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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. Adds the user attribute - representing the currently-logged-in user - to every incoming HttpRequest object. See Authentication in Web requests.
GZIP
Authentication
Template
process_response(self, request, response)
2. To start the server
Message
GZIP
CSRF protection
python manage.py runserver
3. To produce the 'markup' or presentation of the site.
Authentication
Transaction
python manage.py runserver
Template
4. 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
Session
middleware processing sequence
Cache
Common
5. Adds protection against Cross Site Request Forgeries by adding hidden form fields to POST forms and checking requests for the correct value.
process_response(self, request, response)
CSRF protection
process_request(self, request)
Template tags
6. Tell the system to do something (ie. if statements)
Template
Common
View metadata
Template tags
7. 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
Template
process_template_response(self, request, response)
Transaction
Authentication
8. 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)
Transaction
process_response(self, request, response)
GZIP
9. Compresses content for browsers that understand gzip compression (all modern browsers).
Authentication
process_template_response(self, request, response)
Cache
GZIP
10. Enables cookie- and session-based message support.
Cache
python manage.py runserver
Locale
Message
11. 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.
View metadata
Message
process_template_response(self, request, response)
CSRF protection
12. This method is called on each request, before Django decides which view to execute.
Conditional GET
Session
process_request(self, request)
Django dot look ups
13. 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
Template
View metadata
GZIP
14. Enables session support. See the session documentation.
Session
process_exception(self, request, exception)
GZIP
Cache
15. 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
process_response(self, request, response)
process_request(self, request)
Authentication
Template tags
16. 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
GZIP
Template
process_template_response(self, request, response)
middleware processing sequence
17. 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.
process_exception(self, request, exception)
Transaction
Common
Session
18. Enables language selection based on data from the request. It customizes content for each user. See the internationalization documentation.
process_response(self, request, response)
Cache
Locale
Message
19. Dictionary - Attribute - Method calls - ListIndex - It uses the first one to work using a short circuit method.
Transaction
Django dot look ups
CSRF protection
Authentication
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.
Cache
View metadata
Authentication
Transaction
21. 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
Cache
process_template_response(self, request, response)