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TIE-23500 Web-ohjelmointi - 02.03.2017 (Exam, Ihantola)
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Original examTIE-23500 / TIE-23506 Web Software Development : Exam
Date: 2.3.2017
Examiner: Petri Ihantola
e All answers should easily fit on a single answer sheet.
e Write on each paper your name and your student number
e Noadditional materials, calculators etc. allowed.
HTML & CSS
1:
HTTP
3)
4)
What is the key difference between div and span elements? (max 2 sentences)
(1 point)
What does the following CSS style definition make italic? (Max 1 sentence) (1 point)
Piti
font-style: italic;
)
When some web page is browsed for the first time, we get a HTTP response code
200 OK for most of the items the browser loads. The next time some items return a
response code 304 Not Modified. What is going on (1 point) and how does it work (1
point) ?
(max 2 sentences, 2 points)
Consider the URL https://www.example.com/foobar?g=banana&id=561 Explain
briefly what are the following parts of the URL (2 points)
a) https://
b) www.example.com
c) /foobar
d) ?g=banana&id=561
JavaScript & jauery
5) The following JavaScript code is executed. What (if anything) is printed
in the console? (2 points)
A
var foo = function () £
var i = 0; -
L
return function () £
console.log(i) O 3]
20i+t+;
po
305
fool);
foo();
6) Look at the code below. What happens when you click the link (2 points)
<!doctype html>
<html>
<head>
<title>Demo</title>
</head>
<body>
<a href="http://jauery.com/">jOuery</a>
<script src="jguery.js"></script>
<script>
$( document ).ready(function() £
$( "a" ).click(function( event ) £
alert( "Hello" );
D;
Ds
</script>
</body>
</html>
APIs
7) You see a client sending the following reguests to a REST API at example.com.
Explain what you assume each reguest to do. (one sentence per reguest, 3 points)
a. GET http://www.example.com/customers/12345
b. GET http:/www.example.com/customers/12345/orders
c. POST http:/www.example.com/customers/12345/orders
Sessions & Security
8) Mallory is writing a blog post on a blogging service where she wrote the following as
a title for the post. The beginnings of the texts she wrote are shown below. What is
she trying to do in the two cases? Explain briefly. (2 points, 1 for each)
a) GIasTAMIIe ..... rest of the text not shown ....
[MCat'); INSERT INTOIIN rest of the text not shown ....
Django
9) (total 4 points)
The following snippets are a Django view and the corresponding urls.py. The service
hosts private photo albums for a number of users.
Blogin reguired(login url="/login/')
def del page(reguest, album, page num):
page = Page.objects.get object or 404(album=album,number=page num)
page.delete()
return HttpResponseRedirect("/albums/")
urlpatterns = [
url (r'*delete/(?P<album>|w+) / (?P<page num>[0-9](2))$', views.del page),
+. sotherturlsi..
UK W N H
(3 points) Briefly explain 3 different scenarios that can what happen when a user
visits the URL: http://someserver.com/delete/vacation/42
Use the line numbers if necessary.
(1 point) There is an authorization problem in the code. What is it? (Max 2
sentences.)