Question 1

____ define information about the request or response message and about the contents of the message body.

Accepted Answer

A)  Queries 
B)  Tags 
C)  Headers 
D)  Labels 
A)  Queries 
B)  Tags 
C)  Headers 
D)  Labels C

Question 2

The term ____ refers to the application, usually a web browser, that makes the request.

Accepted Answer

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

Question 3

After you have defined the basic request criteria, you use the ____ method with the instantiated XMLHttpRequest object to submit the request to the server.

Accepted Answer

A)  pass() 
B)  request() 
C)  send() 
D)  call() 
A)  pass() 
B)  request() 
C)  send() 
D)  call() C

Question 4

Match between columns
                        Premises: Lets a user's browser know that a cross-domain request is authorized
Contains HTTP response as a text string
Three digits returned from an HTTP server
Uses a special HTTP response header to indicate response data may be used on other domains
Restricts how JavaScript code in one window, tab, or frame accesses a web page in another window or frame on a client computer
Provides services or data in response to requests that use its methods and properties
Someone or something that acts or performs a request for another thing or person
The key component of Ajax
Makes web pages dynamic by combining JavaScript, HTML, CSS, and the Document Object Model
Opens a potential security hole in your website

Accepted Answer

The Answer of DHTML and same-origin policy and XMLHttpRequest object is...

Question 5

Why is it generally a good practice to reuse an instantiated XMLHttpRequest object?

Accepted Answer

Opening and closing HTTP connections rep

Question 6

The term ____ refers to a computer system that is being accessed by a remote computer.

Accepted Answer

A)  protocol 
B)  host 
C)  client 
D)  URL 
A)  protocol 
B)  host 
C)  client 
D)  URL

Question 7

The first line of an HTTP message specifies the date.

Accepted Answer

A) True 
 B)False

Question 8

The XMLHttpRequest object uses ____ to exchange data between a client computer and a web server.

Accepted Answer

A)  HTTP 
B)  FTP 
C)  HTTPS 
D)  SSL 
A)  HTTP 
B)  FTP 
C)  HTTPS 
D)  SSL

Question 9

What are the four steps in using Ajax to update data?

Accepted Answer

1. Instantiate an XMLHttpRequest object

Question 10

A(n)____ request stops the processing of the JavaScript code until a response is returned from the server.

Accepted Answer

A)  asynchronous 
B)  global 
C)  domain 
D)  synchronous 
A)  asynchronous 
B)  global 
C)  domain 
D)  synchronous

Question 11

Why is the Cache-Control header important for Ajax applications?

Accepted Answer

The Cache-Control   header specifies how

Question 12

____ requests JSON content using a script element rather than an XMLHttpRequest object.

Accepted Answer

A) JSON-P 
B) CORS 
C) proxy 
D)  XDomainRequest 
A) JSON-P 
B) CORS 
C) proxy 
D)  XDomainRequest

Question 13

HTTP client requests and server responses are both known as HTTP ____.

Accepted Answer

A)  messages 
B)  scripts 
C)  strings 
D)  queries 
A)  messages 
B)  scripts 
C)  strings 
D)  queries

Question 14

An HTTP response code of 200 indicates that the request was successful.

Accepted Answer

A) True 
 B)False

Question 15

A(n)____ is a data source made available on one domain for use on other domains across the web.

Accepted Answer

A)  AJAX request 
B)  web service 
C)  HTTP service 
D)  DHTML service 
A)  AJAX request 
B)  web service 
C)  HTTP service 
D)  DHTML service

Question 16

Why do you need access to a web server when developing an Ajax application?

Accepted Answer

Opening a local file in a web browser re

Question 17

____ refers to the temporary storage of data for faster access.

Accepted Answer

A)  Caching 
B)  Salting 
C)  Shadowing 
D)  Hashing 
A)  Caching 
B)  Salting 
C)  Shadowing 
D)  Hashing

Question 18

The ____ header specifies how a web browser should cache any server content it receives.

Accepted Answer

A)  Caching 
B)  Cache-Control 
C)  CacheLevel 
D)  Cached 
A)  Caching 
B)  Cache-Control 
C)  CacheLevel 
D)  Cached

Question 19

Are synchronous or asynchronous responses more resistant to server problems? Why?

Accepted Answer

Although synchronous responses are easie

Question 20

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

Accepted Answer

A)  proxy 
B)  switch 
C)  router 
D)  firewall 
A)  proxy 
B)  switch 
C)  router 
D)  firewall

____ define information about the request or response message and about the contents of the message body.

The term ____ refers to the application, usually a web browser, that makes the request.

After you have defined the basic request criteria, you use the ____ method with the instantiated XMLHttpRequest object to submit the request to the server.

Why is it generally a good practice to reuse an instantiated XMLHttpRequest object?

The term ____ refers to a computer system that is being accessed by a remote computer.

The first line of an HTTP message specifies the date.

The XMLHttpRequest object uses ____ to exchange data between a client computer and a web server.

What are the four steps in using Ajax to update data?

A(n)____ request stops the processing of the JavaScript code until a response is returned from the server.

Why is the Cache-Control header important for Ajax applications?

____ requests JSON content using a script element rather than an XMLHttpRequest object.

HTTP client requests and server responses are both known as HTTP ____.

An HTTP response code of 200 indicates that the request was successful.

A(n)____ is a data source made available on one domain for use on other domains across the web.

Why do you need access to a web server when developing an Ajax application?

____ refers to the temporary storage of data for faster access.

The ____ header specifies how a web browser should cache any server content it receives.

Are synchronous or asynchronous responses more resistant to server problems? Why?

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

Introduction to Javascript

Working With Functions Data Types and Operators

Building Arrays and Controlling Flow

Debugging and Error Handling

Working With the Document Object Model Dom and Dhtml

Enhancing and Validating Forms

Using Object Oriented Javascript

Manipulating Data in Strings and Arrays

Managing State Information and Security

Programming for Mobile Devices and Touchscreens

Introduction to Jquery

Filters

Exam 11: Updating Web Pages With Ajax

____ define information about the request or response message and about the contents of the message body.

The term ____ refers to the application, usually a web browser, that makes the request.

After you have defined the basic request criteria, you use the ____ method with the instantiated XMLHttpRequest object to submit the request to the server.

Why is it generally a good practice to reuse an instantiated XMLHttpRequest object?

The term ____ refers to a computer system that is being accessed by a remote computer.

The first line of an HTTP message specifies the date.

The XMLHttpRequest object uses ____ to exchange data between a client computer and a web server.

What are the four steps in using Ajax to update data?

A(n)____ request stops the processing of the JavaScript code until a response is returned from the server.

Why is the Cache-Control header important for Ajax applications?

____ requests JSON content using a script element rather than an XMLHttpRequest object.

HTTP client requests and server responses are both known as HTTP ____.

An HTTP response code of 200 indicates that the request was successful.

A(n)____ is a data source made available on one domain for use on other domains across the web.

Why do you need access to a web server when developing an Ajax application?

____ refers to the temporary storage of data for faster access.

The ____ header specifies how a web browser should cache any server content it receives.

Are synchronous or asynchronous responses more resistant to server problems? Why?

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

Introduction to Javascript

Working With Functions Data Types and Operators

Building Arrays and Controlling Flow

Debugging and Error Handling

Working With the Document Object Model Dom and Dhtml

Enhancing and Validating Forms

Using Object Oriented Javascript

Manipulating Data in Strings and Arrays

Managing State Information and Security

Programming for Mobile Devices and Touchscreens

Introduction to Jquery

Filters