
What is the benefit of using asynchronous calls, instead of using synchronous calls?
Asynchronous calls do not block the callers.
What binding protocol is used for exposing a service RESTful services, instead of SOAP services?
WebHttpBinding
What type of service instances in WCF allows data sharing among different clients (different
sessions) of a service?
Single
Given a function:
int foo(int x, int y);
What is the appropriate way of expressing the function for asynchronous calls?
void foo(int x, int y, out int z);
Which of the following statements are correct about HTTP?
, -HTTP is Stateless, -HTTP messages are always two ways
What data formats does a WCF RESTful service support to return a set of data items? Select all that
apply.
-JSON, -RSS
When we convert a SOAP service to a RESTful service in WCF, what must be removed?
The endpoint
What is the application level protocol employed in RESTful services?
HTTP
A sidecar in a service mesh is
a proxy to a microservice service.
What is NOT a part of a WCF endpoint?
messageType
What are the main reasons of paradigm shift from object orientation to service orientation? Select
all that apply.
-Internet provisioning of services, -Interoperability among different platforms
What concept of service orientation involves most detail?
Service-Oriented Development
The synchronous communication between the client and server requires
the client to block-wait for the response.
How are asynchronous communications implemented in WCF? Select all that apply
-A one-way call from client to server, and an independent call back from the server, -A pair of one-
way calls from the client to server.
What template cannot be used for developing a client to consume a WCF service?
WCF
In what WSDL element is the "address" part of a WCF endpoint contained?
port
The standards and protocols SOAP, WSDL, UDDI and XML are mostly related to
Web services
In the layers of behaviors in WCF services:
(1) What layer is in charge of inspecting and taking actions on incoming and outgoing messages?
Choose one: Endpoint behaviors
(2) What layer is in charge of implementing a stateful service? Choose one: Service behaviors
-Endpoint behaviors, -Service Behaviors
625 Questions and Correct Answers,
100% Correct. Latest 2024/2025.
In what WSDL element is the URL of a Web service stored?
port
When converting a WSDL service into a RESTful service, what files need to be modified? Select all
that apply.
- Service.svc
- Service.cs
- IService.cs
- Web.config
- Service.svc
- IService.cs
- Web.config
When calling a RESTful service, where should the parameter value be placed?
in URL
A service is defined through a class. What WSDL element corresponds to the method name in the
class?
operation
Web Service Description Language (WSDL) is used for
defining the interface of services.
A tModel in UDDI describes the
type of a group of web services
1. What is the main function of the IIS worker process?
2. What is the main function of the Web Administration Service (WAS) in IIS?
1. Executing Web services and Web applications as its threads.
2. Register Web services and Web applications into the registry.
To develop a WSDL/SOAP service testing tool, what is the best way to call the service under test?
Use dynamic proxy.
What kind of testing technique is typically used for web service testing?
black-box testing
,How can the data stored in ViewState variable of one page be accessed by another page?
First post it back to server and then send it to the other page.
Consider the code behind a button "Add to Sum", which accumulates all the numbers entered. What
variable can maintain the state (the accumulated sum) of the program for the next Web request?
protected void btnAddSum_Click(object sender, EventArgs e) {
Int32 sum = 0;
if(ViewState["Sum"] == null) ViewState["Sum"] = 0;
else {
Int32 newValue = Convert.ToInt32(this.txtEnterValue.Text);
sum = (Int32) ViewSate["Sum"] + newValue;
ViewState["Sum"] = sum;
this.lblDisplaySum.Text = sum.ToString();
}
}
ViewState["Sum"]
How does a client bind to a RESTful service?
Always dynamically
What kinds of remotable objects exist in .Net environment? Select all that apply.
- Marshal-by-delegate bag.
- Marshal-by-value objects.
- Marshal-by-interface virtual object.
- Marshal-by-reference objects.
- Marshal-by-value objects.
- Marshal-by-reference objects.
The key function of AJAX programming is to allow
partial data refreshing and making the Web page more responsive.
Which of the following components in a Java SOC development environment is responsible for
hosting the execution of a Web service?
Tomcat
Java Remote Method Invocation (RMI) is used for creating distributed applications using
Marshal-by-reference
What are the key differences between a Remote Procedure Call (PRC) and a Web Service Invocation
(WSI)? Select all that apply.
- PRC is platform-dependent; WSI is platform-independent.
- PRC uses one-way asynchronous communication; WSI uses two-way synchronous communication.
- WSI is a special case of RPC.
- PRC is tightly couples; WSI is loosely coupled
,- PRC is platform-dependent; WSI is platform-independent.
- PRC is tightly couples; WSI is loosely coupled.
Software integration typically deals with software packages
from different vendors
A system is a collection of interconnected components defined at these levels: (Select all that apply)
-Architecture, -Interface, -Behavior
The endpoints in ASMX and in WCF services are different at programming language level. However,
they are the same at the service level. Their interfaces are both described in
WSDL
When creating a self-hosting service, the library class ServiceMetadataBehavior is used for
adding and enabling HTTP GET.
What part of the C# code is used for defining the service contract in the WCF endpoint?
interface
What are the main reasons of using self-hosting for WCF services, instead of using server hosting?
Select all that apply.
-Increased flexibility in starting and closing a service
-Reduced overhead in managing the services.
What project template we use for creating the self-hosting service?
-Console Application
What level of behaviors deals with creating multiple instances of a service to process requests?
Service behaviors
What is the benefit of using asynchronous calls, instead of using synchronous calls?
Asynchronous calls do not block the callers.
What binding protocol is used for exposing a service RESTful services, instead of SOAP services?
WebHttpBinding
What type of service instances in WCF allows data sharing among different clients (different
sessions) of a service?
Single
Given a function:
int foo(int x, int y);
What is the appropriate way of expressing the function for asynchronous calls?
void foo(int x, int y, out int z);
Which of the following statements are correct about HTTP?
, -HTTP is Stateless, -HTTP messages are always two ways
What data formats does a WCF RESTful service support to return a set of data items? Select all that
apply.
-JSON, -RSS
When we convert a SOAP service to a RESTful service in WCF, what must be removed?
The endpoint
What is the application level protocol employed in RESTful services?
HTTP
A sidecar in a service mesh is
a proxy to a microservice service.
What is NOT a part of a WCF endpoint?
messageType
What are the main reasons of paradigm shift from object orientation to service orientation? Select
all that apply.
-Internet provisioning of services, -Interoperability among different platforms
What concept of service orientation involves most detail?
Service-Oriented Development
The synchronous communication between the client and server requires
the client to block-wait for the response.
How are asynchronous communications implemented in WCF? Select all that apply
-A one-way call from client to server, and an independent call back from the server, -A pair of one-
way calls from the client to server.
What template cannot be used for developing a client to consume a WCF service?
WCF
In what WSDL element is the "address" part of a WCF endpoint contained?
port
The standards and protocols SOAP, WSDL, UDDI and XML are mostly related to
Web services
In the layers of behaviors in WCF services:
(1) What layer is in charge of inspecting and taking actions on incoming and outgoing messages?
Choose one: Endpoint behaviors
(2) What layer is in charge of implementing a stateful service? Choose one: Service behaviors
-Endpoint behaviors, -Service Behaviors
