Question 1

You can use a server-side script as a proxy to access data from  another domain.

Accepted Answer

A) True 
 B)False

Question 2

How can you create an asynchronous request with JavaScript?

Accepted Answer

The answer of How can you create an asynchronous request...

Question 3

The  XMLHttpRequest   object can be used to request and receive data without reloading a web page.

Accepted Answer

A) True 
 B)False

Question 4

The value of the responseText property is almost always a(n)____ string.

Accepted Answer

A) XML 
B) XHTML 
C) JSON 
D) HTML

Question 5

All the information needed to create a JSON-P request is packaged into the URL specified  for the  ____________________   attribute of the script element.

Accepted Answer

The answer of All the information needed to create a...

Question 6

____________________ is a set of rules that defines how requests are made by an HTTP client to an HTTP server, and how responses are returned from an HTTP server to an HTTP client.

Accepted Answer

The answer of ____________________ is a set of rules that...

Question 7

Ajax gets its name from the fact that when it was first used, it was practical only with JavaScript and ____.

Accepted Answer

A)  ActiveX 
B)  DOM 
C)  XML 
D)  HTTPS

Question 8

CORS is supported by all browsers in use today.

Accepted Answer

A) True 
 B)False

Question 9

By combining the ____ object with DHTML techniques, you can update and modify individual portions of your web page with data received from a web server.

Accepted Answer

A)  AjaxRequest 
B)  XMLHttpRequest 
C)  HttpRequest 
D)  XMLRequest

Question 10

The term ____ is another name for a web server and refers to a computer that receives HTTP requests and returns responses to HTTP clients.

Accepted Answer

A)  URL 
B)  HTTP client 
C)  HTTP server 
D)  host

Question 11

To improve performance, you should call the ____ method of the XMLHttpRequest object to cancel any existing HTTP requests before beginning a new one.

Accepted Answer

A)  exit() 
B)  abort() 
C)  cancel() 
D)  delete()

Question 12

A web server's reply to a request is known as the ____________________.

Accepted Answer

The answer of A web server's reply to a request...

Question 13

After you instantiate an XMLHttpRequest object, you use the ____ method with the instantiated XMLHttpRequest object to specify the request method (such as GET or POST )and URL.

Accepted Answer

A)  alive() 
B)  create() 
C)  instantiate() 
D)  open()

Question 14

The purpose of the ____ policy is to prevent malicious scripts from modifying the content of other windows, tabs, and frames and prevent the theft of private browser information and information displayed on secure web pages.

Accepted Answer

A)  privacy 
B)  proxy 
C)  delegation 
D)  same-origin

Question 15

How does CORS work?

Accepted Answer

The answer of How does CORS work?...

Question 16

A(n)____________________ request allows JavaScript to continue processing while it waits for a server response.

Accepted Answer

The answer of A(n)____________________ request allows JavaScript to continue processing...

Question 17

Why is it important to use JSON-P only with a web service that you trust?

Accepted Answer

The answer of Why is it important to use JSON-P...

Question 18

How can a proxy be useful with Ajax?

Accepted Answer

The answer of How can a proxy be useful with...

Question 19

Every web page is identified by a unique address called the ____.

Accepted Answer

A)  host string 
B)  host 
C)  URL 
D)  HTTP

Question 20

Why should you not include an API key in public JavaScript code?

Accepted Answer

The answer of Why should you not include an API...

Exam 11: Updating Web Pages With Ajax

You can use a server-side script as a proxy to access data from another domain.

How can you create an asynchronous request with JavaScript?

The XMLHttpRequest object can be used to request and receive data without reloading a web page.

The value of the responseText property is almost always a(n) ____ string.

All the information needed to create a JSON-P request is packaged into the URL specified for the ____________________ attribute of the script element.

____________________ is a set of rules that defines how requests are made by an HTTP client to an HTTP server, and how responses are returned from an HTTP server to an HTTP client.

Ajax gets its name from the fact that when it was first used, it was practical only with JavaScript and ____.

CORS is supported by all browsers in use today.

By combining the ____ object with DHTML techniques, you can update and modify individual portions of your web page with data received from a web server.

The term ____ is another name for a web server and refers to a computer that receives HTTP requests and returns responses to HTTP clients.

To improve performance, you should call the ____ method of the XMLHttpRequest object to cancel any existing HTTP requests before beginning a new one.

A web server's reply to a request is known as the ____________________.

After you instantiate an XMLHttpRequest object, you use the ____ method with the instantiated XMLHttpRequest object to specify the request method (such as GET or POST ) and URL.

The purpose of the ____ policy is to prevent malicious scripts from modifying the content of other windows, tabs, and frames and prevent the theft of private browser information and information displayed on secure web pages.

How does CORS work?

A(n)____________________ request allows JavaScript to continue processing while it waits for a server response.

Why is it important to use JSON-P only with a web service that you trust?

How can a proxy be useful with Ajax?

Every web page is identified by a unique address called the ____.

Why should you not include an API key in public JavaScript code?