MCQOPTIONS
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MCQOPTIONS
This section includes 176 Mcqs, each offering curated multiple-choice questions to sharpen your Python knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
MD5 stands for |
| A. | Multi Dimension Algorithm |
| B. | Message Digest Algorithm |
| C. | Message Division Algorithm |
| D. | None of them |
| Answer» C. Message Division Algorithm | |
| 102. |
Which function is used for escaping quotation marks, double quotation marks, backslashes and Nulls from a string? |
| A. | remove ( ) |
| B. | removeslash( ) |
| C. | addslashes ( ) |
| D. | None of them |
| Answer» D. None of them | |
| 103. |
Which function returns resulting string as its value? |
| A. | printf ( ) function |
| B. | scanf ( ) function |
| C. | sprintf ( ) function |
| D. | None of them |
| Answer» D. None of them | |
| 104. |
A sequence of characters that is treated as a unit is called |
| A. | Arrays |
| B. | Functions |
| C. | Methods |
| D. | Strings |
| Answer» E. | |
| 105. |
PHP removes ereg functions, and prefer using |
| A. | preg functions |
| B. | energ functions |
| C. | leven functions |
| D. | None of them |
| Answer» B. energ functions | |
| 106. |
MD5 algorithm is used to produce a |
| A. | Digest of a string |
| B. | Signature of a string |
| C. | Name of string |
| D. | Both a and b |
| Answer» E. | |
| 107. |
Function Strcmp ( ) is equals to |
| A. | Strposs ( ) |
| B. | Strrpos ( ) |
| C. | Stricmp ( ) |
| D. | Strcasecmp |
| Answer» E. | |
| 108. |
Strtupper ( ) function returns |
| A. | All uppercase string |
| B. | All lowercase string |
| C. | First letter capitalized |
| D. | None of them |
| Answer» B. All lowercase string | |
| 109. |
For creating pages that contain HTML forms and have multiline strings we can use |
| A. | Assignment concatenation syntax |
| B. | Heredoc syntax |
| C. | Concatenation syntax |
| D. | None of them |
| Answer» C. Concatenation syntax | |
| 110. |
Concatenating assignment operator is denoted by |
| A. | |
| B. | . |
| C. | ⋅= |
| D. | ⋅=⋅ |
| Answer» D. ⋅=⋅ | |
| 111. |
Which string type is interpreted as a number of sequences and automatically interpolates variable values? |
| A. | Single quoted string |
| B. | Doubly quoted string |
| C. | Numbered string |
| D. | Both a and b |
| Answer» C. Numbered string | |
| 112. |
Which PHP function treats a string as collection of characters rather than a sequence? |
| A. | strspn ( ) |
| B. | strcspn ( ) |
| C. | count_chars |
| D. | All of them |
| Answer» E. | |
| 113. |
Why a special character is used in beginning and end of string in Perl-compatible patterns? |
| A. | Because it indicates the beginning and end of the pattern |
| B. | Because it indicates that it?s a integer string |
| C. | Because it indicates the literal |
| D. | It indicates nothing |
| Answer» B. Because it indicates that it?s a integer string | |
| 114. |
Chop ( ), ltrim ( ) and trim functions are used for |
| A. | Slicing |
| B. | Dicing |
| C. | Cleaning up untidy strings |
| D. | Concatenation of strings |
| Answer» D. Concatenation of strings | |
| 115. |
Htmlspecialchars ( ) function takes a string as argument and returns string in which form, that has a special meaning in HTML |
| A. | Replaces a string with four characters |
| B. | Replaces a string in integers |
| C. | Replaces a string with quotation marks |
| D. | None of them |
| Answer» B. Replaces a string in integers | |
| 116. |
Which function is used to implement MD5 in PHP? |
| A. | md ( ) |
| B. | digest ( ) |
| C. | md5 ( ) |
| D. | digest_algo ( ) |
| Answer» D. digest_algo ( ) | |
| 117. |
When two strings are exactly equivalent Strcmp ( ) returns what? |
| A. | Returns a string |
| B. | Returns 0 |
| C. | Returns 1 |
| D. | Returns nothing |
| Answer» C. Returns 1 | |
| 118. |
In substring selection which function modifies a string? |
| A. | Strchar ( ) |
| B. | Slicing |
| C. | Dicing |
| D. | None of them |
| Answer» D. None of them | |
| 119. |
Regex defines a |
| A. | Style |
| B. | Function |
| C. | Regular expression |
| D. | Class |
| Answer» D. Class | |
| 120. |
Selecting a substring by numerical position is property of |
| A. | Strstr ( ) |
| B. | Substr ( ) |
| C. | str ( ) |
| D. | Strsub ( ) |
| Answer» E. | |
| 121. |
Dot ". " operator in strings are called as |
| A. | Assignment operator |
| B. | Concatenation operator |
| C. | Concatenating assignment operator |
| D. | Literal operator |
| Answer» C. Concatenating assignment operator | |
| 122. |
What does trailing means in replacement of functions? |
| A. | Replacing string from right hand side |
| B. | Replacing string from left hand side |
| C. | Replacing string from middle |
| D. | None of them |
| Answer» B. Replacing string from left hand side | |
| 123. |
Literal string specified in PHP code by |
| A. | Single quotation mark |
| B. | Double Quotation mark |
| C. | Single dollar sign |
| D. | Both a and b |
| Answer» E. | |
| 124. |
Which function is used for capitalizing first letter of a string? |
| A. | strtlower ( ) |
| B. | strtupper ( ) |
| C. | ucfirst ( ) |
| D. | lfirst ( ) |
| Answer» D. lfirst ( ) | |
| 125. |
Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ?i) folii) fooliii) fooooliv) fooooool |
| A. | Only i) |
| B. | ii) and iii) |
| C. | i), iii) and iv) |
| D. | i) and iv) |
| Answer» C. i), iii) and iv) | |
| 126. |
Say we have two compare two strings which of the following function/functions can you use?i) strcmp()ii) strcasecmp()iii) strspn()iv) strcspn() |
| A. | i) and ii) |
| B. | iii) and iv) |
| C. | None of the mentioned |
| D. | All of the mentioned |
| Answer» E. | |
| 127. |
For tokenizing a string which PHP function is used? |
| A. | ok ( ) |
| B. | strtok ( ) |
| C. | str ( ) |
| D. | start ( ) |
| Answer» C. str ( ) | |
| 128. |
A function that takes a filename as argument and returns a MD5 of that file |
| A. | md_file( ) |
| B. | md5 ( ) |
| C. | md5_file ( ) |
| D. | digest_file ( ) |
| Answer» D. digest_file ( ) | |
| 129. |
In addition to single and double quoted strings PHP offers another way to specify a string which is called as |
| A. | heredoc |
| B. | Concatenation |
| C. | Literals |
| D. | None of them |
| Answer» B. Concatenation | |
| 130. |
Returns a string arguments with trilling blank space removed, is a behavior of |
| A. | starts ( ) function |
| B. | chop ( ) function |
| C. | rtrim ( ) function |
| D. | Both b and c |
| Answer» E. | |
| 131. |
PHP offers printf ( ) and |
| A. | printh ( ) function |
| B. | sprintf ( ) function |
| C. | scanf ( ) function |
| D. | All of them |
| Answer» C. scanf ( ) function | |
| 132. |
Ltrim ( ) returns its string argument with |
| A. | Leading blankspace removed |
| B. | Trailing blankspace removed |
| C. | Numerical values |
| D. | None of them |
| Answer» B. Trailing blankspace removed | |
| 133. |
Returns a string argument with both leading and trailing whitespace removed, is a behavior of |
| A. | chop ( ) |
| B. | rtrim ( ) |
| C. | trim ( ) |
| D. | ltrim ( ) |
| Answer» D. ltrim ( ) | |
| 134. |
Which function is used for replacing whole string with an alternate string? |
| A. | Strstr ( ) |
| B. | Strrpos ( ) |
| C. | Str_replace ( ) |
| D. | Replace ( ) |
| Answer» D. Replace ( ) | |
| 135. |
Stristr ( ) is identical to Strstr ( ) except that |
| A. | The comparison is case independent |
| B. | The comparison start from middle |
| C. | The comparison is case sensitive |
| D. | None of them |
| Answer» B. The comparison start from middle | |
| 136. |
Which three functions has intimate relationship with each other? |
| A. | char ( ), str ( ), pos ( ) |
| B. | strchar ( ), strcpp ( ), char ( ) |
| C. | substr ( ), strstr ( ), strpos ( ) |
| D. | None of them |
| Answer» D. None of them | |
| 137. |
Ereg ( ) function is no more included in |
| A. | PHP1.0 |
| B. | PHP2 |
| C. | PHP5 |
| D. | PHP6 |
| Answer» E. | |
| 138. |
Which function takes a single string and returns its length as an integer? |
| A. | Strpos ( ) |
| B. | Strcmp ( ) |
| C. | strstr ( ) |
| D. | Strlen ( ) |
| Answer» E. | |
| 139. |
PHP has long supported two regular expression implementations known as _______ and _______i) Perlii) PEARiii) Pearliv) POSIX |
| A. | i) and ii) |
| B. | ii) and iv) |
| C. | i) and iv) |
| D. | ii) and iii) |
| Answer» D. ii) and iii) | |
| 140. |
Inverse function of explode ( ) is |
| A. | strtok ( ) |
| B. | str ( ) |
| C. | impose ( ) |
| D. | implode ( ) |
| Answer» E. | |
| 141. |
Which two functions are used for replacing a string with another string? |
| A. | Str_replace ( ) |
| B. | Substr_replace ( ) |
| C. | Replace ( ) |
| D. | Both a and b |
| Answer» E. | |
| 142. |
Strstr ( ) function selects a substring by its |
| A. | Numerical value |
| B. | Content |
| C. | Position |
| D. | None of them |
| Answer» C. Position | |
| 143. |
Operator that is used for heredoc syntax |
| A. | < > |
| B. | ?? |
| C. | [[ ]] |
| D. | <<< |
| Answer» E. | |
| 144. |
In Perl-compatible patterns any pattern that is followed by ? this means that |
| A. | Match this pattern 1 or more times |
| B. | Match this pattern exactly 1 time |
| C. | Match this pattern 0 times |
| D. | None of them |
| Answer» C. Match this pattern 0 times | |
| 145. |
Which function start its search from backward rather than from beginning? |
| A. | Strcmp ( ) |
| B. | Strstr ( ) |
| C. | Strpos ( ) |
| D. | All of them |
| Answer» D. All of them | |
| 146. |
How many operators PHP offer for strings? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 147. |
For finding out one string is equal to another string which function we can use? |
| A. | strpid ( ) |
| B. | strpos ( ) |
| C. | str ( ) |
| D. | All of them |
| Answer» C. str ( ) | |
| 148. |
All these characters in a string \, ?, *, \, &Hat, $, ] are escaped by |
| A. | remove ( ) function |
| B. | removechar ( ) |
| C. | addslashes ( ) |
| D. | quotemeta ( ) |
| Answer» E. | |
| 149. |
All these functions are preg_quote ( ), preg_grep ( ), preg_split ( ), preg_match_all ( ) example of |
| A. | POSIX style regex |
| B. | Competent style regex |
| C. | Perl compatible style regex |
| D. | None of them |
| Answer» D. None of them | |
| 150. |
In substring selection what's mean of Slicing? |
| A. | Concatenating |
| B. | Choosing a portion of a string |
| C. | Modifying a string |
| D. | Comparing a string |
| Answer» C. Modifying a string | |