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Building Secure Dynamic Web Applications Question Paper

Building Secure Dynamic Web Applications

Course:Diploma In Linux

Institution: Jaramogi Oginga Odinga University Of Science And Technology question papers

Exam Year:2013

JARAMOGI OGINGA ODINGA UNIVERSITY OF
SCENCE AND TECHNOLOGY
SCHOOL OF INFORMATICS AND INNOVATIVE SYSTEMS
DIPLOMA IN LINUX ENGINEERING
COURSE CODE: ICS 2211
COURSE TITLE- BUILDING SECURE DYNAMIC WEB APPLICATIONS
EXAMINATIONS 2012/2013
TIME 2HRS
INSTRUCTIONS:
This paper contains five (5) questions. Question ONE is
Compulsory and any other TWO questions

QUESTION ONE –COMPULSORY [30 MARKS]

a) List SIX most common SSL-related issue alerted by the web browser [6 Marks]

b) Using examples, clearly differentiate between following as used in PHP scripts and Web
Applications Development. [9 Marks]

i) OOP and Procedural Programming
ii) Self signed certificate and third party certificates
iii) Symmetric and Asymmetric cryptography

c) What do the following acronyms stand for in full? Highlight their importance in Web
Applications Programming: [10 Marks]

i) CGI
ii) HSTS
iii) PKI
iv) HTTPS
v) SSL/STL

d) Discuss FIVE operators you can use while writing computer programs [5 marks]

QUESTION TWO [20 MARKS]

a) Write a HTML script that simulates clients’ Registration Form. The client can enter their
Surname(s), Other Names, Gender, Usernames Password (and confirmation) and their
favourite show as indicated in the form below. [8 Marks]

Surname:
Other Name:
Gender: Male Female
Enter User Name:
Your Password:
Confirm Password:
How did you find out about us?
A Friend Print Media
Online TV
The data is sent to a php script accessible at registration.php.

b) Write a PHP/Perl script that displays show the number of clients per option [6 Marks]

c) Explain the difference between the static content and the dynamic content [4 Marks]

CLIENT REGISTRATION FORM
Submit Reset

QUESTION THREE [20 MARKS]

a) Design a simple mobile application that simulates how registered users can send money
via M-PESA to help in the recent Westgate terror attack. The application should send an
acknowledgement back to the sender with the contribution made. [10 Marks]

b) Explain how HSTS ensures extra security by protecting your website from attacks caused
by errors in applying the SSL [8 Marks]

c) Discuss the TWO ways of testing while developing online applications [2 marks]

QUESTION FOUR [20 MARKS]

a) Discuss the software development life cycle as used in software engineering [10 Marks]

b) Highlight any FOUR security issues that must be considered while developing web
applications [4 Marks]

c) Explain how cookies and sessions can compromise your website security [6 Marks]

QUESTION FIVE [20 MARKS]

a) Using an example, discuss the difference between a for loop and a while loop in web development [6 Marks]

b) Explain how you can use the SQL code in PHP to login to a MySQL database. Save the code in a file called datalogin.php [8 Marks]

c) Explain why htmlentities are a core aspect of online applications. Write the code snippetto implement the htmlentities for your online applications [6 marks]
END

Building Secure Dynamic Web Applications Question Paper

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