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Python | Django URLs
Question 1
Where are URL patterns in Django stored so that the framework knows how to route requests?
In views.py only
In a module defined by ROOT_URLCONF, typically urls.py
Hard-coded into each template
In settings.py under a list called urlpatterns
Question 2
What is the effect of using path('books/<int:pk>/', views.book_detail, name='book_detail') in a urls.py file?
It captures an integer value from the URL and passes it as pk to views.book_detail
It matches only URLs exactly named “books”
It creates a database table for books
It disables routing for “books” URLs
Question 3
What is the benefit of giving URL patterns a name= parameter in Django?
It automatically generates HTML for the view
It allows reverse URL lookup in templates and code without hard-coding the path
It prevents users from accessing the URL directly
It defines the HTTP method allowed for the view
Question 4
Which Django function should be used if a complex regular-expression-based URL pattern is required instead of the simpler path()?
url()
complex_path()
re_path()
fancy_path()
Question 5
When a request arrives, how does Django’s URL dispatcher decide which view to call?
It randomly picks a view
It uses the view name to search for a pattern
It requires the client to specify the view explicitly
It checks URL patterns in the order defined and calls the view tied to the first match
Question 6
What does URLField() do to input like 'example.com'?
Accepts it always.
Shortens it automatically.
Converts to slug.
Checks for http:// or https://, errors otherwise.
Question 7
In a URL shortener, why use a short slug like 'abc123' for long URLs?
For easy sharing, like tinyurl.com/abc123.
To save database space only.
To encrypt the original URL.
To add images.
Question 8
In a view, how to make a random 6-char slug with letters and numbers?
Use hash(original_url)[:6].
datetime.now() string.
len(original_url) for length.
''.join(random.choices('abc123def456', k=6)).
Question 9
If reverse('missing') errors with NoReverseMatch, what's likely wrong?
View function not defined.
Database not migrated.
No name='missing' in any path.
Server not running.
Question 10
An ImproperlyConfigured from ROOT_URLCONF points to wrong module; what fix in settings.py, and why restart server after?
Set ROOT_URLCONF = 'project.urls'; restart clears cache for new patterns.
Set ROOT_URLCONF = 'app.urls'; no restart, as configs load dynamically.
Add to INSTALLED_APPS; restart for view imports only.
Run makemigrations; restart for DB sync.
There are 10 questions to complete.