Advanced Web Programming Practice Questions

1. What happens if you add a string to an integer using the + operator?

A. The interpreter outputs a type mismatch error 
B. The string is converted to a number and added to the integer 
C. The string is discarded and the integer is preserved 
D. The integer and string are concatenated together in a new string 

2. The ___________ function can be used to compare two strings using a case-insensitive binary algorithm

A. stristr() 
B. strcmp() 
C. stricmp() 
D. strcasecmp() 

3. Which of the following functions can be used to convert the binary data stored in a string into its hexadecimal representation?

A. encode_hex() 
B. pack() 
C. hex2bin() 
D. printf() 

4. Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays). Of course, these key methods can be combined as well

A. Integer, string 
B. Float, string 
C. String, Boolean 
D. Positive number, negative number 

5. Which of the following functions do not return a timestamp?

A. time() 
B. date() 
C. strtotime() 
D. localtime() 

6. XML uses feature of

A. HTML 
B. XHTML 
C. VML 
D. SGML 

7. What is the default namespace

A. the namespace used by default when no namespace is declared 
B. the namespace used when two or more namespaces are referenced 
C. The namespace that is referenced with the xmlns attribute,but without a prefix 
D. none of the above 

8. Valid XML document means (most appropriate)

A. the document has root element 
B. the document contain at least one or more root element 
C. the XML document has DTD associated with it and it complies with that DTD 
D. Each element must nest inside any enclosing element property 

9. what are the predefined attributes

A. xml:lang 
B. xml:space 
C. both 
D. none 

10. XML Document can be viewed in

A. IE 3.0 
B. IE 2.0 
C. IE 6.0 
D. IE x.0 

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