Get All Weeks Building Web Applications in Django Coursera Quiz Answers
Table of Contents
Week 01: Building Web Applications in Django Coursera Quiz Answers
Quiz 1: Django Tutorial Part 2
Q1. These questions come from the Django project tutorial materials.
What is the default database backend for Django projects when they are first set up?
[expand title=View Answer] sqlite3[/expand]
Q2. What file contains the list of INSTALLED_APPS in a Django project?
[expand title=View Answer] settings.py[/expand]
Q3. What does the “python manage.py migrate” command do?
[expand title=View Answer] Builds/updates the database structure for the project [/expand]
Q4. What is the purpose of the models.py file?
[expand title=View Answer] To define the shape of the data objects to be stored in a database[/expand]
Q5. What does the “sqlmigrate” option accomplish in a Django application?
[expand title=View Answer]It lets you see the SQL that will run to effect a migration [/expand]
Q6. What does the str method in a Django model accomplish?
[expand title=View Answer] It lets you specify how an instance of the model will be represented as a string [/expand]
Q7. What is the difference between the Django shell and a normal interactive Python shell?
[expand title=View Answer] The Django shell loads all of the project objects before starting [/expand]
Q8. What is the Django command to create a user/password for the admin user interface?
[expand title=View Answer] createsuperuser [/expand]
Q9. What file in a Django application do you edit to make sure a model appears in the admin interface?
[expand title=View Answer]admin.py [/expand]
Quiz 2: Model View Controller
Q1. Which of these might you find in the View of a Django MVC application?
[expand title=View Answer]
1.HTML
2.Python
[/expand]
Q2. Which of these might you find in the Model of a Django MVC application?
[expand title=View Answer]
1.SQL
2.Python
[/expand]
Q3. Which of these might you find in the Controller of a Django MVC application?
[expand title=View Answer] Python[/expand]
Q4. Which of the following is typically the first task when handing an incoming HTTP request in web server code?
[expand title=View Answer]Retrieve any needed data for the View[/expand]
Q5. Which of the following files does Django consult first when it receives an incoming HTTP Request?
[expand title=View Answer]urls.py [/expand]
Q6. Which of the following files in a Django application most closely captures the notion of “View”?
[expand title=View Answer] views.py [/expand]
Q7. Which file represents the “Controller” aspect of a Django application?
[expand title=View Answer]
1.forms.py
2.views.py
[/expand]
Week 2: Building Web Applications in Django Coursera Quiz Answers
Quiz 1: Templates and Views
Q1. What does the built-in Django template tag “lorem” do?
[expand title=View Answer]Displays random “lorem ipsum” Latin text [/expand]
Q2. What does the built-in Django template tag “spaceless” do?
[expand title=View Answer] Removes whitespace between HTML tags [/expand]
Q3. What does the built-in Django template tag “url” do?
[expand title=View Answer] Returns an absolute path reference matching a given view and optional parameters[/expand]
Q4. What built-in Django template filter capitalizes the first character of the value?
[expand title=View Answer] capfirst [/expand]
Q5. What does the built-in Django template filter “length” do?
[expand title=View Answer] Returns the length of a list but not the length of a string [/expand]
Q6. What does the built-in Django template filter “safe” do?
[expand title=View Answer] Marks a string as not requiring further HTML escaping prior to output [/expand]
Q7. Looking at the Django built-in template and filter documentation, the author seems to have a pet named “Joel”. What kind of animal is their pet?
[expand title=View Answer] A bearded gecko [/expand]
Q8. What does the Django built-in template tag forloop.counter represent in a Django template?
[expand title=View Answer] The current iteration of the loop (1-indexed) [/expand]
Quiz 2: Tutorial 3
Q1. These questions come from the Django project tutorial materials.
When do you see a path with the following pattern in urls.py, path(‘/’, views. detail, name=’detail’),
where in the code does the question_id value parsed from the URL end up?
[expand title=View Answer] As an additional parameter to the detail() view [/expand]
Q2. What kind of data is passed into a view in the ‘request’ object?
[expand title=View Answer]Information about the incoming HTTP request from the browser[/expand]
Q3. Which of the following SQL commands will be run by the Question.objects.values() statement in a view function?
[expand title=View Answer] SELECT[/expand]
Q4. How do you indicate that a particular question cannot be found in a detail view?
[expand title=View Answer] Raise an Http404 exception[/expand]
Q5. How do you retrieve only the first five objects in a table using a Django model query?
[expand title=View Answer] Add [:5] to the end of the model query [/expand]
Q6. In Django, why do we add an extra folder (i.e., namespace) our templates?
[expand title=View Answer] To make sure there is not a conflict with a template of the same name in a different application [/expand]
Q7. What is the difference between a list view and detail view?
[expand title=View Answer] A list view shows multiple items and a detail view shows only one item [/expand]
Q8. What is a “404” error?
[expand title=View Answer] It tells a browser that it did not get the page it was looking for [/expand]
Q9. In Django, what is the default language used in HMTL template files?
[expand title=View Answer] DTL – Django Templating language [/expand]
Q10. If the “get_object_or_404()” helper function finds the requested item, it returns the item. What happens if it cannot return the item?
[expand title=View Answer]It raises an Http404 exception [/expand]
Q11. Why do we name space URL names using the “app_name” variable in the urls.py file?
[expand title=View Answer]In case we have multiple applications with the same named path[/expand]
Week 3: Building Web Applications in Django Coursera Quiz Answers
Quiz 1: Object-Oriented Python
Q1. Which came first, the instance or the class?
[expand title=View Answer]class [/expand]
Q2. In Object Oriented Programming, what is another name for the attributes of an object?
[expand title=View Answer] fields [/expand]
Q3. Which of the following is NOT a good synonym for “class” in Python?
[expand title=View Answer] direction [/expand]
Q4. What does this Python statement do if PartyAnimal is a class?
[expand title=View Answer] Use the PartyAnimal template to make a new object and assign it to zap [/expand]
zap = PartyAnimal()Q5. What is the syntax to look up the fullname attribute in an object stored in the variable colleen?
[expand title=View Answer] colleen.fullname [/expand]
Q6. Which of the following statements are used to indicate that class A will inherit all the features of class B?
[expand title=View Answer] class A(B): [/expand]
Q7. What is “self” typically used for in a Python method within a class?
[expand title=View Answer] To refer to the instance in which the method is being called [/expand]
Q8. What does the Python dir() function show when we pass an object into it as a parameter?
[expand title=View Answer] It shows the methods and attributes of an object [/expand]
Q9. Which of the following is rarely used in Object Oriented Programming?
[expand title=View Answer] Destructor [/expand]
Quiz 2: Generic Views
Q1. In the class django.views.generic.list.ListView, which of the following methods is called earliest in the process?
[expand title=View Answer]get_queryset()[/expand]
Q2. In the class django.views.generic.list.ListView, which of the following methods is called latest in the process?
[expand title=View Answer] render_to_response() [/expand]
Q3. In the class django.views.generic.detail.DetailView, which of the following methods is called earliest in the process?
[expand title=View Answer] get_queryset() [/expand]
Q4. In the class django.views.generic.detail.DetailView, which of the following methods is called latest in the process?
[expand title=View Answer] render_to_response()[/expand]
Q5. By convention when using an app_name of “abc” and a model of “Dog”, if you use a View that extends django.views.generic.detail.DetailView, what is the file name that will be used for the template?
[expand title=View Answer]templates/abc/dog_detail.html [/expand]
Q6. If you want to override the template name chosen by convention in a View that extends django.views.generic.detail.DetailView, what is the name of the class attribute variable that you use?
[expand title=View Answer]template_name[/expand]
Q7. By convention when using an app_name of “abc” and a model of “Dog”, if you use a View that extends django.views.generic.list.ListView, what is the name of the context variable that will include all the Dog objects in the template when it is being rendered?
[expand title=View Answer] dog_list [/expand]
Q8. For the following line in a views.py file
[expand title=View Answer] The class that is being created [/expand]
class ArticleListView(ListView):what is the best description of “ListView”?
Q9. For the following line in a views.py file
[expand title=View Answer] The class that is being created [/expand]
class ArticleListView(ListView):what is the best description of “ArticleListView”?
Q10. For the following line in a urls.py file
[expand title=View Answer] In the Django source [/expand]
urlpatterns = [
path('', TemplateView.as_view(template_name='gview/main.html'))
where would you find the actual code for TemplateView?Week 4: Building Web Applications in Django Coursera Quiz Answers
Quiz 1: Tutorial 4
Q1. These questions come from the Django project tutorial materials.
What is stored in the variable request.POST?
[expand title=View Answer] A dictionary-like object that lets you access submitted POST data [/expand]
Q2. What does the django.urls.reverse() function do?
[expand title=View Answer] It constructs the path to a view using the name of a path entry in urls.py[/expand]
Q3. What happens if you access a detail view like results() in Django tutorial 4 and provide a key that does not exist on the URL?
[expand title=View Answer] You get a 404 [/expand]
Q4. In the polls/templates/polls/detail.html file in Django tutorial 4, what happens if you leave out the csrf_token line in the form?
[expand title=View Answer] The POST data will be blocked by the server [/expand]
Q5. In the polls/templates/polls/detail.html file in Django tutorial 4, which bit of code tells the view that will receive the POST data which question to associate this vote with?
[expand title=View Answer] url ‘polls:vote’ question.id[/expand]
Q6. Which HTTP method is used when sending data to the server that will modify or update data?
[expand title=View Answer] POST [/expand]
Q7. What does the Django template filter “pluralize” do?
[expand title=View Answer] It emits an ‘s’ if the value is > 1 [/expand]
Quiz 2: Forms and HTML
Q1. Which of the following HTTP methods adds form data to the URL after a question mark?
[expand title=View Answer] GET [/expand]
Q2. Which of the following HTTP methods is recommended for sending data to the server that will modify a model?
[expand title=View Answer] POST [/expand]
Q3. Which of the following Python types is most like the request.POST data in Django?
[expand title=View Answer] dictionary [/expand]
Q4. How does the browser send form data to the server when sending a POST request?
[expand title=View Answer]Using the socket after the request headers have been sent [/expand]
Q5. When using the password field type in HTML, the data is encrypted before it is sent to the server.
[expand title=View Answer] True [/expand]
Q6. There is no way the end user can see the actual data stored in a password form field.
[expand title=View Answer] True [/expand]
Q7. How do radio buttons in HTML associate with each other?
[expand title=View Answer] They use the same name parameter [/expand]
Q8. What HTTP response code is sent to a browser when a missing or incorrect CSRF value is detected by Django?
[expand title=View Answer] 403 [/expand]
Q9. What HTTP code is sent to the browser to redirect it to another page?
[expand title=View Answer] 302[/expand]
Q10. Why do we consider the POST-Redirect-GET pattern best practice?
[expand title=View Answer] To avoid triggering the browser double-post popup[/expand]
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