Question 1 (3.5 Marks)

Three-tier (or Three-layer) architecture is widely used in web information system development

1.1 Write down the name of each tier and its main functionality. (1.5 Marks)

1.2 Compared to the traditional one-layer architecture, what are the major advantages of

Three-tier architecture? Please give the explanations from two aspects.   (2 Marks)

Question 2 (2 Marks)

Which strategy was applied for the client-side design in your group project, a thin client or a fat client? Provide the justification on why this design is suitable for your project.

Question 3:  Internet Protocol Suite (4.5 Marks)

3.1  The  TCP/IP  protocol  architectural  model  has  four  abstraction  layers,  where  Link

Layer is the bottom one. Write down the names of the other three layers in a top-down order. (1.5 Marks)

3.2  Provide the  full names  of the  following protocols  and  indicate which  layers  they

belong to. (3 Marks)

Question 4:  Cloud Computing (3 Marks)

4.1 Briefly explain the Cloud Computing Paradigm and list its main characteristics. (2 Marks)

4.2 List two major limitations of Cloud Computing. (1 Mark)

Question 5:  Mobile Application Development (3 Marks)

5.1 Briefly explain what a native application is and what a hybrid application is in mobile application development. ( 1 Mark)

5.2 Comparing native and hybrid mobile application development, which one is better or they both have advantages and limitations? Give your opinion with justifications.

(2 Marks)

Question 6:  XML and JSON (4 Marks)

6.1 Assume there are two files, an XML file “course.xml” and a DTD file “course.dtd” , in the same directory.

course.dtd

course.xml

Please determine whether “course.xml” is a valid XML document. If it is invalid, please explain why and correct the error(s) to represent the same content in a valid way. (1.5 Marks)

6.2 Given an XML document “cinema.xml”, answer the following questions. (2.5 Marks)

cinema.xml

6.2.1 Write the corresponding JSON object of “cinema.xml” in JavaScript.

var cinema =

6.2.2 Write a JavaScript statement to access the second “movie” element stored in the JSON object “cinema” that is created in Question 6.2.1 and assign the value of its element “year” to a variable “y” .

var y =

Question 7:  PHP Programming (11 Marks)

7.1 Multiple file uploading (4 Marks)

The  following  two  scripts “upload_multi.html”  and  “multi_file_uploading.php”  allow users to select multiple files from the local disk to the folder “/upload” on the server. Complete the code below by filling in the blanks (write down your answers on next page).

upload_multi.html

multi_file_uploading.php

Note: you can onlyfill in one statementfor one blank.

upload_multi.html

①

②

③

④

⑤

multi_file_uploading.php

①

②

③

7.2 AJAX and MySQL (7 Marks)

Assume that the following table “Restaurant” is created with a number of restaurant          records, where each record is associated with four attributes, including ResName, Address, Est, and Category. You are required to complete the scripts below to perform a  dynamic restaurant search by using AJAX. Certain information of selected restaurants is  expected to be displayed on the Web page after clicking the “search” button, as illustrated by Search_Example_ 1 and Search_Example_2. Write down your answers on Page 15.

Restaurant

Search_Example_ 1