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.
| 151. |
Which among the following is/are not a metacharacter?i) \aii) \Aiii) \biv) \B |
| A. | Only i) |
| B. | i) and iii) |
| C. | ii), iii) and iv) |
| D. | ii) and iv) |
| Answer» B. i) and iii) | |
| 152. |
Concatenating operator is used for |
| A. | Combining two strings |
| B. | Comparing two strings |
| C. | Arrays concatenation |
| D. | None of them |
| Answer» B. Comparing two strings | |
| 153. |
Which syntax is very useful for specifying large chunks of interpolated variable text? |
| A. | Single quoted strings |
| B. | Double quoted strings |
| C. | Heredoc syntax |
| D. | Concatenation syntax |
| Answer» D. Concatenation syntax | |
| 154. |
Which statement is correct for specifying a string in code? |
| A. | $my_string = ' A literal string'; |
| B. | $my_string = ' A literal string"; |
| C. | #my_string = ' A literal string'; |
| D. | Both a and b |
| Answer» E. | |
| 155. |
Replacing string from left hand side is known as |
| A. | Slicing |
| B. | Dicing |
| C. | Trailing |
| D. | Leading |
| Answer» E. | |
| 156. |
A function that capitalizes first letter of each word in a string, is a |
| A. | strtupper ( ) function |
| B. | strword ( ) function |
| C. | unwords ( ) function |
| D. | ucfirst ( ) function |
| Answer» D. ucfirst ( ) function | |
| 157. |
By using special wildcards for matching a string which function is used? |
| A. | Strtok |
| B. | Tokenizing |
| C. | Delimiter |
| D. | Regex |
| Answer» E. | |
| 158. |
There are how many types of classes for regular expressions? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 159. |
Which function is used to take a string as argument and returns a string that is stripped of all HTML and PHP tags? |
| A. | nl2br ( ) |
| B. | strip ( ) |
| C. | strip_tags ( ) |
| D. | All of them |
| Answer» D. All of them | |
| 160. |
What is meaning of "." in POSIX style regex? |
| A. | Matches any character of a string |
| B. | Matches the beginning of a string |
| C. | Matches the end of a string |
| D. | None of them |
| Answer» B. Matches the beginning of a string | |
| 161. |
By first constructing a message string and then shipping it off to receiving program, is a way of communication between PHP and |
| A. | Database servers |
| B. | LDAP servers |
| C. | Sockets |
| D. | All of them |
| Answer» E. | |
| 162. |
MD5 is not secure to store passwords because |
| A. | Its produces output in hexadecimal values |
| B. | It produces the same output string as given input string |
| C. | It produces Boolean results |
| D. | None of them |
| Answer» C. It produces Boolean results | |
| 163. |
POSIX regular expression function ereg_replace ( ) takes |
| A. | 1 argument |
| B. | 2 arguments |
| C. | 3 arguments |
| D. | 4 arguments |
| Answer» D. 4 arguments | |
| 164. |
What is the output of the following? |
| A. | (‘we’, ‘are’, ‘humans’) |
| B. | (we, are, humans) |
| C. | (‘we’, ‘humans’) |
| D. | ‘we are humans’ |
| Answer» B. (we, are, humans) | |
| 165. |
Output of Md5 is |
| A. | 8 octal digest characters |
| B. | 32 hexa digest characters |
| C. | 2 binary digest characters |
| D. | None of them |
| Answer» C. 2 binary digest characters | |
| 166. |
Which of them is a HTML specific string function? |
| A. | htmlentities ( ) |
| B. | nl2br ( ) |
| C. | strip_tags ( ) |
| D. | All of them |
| Answer» E. | |
| 167. |
Some characteristics of MD5 is |
| A. | Check summing a message |
| B. | Detecting if a file's contents have changed |
| C. | Splitting strings or files into dispersed sets |
| D. | All of them |
| Answer» E. | |
| 168. |
Strspn ( ) and strcspn ( ) functions takes 2 srtring arguments while count_chars ( ) takes |
| A. | 1 argument |
| B. | 2 arguments |
| C. | 3 arguments |
| D. | 4 arguments |
| Answer» B. 2 arguments | |
| 169. |
Perl-compatible regex patterns are always ended by one particular character, which must be? |
| A. | Same as beginning and end |
| B. | Same at middle and end |
| C. | Different from beginning |
| D. | None of them |
| Answer» B. Same at middle and end | |
| 170. |
MD5 takes input string and makes it down into a fixed length string of |
| A. | 32 hexadecimal values |
| B. | 8 octal values |
| C. | 2 binary values |
| D. | None of them |
| Answer» B. 8 octal values | |
| 171. |
If errors occurs during transfer of file, you can use |
| A. | MD5 digest along with message |
| B. | nl2br along with message |
| C. | strip_tags along with message |
| D. | None of them |
| Answer» B. nl2br along with message | |
| 172. |
Which function from following is not included in PHP6? |
| A. | ereg ( ) |
| B. | ereg_replace ( ) |
| C. | eregi ( ) |
| D. | All of them |
| Answer» E. | |
| 173. |
POSIX regex and PERL compatible regex, both are example of |
| A. | Tokenizing |
| B. | Delimitering |
| C. | Regular expressions |
| D. | None of them |
| Answer» D. None of them | |
| 174. |
A function that takes two strings and returns a string that is similar in spelling of other |
| A. | count_chars ( ) |
| B. | strspon ( ) |
| C. | levenshtein ( ) |
| D. | All of them |
| Answer» D. All of them | |
| 175. |
‘XXXXAA, 4’$ |
| A. | (‘AAAAAA’, 4) |
| B. | (‘XXXXAA’, 4) |
| C. | ‘AAAAAA, 4’ |
| Answer» C. ‚Äö√Ñ√∂‚àö√ë‚àö‚â§AAAAAA, 4‚Äö√Ñ√∂‚àö√ë‚àö¬• | |
| 176. |
[‘M a t h s i s a d i f f i c u l t s u b j e c t’]$ |
| A. | [‘Maths’, ‘is’, ‘a’, ‘difficult’, ‘subject’] |
| B. | ‘Maths is a difficult subject’ |
| C. | [‘M’, ‘a’, ‘t’, ‘hs is a difficult subject’] |
| Answer» C. [‚Äö√Ñ√∂‚àö√ë‚àö‚â§M‚Äö√Ñ√∂‚àö√ë‚àö¬•, ‚Äö√Ñ√∂‚àö√ë‚àö‚â§a‚Äö√Ñ√∂‚àö√ë‚àö¬•, ‚Äö√Ñ√∂‚àö√ë‚àö‚â§t‚Äö√Ñ√∂‚àö√ë‚àö¬•, ‚Äö√Ñ√∂‚àö√ë‚àö‚â§hs is a difficult subject‚Äö√Ñ√∂‚àö√ë‚àö¬•] | |