Deck 9: Managing State Information

Question 1

A hidden form field is not displayed by the browser.

Answer 1

True

Question 2

Each individual server or domain can store between 20 and 70 cookies on a user's computer.

Answer 2

True

Question 3

You can use a query string to pass information from one Web page to another.

Answer 3

True

Question 4

The setcookie() function can be called only once.

Question 5

The $_REQUEST[] autoglobal is always good choice to use as it contains all of the array elements of the $_GET[], $_POST[], and $_COOKIE autoglobal arrays.

Question 6

Users can choose whether to accept cookies that a script attempts to write to their system.

Question 7

Since cookies must be set individually, they cannot be stored in arrays.

Question 8

Cookies were originally created for use with CGI scripts.

Question 9

You can call the setcookie() function at any location in your Web page.

Question 10

To make it possible to store state information beyond a current Web page session, Microsoft invented cookies.

Question 11

Cookies are stored in a binary file on the user's computer.

Question 12

Maintaining state refers to storing persistent data about a Web site visit using hidden form fields, query strings, cookies and sessions.

Question 13

Hidden input elements are visible in the URL when you use the get method but are not visible in the source code of the Web page.

Question 14

You can access any query string data that is appended to a URL from PHP by using the $_POST autoglobal.

Question 15

Query strings permanently maintain state information.

Question 16

Persistent cookies remain available only for the current browser session.

Question 17

Hidden form fields maintain state information between Web pages, but not when the Web session closes.

Question 18

Cookies created with the name and value arguments are temporary cookies.

Question 19

The setcookie() function has no required arguments.

Question 20

You cannot append a query string to any URL on a Web page.

Question 21

One way to preserve information following a user's visit to a Web page is to append a ____ at the end of a URL.

A) function
B) query string
C) auto-global
D) indentifier

Question 22

How many name=value pairs are in the following URL?

Question 23

For a cookie to persist beyond the current browser session you must use the terminate argument with the setcookie() function.

Question 24

You separate individual name=value pairs within a query string using ____.

A) ampersands (&)
B) backslashes (\)
C) question marks (?)
D) forward slashes (/)

Question 25

You do not need to delete persistent cookies because they automatically cease to exist when the current browser session ends.

Question 26

You use the path argument to share cookies across multiple servers in the same domain.

Question 27

In URL encoded format, each space character is represented by %20.

Question 28

Session state information is stored in the $_SESSION autoglobal.

Question 29

Encoding does not occur for standard alphanumeric characters.

Question 30

By default, a cookie is not available to all Web pages in the same directory.

Question 31

You create a cookie by passing to the setcookie() function a required ____ argument and five optional arguments.

A) name
B) value
C) expires
D) path

Question 32

By default, cookies cannot contain semicolons.

Question 33

Cookies can be temporary or ____.

A) persistent
B) relational
C) invisible
D) hidden

Question 34

You can use special characters in cookies created in PHP.

Question 35

The session_start() function does not accept any arguments.

Question 36

To pass information from one page to another using a query string, you add a(n) ____ immediately after the URL, followed by the query string containing the information you want to preserve in name=value pairs.

A) ampersand (&)
B) backslash (\)
C) question mark (?)
D) forward slash (/)

Question 37

Whenever a Web client visits a Web server, saved ____ for the requested Web page are sent from the client to the server.

A) forms
B) fields
C) cookies
D) identifiers

Question 38

Which of the following is not a tool for maintaining state information with PHP?

A) hidden form fields
B) query strings
C) functions
D) cookies

Question 39

You can access the values submitted from the form by using the $_GET[] and ____ autoglobals.

A) $_POST[]
B) $_FIND[]
C) $_RETRIEVE[]
D) $_SEND[]

Question 40

Web browsers can limit the total number of cookies stored on a user's computer to at least ____.

A) 200
B) 300
C) 400
D) 500

Question 41

You store session state information in the $_SESSION ____.

A) script
B) function
C) autoglobal
D) cookie

Question 42

If you want to store state information that will be available when a client revisits your Web site in the future, you must use ____.

A) sessions
B) cookies
C) autoglobals
D) hidden form fields

Question 43

You create hidden form fields with the ____________________ element.

Question 44

If a Web site stores no persistent data about a visit to a Web site, it is said to be ____________________.

Question 45

Whenever you need to work with sessions in a PHP script, you must call the ____ function.

A) set_cookie()
B) session_start()
C) keyword()
D) session_stop()

Question 46

Cookies that are available to the current Web page are automatically assigned to the ____ autoglobal.

A) $_GET
B) $_POST
C) $_COOKIE
D) $_FIND

Question 47

What is the hexadecimal ASCII equivalent of a space character?

A) 19
B) 20
C) 22
D) 25

Question 48

Which of the following characters would encoding not encode?

A) ,
B) /
C) %
D) ^

Question 49

The ____ argument determines the availability of a cookie to other Web pages on a server.

A) secure
B) expires
C) path
D) domain

Question 50

The ____ argument indicates that a cookie can only be transmitted across a secure Internet connection using HTTPS or another security protocol.

A) secure
B) expires
C) domain
D) path

Question 51

PHP allows you to store cookie values in indexed or associative ____.

A) functions
B) text files
C) arrays
D) scripts

Question 52

Information about individual visits to a Web site is called ____________________.

Question 53

____ are random alphanumeric strings that identifies a session.

A) Cookies
B) Functions
C) Session IDs
D) Hidden form fields

Question 54

For a cookie to persist beyond the current browser session, you must use the ____ argument with the setcookie() function.

A) secure
B) expires
C) path
D) domain

Question 55

Session state information is stored in the ____ autoglobal.

A) $_GET[]
B) $_POST[]
C) $_SESSION[]
D) $_COOKIE[]

Question 56

The ____ argument is used for sharing cookies across multiple servers in the same domain.

A) secure
B) domain
C) expires
D) path

Question 57

With a hidden form field you can only include the name and ____________________ attributes.

Question 58

To set the expire date of a persistent cookie, use PHP's ____ function and add to it an integer in seconds to specify when the cookie should be deleted.

A) date()
B) expire()
C) time()
D) day()

Question 59

A query string is a set of name=value pairs appended to the end of a ____________________.

Question 60

Omitting which of the following from the setcookie() function is equivalent creating a non-existent cookie?

A) name
B) value
C) expires
D) path

Question 61

____________________ are small pieces of information about a user that are stored by a Web server in text files on the user's computer.

Question 62

A cookie is of no use if you do not specify the _______________ argument.

Question 63

The ____________________ function converts special characters in a text string to their corresponding hexadecimal ASCII value.

Question 64

The ____________________ function is used to return the current date and time as a formatted string.

Question 65

In many programming languages, cookies cannot include special characters because they are transmitted between Web browsers and servers using ____________________.

Question 66

____________________ cookies remain available only for the current browser session.

Question 67

If a client's Web browser is configured to accept cookies, the session ID is assigned to a temporary cookie named ____________________.

Question 68

You use the ____________________ function to create cookies in PHP.

Question 69

The ____________________ argument determines the availability of a cookie to other Web pages on the server.

Question 70

A(n) ____________________ string consists of a single text string containing one or more pieces of information.

Question 71

You must call the ____________________ function whenever you need to work with sessions in a PHP script.

Question 72

You can use the ____________________ function to ensure that a cookie is set before you attempt to use it.

Question 73

Use PHP's ____________________ function to return the current time and add to it an integer in seconds to specify the time to delete the cookie.

Question 74

The term ____________________ refers to a period of activity when a PHP script stores state information on a Web server.

Question 75

To make a cookie available to all directories, use a(n) ____________________ to indicate the root directory.

Question 76

The ____________________ argument determines how long a cookie can remain on a client system before it is deleted.

Question 77

A(n) ____________________ is a random alphanumeric string generated by the session_start() function.

Question 78

To protect private data transferred across the Internet, Netscape developed _________________________ (SSL) to encrypt data and transfer it across a secure connection.

Question 79

The largest allowable cookie size is ____________________ kilobytes.

Question 80

Persistent ____________________ remain available beyond the current browser session.