Entrance exam for PBA in Web Development

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1 Entrance exam for PBA in Web Development Fill out your personal details below. Full name: CPR-number: address: 1

2 PART I: Overall knowledge In this test you will find 35 questions covering different areas in web development. Outside each question there are 2-3 possible answers, please circle the right answer or answers. 1. The first item in an array may be item zero. 2. Parameters/arguments are always optional. 3. Parameters/arguments may always be given in any order. 4. Strings are always indicated by parentheses. 5. What occurs at the local level is always relevant at the global level. 6. A string can always be understood as an integer. 7. An integer can always be understood as a string. 8. An array must never be empty. 9. A variable exists forever. 2

3. Parameters/arguments may always be given in any order. 4. Strings are always indicated by parentheses. 5.

3 10. A variable exists everywhere. 11. You need to insert an image that supports transparency. Which file format do you choose? 12. A webserver runs on which default port? PDF PNG JPEG Java is a simplified form of JavaScript. 14. ASP is a kind of Python. 15. HTML markup attributes are always optional. 16. XML is best described as: An extra markup language An extensible markup language An extraordinary markup language 17. PHP always runs on the client. 18. Ajax is best described as: A HTML cleanup tool A paradigm for web design A hero of internet development 19. W3C is mostly interested in standardizing the web. 20. Error messages are meant to be: Annoying Informative Avoidable 21. A 'for' loop is: Made for the client Made for the server Made to iterate 22. FTP is designed for: Uploading Downloading Manipulating remote file systems 3

XML is best described as: An extra markup language An extensible markup language An extraordinary markup language 17. PHP always runs on the client. 18.

4 23. Apache is similar to: IIS Apple apt-get 24. Which one of these is not a scripting language? PHP C# HTML 25. Which one of these is not a markup language? XML HTML UML 26. Which one of these is not a HTML rendering engine? Webkit Gecko Linux 27. A MIME type is: A silent video file A type of data A key press 28. A doctype is usually used for: Validation Presentation Updates 4

Which one of these is not a HTML rendering engine? Webkit Gecko Linux 27.

5 The following five questions would require a little more writing. 29. For each of the following pieces of data, which variable type would you use, and which should be represented by constants? Your age in years The speed of light in meters per second The number of widgets in your warehouse The amount of money in your bank account The text of the U.S. Declaration of Independence 5

6 30. What animal will be traced? Please comment your suggestion. var pets = New Array("cat", "dog", "goldfish"); //trace prints a message in IDE output console trace(pets[1]); 31. What might happen if this loop was executed given the pets Array from question 30? for(var i=0; i==pets.length; i++){ //trace prints a message in IDE output console trace(pets[i] + ", "); } 6

7 32. What would you change to get this trace message "cat, dog, goldfish." Notice commas and dot. 7

8 33. You have a registration form on a webpage, which you want to submit. Would you choose HTTP GET or HTTP POST for this task? Why would you choose one over the other? 8

9 34. When browsing a web page, what effect would executing the following javascript have? var divs = document.getelementsbytagname( div ); for (i = 0; i < divs.length; i++) { divs[i].style.display = none ; } 9

10 35. Is it possible for the server to know which browser type (IE, Firefox etc.) is requesting a given url? What specific information would we look for in the http traffic between server and client to establish the identity of the requesting browser? 10

What specific information would we look for in the http

11 36. How would you validate your html? 37. Can you identify inline and external javascript in the following code? Mark which is which. <html> <head> <script type="text/javascript" src= mylibary.js"></script> </head> <body> <h1>the Hello application</h1> <p>code will be executed here</p> <script type="text/javascript"> document.write( Hello there! ); </script> </body> </html> 11

<html> <head> <script type="text/javascript" src= mylibary.

12 PART II: Understanding code In this test you will be faced with three problems/tasks when it comes to read and understand code (CSS, HTML, XHTML) 01: Be the Browser - CSS If you have errors in your CSS, usually what happens is all the rules below the error are ignored. So, get in the habit of looking for errors now, by doing this exercise. Below, you ll find the CSS file style. css, with some errors in it. Your job is to play like you re the browser and locate all the errors. Circle and comment the errors. <style> body { background-color: white h1, { gray; font-family: sans-serif; } h2, p { color: } <em> { font-style: italic; } </style> 12

So, get in the habit of looking for errors now, by doing this exercise. Below, you ll find the CSS file style. css, with some errors in it.

13 02: Be the Browser - tags Below, you ll find an HTML file with some mismatched tags in it. Your job is to play like you re the browser and locate all the errors. Circle and comment the errors. <html> <head> <title>top 100</title> <body> <h1>top 100 <h2>dark Side of the Moon</h2> <h3>pink Floyd</h3> <p> There s no dark side of the moon; matter of fact <q>it s all dark. </p></q> <ul> <li>speak to Me / Breathe</li> <li>on The Run</li> <li>time</li> <li>the Great Gig in The Sky</li> <li>money</li> <li>us And Them</em> <li>any Colour You Like</li> <li>brain Damage</li> <li>eclipse</li> </ul> </p> <h2>xandy</h3> <h3>coldplay</h2> <ol> <li>square One <li>what If? <li>white Shadows <li>fix You <li>talk <li>xandy <li>speed of Sound <li>a Message <li>low <li>hardest Part <li>swallowed In The Sea <li>twisted Logic </ul> </body> </head> 13

</p></q> <ul> <li>speak to Me / Breathe</li> <li>on The Run</li> <li>time</li> <li>the Great Gig in The Sky</li> <li>money</li> <li>us And Them</em> <li>any Colour You Like</li> <li>brain Damage</li>

14 03: Be the Browser - XHTML Below, you ll find the XHTML for a table. Your job is to play like you re the browser displaying the table. Draw the table and its values. <table> <tr> <th>artist</th> <th>album</th> </tr> <tr> <td>enigma</td> <td>le Roi Est Mort, Vive Le Roi!</td> </tr> <tr> <td>ltj Bukem</td> <td>progression Sessions 6</td> </tr> <tr> <td>timo Maas</td> <td>pictures</td> </tr> </table> 14

<table> <tr> <th>artist</th> <th>album</th> </tr> <tr> <td>enigma</td> <td>le Roi Est Mort, Vive Le

Web Development. Owen Sacco. ICS2205/ICS2230 Web Intelligence

Web Development. Owen Sacco. ICS2205/ICS2230 Web Intelligence Web Development Owen Sacco ICS2205/ICS2230 Web Intelligence Introduction Client-Side scripting involves using programming technologies to build web pages and applications that are run on the client (i.e.