Question 1

The ________ attribute exposes a class to client access.

Accepted Answer

A) DataEndpoint 
B) DataBinding 
C) DataMember 
D) DataContract 
A) DataEndpoint 
B) DataBinding 
C) DataMember 
D) DataContract D

Question 2

A WCF web service in Visual Studio 2012 Express for Web consists of ________.

Accepted Answer

A) a code-behind file 
B) a Web.config file 
C) an SVC file 
D) All of the above 
A) a code-behind file 
B) a Web.config file 
C) an SVC file 
D) All of the above D

Question 3

All of the following are key components of a WCF service except:

Accepted Answer

A) contract 
B) operation 
C) address 
D) binding 
A) contract 
B) operation 
C) address 
D) binding B

Question 4

Each operation in a RESTful web service is identified by a unique _________.

Accepted Answer

A) URL 
B) proxy object 
C) interface 
D) None of the above 
A) URL 
B) proxy object 
C) interface 
D) None of the above

Question 5

Which of the following is false?

Accepted Answer

A) The two most common HTTP request types (also known as request methods)are get and post. 
B) Both get and post requests send form data to the server as part of the URL. 
C) An HTTP request often sends data to a server-side form handler that processes the data. 
D) A ? separates the query string from the rest of the URL in a get request. 
A) The two most common HTTP request types (also known as request methods)are get and post. 
B) Both get and post requests send form data to the server as part of the URL. 
C) An HTTP request often sends data to a server-side form handler that processes the data. 
D) A ? separates the query string from the rest of the URL in a get request.

Question 6

Which is a not requirement of a custom data type to be used in web services?

Accepted Answer

A) Any variables to be accessed during runtime must be declared WebVar. 
B) The class with the web methods must provide a Public default constructor. 
C) Properties and instance variables that should be serialized must be declared Public. 
D) Properties that should be serialized must provide both get and set accessors. 
A) Any variables to be accessed during runtime must be declared WebVar. 
B) The class with the web methods must provide a Public default constructor. 
C) Properties and instance variables that should be serialized must be declared Public. 
D) Properties that should be serialized must provide both get and set accessors.

Question 7

The ________ attribute maps a method to a unique URL that can be accessed via an HTTP GET operation programmatically or in a web browser.

Accepted Answer

A) OperationContract 
B) WebGet 
C) OperationBinding 
D) UriTemplate 
A) OperationContract 
B) WebGet 
C) OperationBinding 
D) UriTemplate

Question 8

In the Web.config file,the service binding in the endpoint element must be set to ________ to support REST-based HTTP requests.

Accepted Answer

A) webHttpBinding 
B) wsHttpBinding 
C) basicHttpBinding 
D) netHttpBinding 
A) webHttpBinding 
B) wsHttpBinding 
C) basicHttpBinding 
D) netHttpBinding

Question 9

REST-based web services differ from SOAP-based web services in that ________.

Accepted Answer

A) REST operations must be accessed through a web service proxy object 
B) REST services are less verbose than SOAP-based services 
C) the request and response of REST services are not wrapped in envelopes and are not necessarily in XML format 
D) None of the above. 
A) REST operations must be accessed through a web service proxy object 
B) REST services are less verbose than SOAP-based services 
C) the request and response of REST services are not wrapped in envelopes and are not necessarily in XML format 
D) None of the above.

Question 10

The machine on which the web service resides is commonly referred to as the ___________.

Accepted Answer

A) web service host 
B) service machine 
C) web machine 
D) None of the above. 
A) web service host 
B) service machine 
C) web machine 
D) None of the above.

Question 11

A web service's methods can be called by methods on other machines using ___________.

Accepted Answer

A) Representational State Transfer (REST)architecture 
B) Simple Object Access Protocol 
C) Both (a)and (b). 
D) None of the above. 
A) Representational State Transfer (REST)architecture 
B) Simple Object Access Protocol 
C) Both (a)and (b). 
D) None of the above.

Question 12

For a WCF web service to return data in JSON format,WebGet's ResponseFormat property must be set to ________.

Accepted Answer

A) WebMessageFormat.Json 
B) MessageFormat.Json 
C) an SVC file 
D) All of the above 
A) WebMessageFormat.Json 
B) MessageFormat.Json 
C) an SVC file 
D) All of the above

Question 13

JSON is a text-based data-interchange format used to represent objects in JavaScript as collections of _________ represented as strings.

Accepted Answer

A) data/format pairs 
B) primary key/data rows 
C) definition/key pairs 
D) name/value pairs 
A) data/format pairs 
B) primary key/data rows 
C) definition/key pairs 
D) name/value pairs

Question 14

Which of the following is false?

Accepted Answer

A) WCF is a set of technologies for building distributed systems in which system components communicate with one another over networks. 
B) Since WCF is a common framework for all communication between systems,it allows you to learn only one programming model to use WCF. 
C) Web services promote software reusability in distributed systems that typically execute across the Internet. 
D) Web services allow their methods to be called by methods on other machines via different data formats and protocols. 
A) WCF is a set of technologies for building distributed systems in which system components communicate with one another over networks. 
B) Since WCF is a common framework for all communication between systems,it allows you to learn only one programming model to use WCF. 
C) Web services promote software reusability in distributed systems that typically execute across the Internet. 
D) Web services allow their methods to be called by methods on other machines via different data formats and protocols.

Question 15

JSON format is _________ compared to XML format.

Accepted Answer

A) of higher quality 
B) more verbose 
C) less verbose 
D) None of the above 
A) of higher quality 
B) more verbose 
C) less verbose 
D) None of the above

Question 16

An XML data object is converted to a custom type via the process of ____________.

Accepted Answer

A) deserialization 
B) SOAP decoding 
C) typecasting 
D) None of the above. 
A) deserialization 
B) SOAP decoding 
C) typecasting 
D) None of the above.

Exam 25: Web Services

The ________ attribute exposes a class to client access.

A WCF web service in Visual Studio 2012 Express for Web consists of ________.

All of the following are key components of a WCF service except:

Each operation in a RESTful web service is identified by a unique _________.

Which of the following is false?

Which is a not requirement of a custom data type to be used in web services?

The ________ attribute maps a method to a unique URL that can be accessed via an HTTP GET operation programmatically or in a web browser.

In the Web.config file,the service binding in the endpoint element must be set to ________ to support REST-based HTTP requests.

REST-based web services differ from SOAP-based web services in that ________.

The machine on which the web service resides is commonly referred to as the ___________.

A web service's methods can be called by methods on other machines using ___________.

For a WCF web service to return data in JSON format,WebGet's ResponseFormat property must be set to ________.

JSON is a text-based data-interchange format used to represent objects in JavaScript as collections of _________ represented as strings.

Which of the following is false?

JSON format is _________ compared to XML format.

An XML data object is converted to a custom type via the process of ____________.

Introduction to Computers, the Internet and Visual Basic

Dive Into Visual Basic Express 2012 Express

Introduction to Visual Basic Programming

Introduction to Problem Solving and Control Statements

Problem Solving and Control Statements

Methods

Arrays

Files and Streams

Object-Oriented Programming: Classes and Objects

Object-Oriented Programming: Inheritance

Introduction to Linq

Databases and LINQ to SQL

Web App Developing in Aspnet With Vb

Windows Forms Gui: a Deeper Look

Graphics and Multimedia

Exception Handling

Strings and Characters: a Deeper Look

Files and Streams

Xml and Linq to Xml

Windows 8 Ui Xaml

Windows 8 Graphics and Multimedia

Windows Phone 8 Case Study

Asynchronous Programming With Async and Await

Web App Development With Aspnet: a Deeper Look

Windows Azure Cloud Computing Case Study

Visual Basic 2012 How to Program

Visual Basic 2012 How to Program

Data Structures and Generic Collections

Filters