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Test your basic knowledge |
Django Middleware
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 21 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Enables language selection based on data from the request. It customizes content for each user. See the internationalization documentation.
Locale
Session
process_template_response(self, request, response)
View metadata
2. Dictionary - Attribute - Method calls - ListIndex - It uses the first one to work using a short circuit method.
process_exception(self, request, exception)
python manage.py runserver
Transaction
Django dot look ups
3. This is called just before Django calls the view. It should return either None or an HttpResponse object. If it returns None, Django will continue processing this request, executing any other such middleware and, then, the appropriate view. If it ret
process_view(self, request, view_func, view_args, view_kwargs)
process_request(self, request)
process_template_response(self, request, response)
CSRF protection
4. Sends custom X-View HTTP headers to HEAD requests that come from IP addresses defined in the INTERNAL_IPS setting. This is used by Django's automatic documentation system.
Conditional GET
View metadata
Common
Cache
5. Compresses content for browsers that understand gzip compression (all modern browsers).
process_response(self, request, response)
CSRF protection
Template tags
GZIP
6. To start the server
python manage.py runserver
Conditional GET
Cache
Transaction
7. Enables cookie- and session-based message support.
GZIP
Cache
Message
Transaction
8. This must return an SimpleTemplateResponse (or its subclass) object. It could alter the given response by changing response.template_name and response.context_data, or it could create and return a brand-new SimpleTemplateResponse (or its subclass) in
process_view(self, request, view_func, view_args, view_kwargs)
Django dot look ups
process_template_response(self, request, response)
Common
9. Adds the user attribute - representing the currently-logged-in user - to every incoming HttpRequest object. See Authentication in Web requests.
View metadata
process_request(self, request)
CSRF protection
Authentication
10. Handles conditional GET operations. If the response has a ETag or Last-Modified header - and the request has If-None-Match or If-Modified-Since - the response is replaced by an HttpNotModified.
Conditional GET
Transaction
Message
Template
11. Adds protection against Cross Site Request Forgeries by adding hidden form fields to POST forms and checking requests for the correct value.
Message
python manage.py runserver
Transaction
CSRF protection
12. During the request phases (process_request() and process_view() middleware), Django applies middleware in the order it's defined in MIDDLEWARE_CLASSES, top-down. During the response phases (process_response() and process_exception() middleware), the
middleware processing sequence
CSRF protection
Django dot look ups
Template
13. Enable the site-wide cache. If these are enabled - each Django-powered page will be cached for as long as the CACHE_MIDDLEWARE_SECONDS setting defines. See the cache documentation.
CSRF protection
Transaction
process_template_response(self, request, response)
Cache
14. Tell the system to do something (ie. if statements)
Session
Authentication
middleware processing sequence
Template tags
15. 1) Forbids access to user agents in the DISALLOWED_USER_AGENTS setting - which should be a list of strings. 2) Performs URL rewriting based on the APPEND_SLASH and PREPEND_WWW settings. 3) Sends broken link notification emails to MANAGERS if SEND_BRO
python manage.py runserver
Django dot look ups
GZIP
Common
16. This method is always called, even if the process_request() and process_view() methods of the same middleware class were skipped because an earlier middleware method returned an HttpResponse (this means that your process_response() method cannot rely
View metadata
python manage.py runserver
process_response(self, request, response)
Transaction
17. To produce the 'markup' or presentation of the site.
Message
Common
Session
Template
18. This method is called on each request, before Django decides which view to execute.
process_request(self, request)
Message
process_template_response(self, request, response)
middleware processing sequence
19. Django calls this when a view raises an exception. This should return either None or an HttpResponse object. If it returns an HttpResponse object, the response will be returned to the browser. Otherwise, default exception handling kicks in.
Django dot look ups
process_exception(self, request, exception)
Template tags
View metadata
20. Binds commit and rollback to the request/response phase. If a view function runs successfully - a commit is done. If it fails with an exception - a rollback is done.
Conditional GET
process_exception(self, request, exception)
Transaction
Authentication
21. Enables session support. See the session documentation.
Transaction
Session
python manage.py runserver
Cache