LinkedIn Django Assessment Answers 2023 –Django Skill Badge: Django LinkedIn Test Answers: In this post you will get all the correct answers of LinkedIn Django quiz answers given by the experts.
LinkedIn Django Assessment Answers 2023
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LinkedIn Django Assessment Questions and Answers
Q1. To cache your entire site for an application in Django, you add all except which of these settings?
- [ ] django.middleware.common.CommonMiddleware
- [ ] django.middleware.cache.UpdateCacheMiddleware
- [ ] django.middleware.cache.FetchFromCacheMiddleware
- [x] django.middleware.cache.AcceleratedCacheMiddleware
Q2. In which programming language is Django written?
- [ ] C++
- [ ] Java
- [x] Python
- [ ] Ruby
Q3. To automatically provide a value for a field, or to do validation that requires access to more than a single field, you should override the ___
method in the ___
class.
- [ ] validate(); Model
- [ ] group(); Model
- [ ] validate(); Form
- [x] clean(); Field
Q4. A client wants their site to be able to load “Rick & Morty” episodes by number or by title—e.g., shows/3/3 or shows/picklerick. Which URL pattern do you recommend?
- [ ]
url(r'shows/<int:season>/<int:episode>/', views.episode_number),
url(r'shows/<slug:episode_name>/', views.episode_name)
- [x]
path('shows/<int:season>/<int:episode>/', views.episode_number),
path(r'shows/<slug:episode_name>/', views.episode_name)
- [ ]
path('shows/<int:season>/<int:episode>', views.episode_number),
path(r'shows/<slug:episode_name>/', views.episode_number)
- [ ]
url(r'^show/(?P<season>[0-9]+)/(?P<episode>[0-9]+)/$', views.episode_number),
url(r'^show/(?P<episode_name>[\w-]+)/', views.episode_name
Q5. How do you determine at startup time if a piece of middleware should be used?
- [x] Raise MiddlewareNotUsed in the init function of your middleware.
- [ ] Implement the not_used method in your middleware class.
- [ ] List the middleware beneath an entry of django.middleware.IgnoredMiddleware.
- [ ] Write code to remove the middleware from the settings in [app]/init.py.
Q6. How do you turn off Django’s automatic HTML escaping for part of a web page?
- [ ] Place that section between paragraph tags containing the autoescape=off switch.
- [ ] Wrap that section between { percentage mark autoescape off percentage mark} and {percentage mark endautoescape percentage mark} tags.
- [ ] Wrap that section between {percentage mark autoescapeoff percentage mark} and {percentage mark endautoescapeoff percentage mark} tags.
- [x] You don’t need to do anything—autoescaping is off by default.
Q7. Which step would NOT help you troubleshoot the error “django-admin: command not found”?
- [ ] Check that the bin folder inside your Django directory is on your system path.
- [ ] Make sure you have activated the virtual environment you have set up containing Django.
- [ ] Check that you have installed Django.
- [x] Make sure that you have created a Django project.
Q8. Every time a user is saved, their quiz_score needs to be recalculated. Where might be an ideal place to add this logic?
- [ ] template
- [x] model
- [ ] database
- [ ] view
Q9. What is the correct way to begin a class called “Rainbow” in Python?
- [ ] Rainbow {}
- [ ] export Rainbow:
- [x] class Rainbow:
- [ ] def Rainbow:
Q10. You have inherited a Django project and need to get it running locally. It comes with a requirements.txt file containing all its dependencies. Which command should you use?
- [ ] django-admin startproject requirements.txt
- [ ] python install -r requirements.txt
- [x] pip install -r requirements.txt
- [ ] pip install Django
Q11. Which best practice is NOT relevant to migrations?
- [x] To make sure that your migrations are up to date, you should run updatemigrations before running your tests.
- [ ] You should back up your production database before running a migration.
- [ ] Your migration code should be under source control.
- [ ] If a project has a lot of data, you should test against a staging copy before running the migration on production.
Q12. What will this URL pattern match? url(r’^\$’, views.hello)
- [ ] a string beginning with the letter Ra string beginning with the letter R
- [x] an empty string at the server root
- [ ] a string containing ^ and $a string containing ^ and $
- [ ] an empty string anywhere in the URLan empty string anywhere in the URL
Q13. What is the typical order of an HTTP request/response cycle in Django?
- [x] URL > view > template
- [ ] form > model > view
- [ ] template > view > model
- [ ] URL > template > view > model
Q14. Django’s class-based generic views provide which classes that implement common web development tasks?
- [ ] concrete
- [ ] thread-safe
- [x] abstract
- [ ] dynamic
Q15. Which skills do you need to maintain a set of Django templates?
- [ ] template syntax
- [x] HTML and template syntax
- [ ] Python, HTML, and template syntax
- [ ] Python and template syntax
Q16. How would you define the relationship between a star and a constellation in a Django model?
- [x]
class Star(models.Model):
name = models.CharField(max_length=100)
class Constellation(models.Model):
stars = models.ManyToManyField(Star)
- [ ]
class Star(models.Model):
constellation = models.ForeignKey(Constellation, on_delete=models.CASCADE)
class Constellation(models.Model):
stars = models.ForeignKey(Star, on_delete=models.CASCADE)
- [ ]
class Star(models.Model):
name = models.CharField(max_length=100)
class Constellation(models.Model):
stars = models.OneToManyField(Star)
- [ ]
class Star(models.Model):
constellation = models.ManyToManyField(Constellation)
class Constellation(models.Model):
name = models.CharField(max_length=100)
Q17. Which is NOT a valid step in configuring your Django 2.x instance to serve up static files such as images or CSS?
- [x] In your urls file, add a pattern that includes the name of your static directory.
- [ ] Create a directory named static inside your app directory.
- [ ] Create a directory named after the app under the static directory, and place static files inside.
- [ ] Use the template tag {percentage mark load static percentage mark}.
Q18. What is the correct way to make a variable available to all of your templates?
- [ ] Set a session variable.
- [ ] Use a global variable.
- [ ] Add a dictionary to the template context.
- [x] Use RequestContext.
Q19. Should you create a custom user model for new projects?
- [ ] No. Using a custom user model could break the admin interface and some third-party apps.
- [ ] Yes. It is easier to make changes once it goes into production.
- [x] No. Django’s built-in models.User class has been tried and tested—no point in reinventing the wheel.
- [ ] Yes, as there is no other option.
Q20. You want to create a page that allows editing of two classes connected by a foreign key (e.g., a question and answer that reside in separate tables). What Django feature can you use?
- [x] actions
- [ ] admin
- [ ] mezcal
- [ ] inlines
Q21. Why are QuerySets considered “lazy”?
- [ ] The results of a QuerySet are not ordered.
- [x] QuerySets do not create any database activity until they are evaluated.
- [ ] QuerySets do not load objects into memory until they are needed.
- [ ] Using QuerySets, you cannot execute more complex queries.
Q22. You receive a MultiValueDictKeyError
when trying to access a request parameter with the following code: request.GET[‘search_term’]. Which solution will NOT help you in this scenario?
- [x] Switch to using POST instead of GET as the request method.
- [ ] Make sure the input field in your form is also named “search_term”.
- [ ] Use MultiValueDict’s GET method instead of hitting the dictionary directly like this: request.GET.get(‘search_term’, ”).
- [ ] Check if the search_term parameter is present in the request before attempting to access it.
Q23. Which function of Django’s Form class will render a form’s fields as a series of
tags?
- [ ] show_fields()
- [x] as_p()
- [ ] as_table()
- [ ] fields()
Q24. You have found a bug in Django and you want to submit a patch. Which is the correct procedure?
- [ ] Fork the Django repository GitHub.
- [ ] Submit a pull request.
- [x] all of these answers.
- [ ] Run Django’s test suite.
Q25. Django supplies sensible default values for settings. In which Python module can you find these settings?
- [ ] django.utils.default_settings.py
- [ ] django.utils.global_settings.py
- [ ] django.conf.default_settings.py
- [x] django.conf.global_settings.py
Q26. Which variable name is best according to PEP 8 guidelines?
- [ ] numFingers
- [ ] number-of-Fingers
- [x] number_of_fingers
- [ ] finger_num
Q27. A project has accumulated 500 migrations. Which course of action would you pursue?
- [ ] Manually merge your migration files to reduce the number
- [ ] Don’t worry about the number
- [ ] Try to minimize the number of migrations
- [x] Use squashmigrations to reduce the number
Q28. What does an F() object allow you when dealing with models?
- [x] perform db operations without fetching a model object
- [ ] define db transaction isolation levels
- [ ] use aggregate functions more easily
- [ ] build reusable QuerySets
Q29. Which is not a Django filed type for integers?
- [ ] SmallIntegerField
- [x] NegativeIntegerField
- [ ] BigAutoField
- [ ] PositiveIntegerField
Q30. Which will show the currently installed version?
- [ ] print (django.version)
- [ ] import django django.getVersion()
- [x] import django django.get_version()
- [ ] python -c django –version
Q31. You should use the http method ___
to read data and ___
to update or create data
- [ ] READ; WRITE
- [x] GET; POST
- [ ] POST; GET
- [ ] GET; PATCH
Q32. When should you employ the POST method over GET for submitting data?
- [ ] when efficiency is important
- [ ] when you want the data to be cached
- [ ] when you want to use your browser to help with debugging
- [x] when the data in the form may be sensitive
Q33. When to use the Django sites framework?
- [x] if your single installation powers more than one site
- [ ] if you need to serve static as well as dynamic content
- [ ] if you want your app have a fully qualified domain name
- [ ] if you are expecting more than 10.000 users
Q34. Which infrastructure do you need:
title=models.charfield(max_length=100, validators=[validate_spelling])
- [ ] inizialized array called validators
- [x] a validators file containing a function called validate_spelling imported at the top of model
- [ ] a validators file containing a function called validate imported at the top of model
- [ ] spelling package imported at the top of model
Q35. What decorator is used to require that a view accepts only the get and head methods?
- [x] require_safe()
- [ ] require_put()
- [ ] require_post()
- [ ] require_get()
Q36. How would you define the relation between a book and an author – book has only one author.
- [ ]
class Author (models.model):
book=models.foreignkey(Book,on_delete=models.cascade)
class Book(models.model):
name=models.charfield(max_length=100)
- [x]
class Author (models.model):
name=models.charfield(max_length=100)
class Book(models.model):
author=models.foreignkey(Author,on_delete=models.cascade)
- [ ]
class Author (models.model):
name=models.charfield(max_length=100)
class Book(models.model):
author=models.foreignkey(Author)
- [ ]
class Author (models.model):
name=models.charfield(max_length=100)
class Book(models.model):
author=models.foreignkey(Author,on_delete=models.cascade)
- [ ]
class Author (models.model):
name=models.charfield(max_length=100)
class Book(models.model):
author=Author.name
Q37. What is a callable that takes a value and raises an error if the value fails?
- [x] validator
- [ ] deodorizer
- [ ] mediator
- [ ] regular expression
Q38. To secure an API endpoint, making it accessible to registered users only, you can replace the rest_framework.permissions.allowAny value in the default_permissions section of your settings.py to
- [ ] rest_framework.permissions.IsAdminUser
- [x] rest_framework.permissions.IsAuthenticated
- [ ] rest_framework.permissions.IsAuthorized
- [ ] rest_framework.permissions.IsRegistered
Q39. Which command would you use to apply a migration?
- [ ] makemigration
- [ ] update_db
- [ ] applymigration
- [x] migrate
Q40. Which type of class allows QuerySets and model instances to be converted to native Python data types for use in APIs?
- [ ] objectwriters
- [x] serializers
- [ ] picklers
- [ ] viewsets
Q41. How should the code end?
{ percentage if spark >= 50 percentage }
Lots of spark
{percentage elif spark == 42 percentage}
- [ ] { percentage else percentage}
- [x] {percentage endif percentage}
- [ ] Nothing needed
- [ ] {percentage end percentage}
Q42. Which code block will create a serializer?
from rest_framework import serializers
from .models import Planet
- [x]
class PlanetSerializer(serializers.ModelSerializer):
class Meta:
model=Planet
fields=('name','position', 'mass', 'rings')
- [ ]
from rest_framework import serializers
from .models import Planet
class PlanetSerializer():
class Meta:
fields=('name','position', 'mass', 'rings')
model=Planet
- [ ]
from django.db import serializers
from .models import Planet
class PlanetSerializer(serializers.ModelSerializer):
fields=('name','position', 'mass', 'rings')
model=Sandwich
- [ ]
from django.db import serializers
from .models import Planet
class PlanetSerializer(serializers.ModelSerializer):
class Meta:
fields=('name')
model=Planet
Q43. Which class allows you to automatically create a Serializer class with fields and validators that correspond to your model’s fields?
- [x] ModelSerializer
- [ ] Model
- [ ] DataSerializer
- [ ] ModelToSerializer
Q44. Which command to access the built-in admin tool for the first time?
- [ ] django-admin setup
- [ ] django-admin runserver
- [ ] python manage.py createuser
- [x] python manage.py createsuperuser
Q45. Virtual environments are for managing dependencies. Which granularity works best?
- [x] you should set up a new virtualenv for each Django project
- [ ] They should not be used
- [ ] Use the same venv for all your Django work
- [ ] Use a new venv for each Django app
Q46. What executes various Django commands such as running a webserver or creating an app?
- [ ] migrate.py
- [ ] wsgi.py
- [x] manage.py
- [ ] runserver
Q47. What do Django best practice suggest should be “fat”?
- [x] models
- [ ] controllers
- [ ] programmers
- [ ] clients
Q48. Which is not part of Django’s design philosophy?
- [ ] Loose Coupling
- [ ] Less Code
- [ ] Fast Development
- [x] Implicit over explicit
Q49. What is the result of this template code?
{{"live long and prosper"|truncate:3}}
- [x] live long and …
- [ ] live long and
- [ ] a compilation error
- [ ] liv
Q50. When does this code load data into memory?
1 sandwiches = Sandwich.objects.filter(is_vegan=True)
2 for sandwich in sandwiches:
3 print(sandwich.name + " - " + sandwich.spice_level)
- [ ] line 1
- [x] It depends on how many results return by query.
- [ ] It depends on cache.
- [ ] line 2
Q51. You are building a web application using a React front end and a Django back end. For what will you need to provision?**
- [ ] an NGINX web server
- [ ] a NoSQL database
- [ ] a larger hard drive
- [ ] CORS middleware
Q52. To expose an existing model via an API endpoint, what do you need to implement?**
- [ ] an HTTP request
- [ ] a JSON object
- [ ] a query
- [x] a serializer
Q53. How would you stop Django from performing database table creation or deletion operations via migrations for a particular model?**
- [ ] Run the
migrate
command with--exclude=[model_name]
. - [ ] Move the model definition from
models.py
into its own file. - [x] Set
managed=False
inside the model. - [ ] Don’t run the
migrate
command.
Q54. what method can you use to check if form data has changed when using a form instance?
- [x] has_changed()
- [ ] its_changed()
- [ ] has_updated()
- [ ] None of This
Q55. What is WSGI?
- [x] a server
- [ ] an interface specification
- [ ] a Python module
- [ ] a framework
Q56. Which generic view should be used for displaying the tittles of all Django Reinhardt’s songs?
- [ ] DetailView
- [ ] TittleView
- [ ] SongView
- [x] ListView
Q57. Which statement is most accurate, regarding using the default SQLite database on your local/development machine but Postgres in production
- [x] There’s less chance of introducing bugs since SQLite already works out the box
- [ ] It’s fine, you just need to keep both instances synchronized
- [ ] It’s a bad idea and could lead to issues down the road
- [ ] It’s the most efficient way to build a project
Q58. Why might you want to write a custom model Manager?
- [ ] to perform database queries
- [ ] to set up a database for testing
- [x] to modify the initial QuerySet that the Manager returns
- [ ] to filter the results that a database query returns
Q59. In Django, what are used to customize the data that is sent to the templates?
- [ ] models
- [x] views
- [ ] forms
- [ ] serializers
Q60. To complete the conditional, what should this block of code end with?
% if sparles >= 50 %
Lots of sparkles!
% elif sparkles == 42 %
The answer to life, the universe, and everything!
- [x]
% endif %
- [ ] Nothing else is needed.
- [ ]
% end%
- [ ]
% else %
Q61. When should you employ the POST method over the GET method for submitting data from a form?
- [x] when the data in the form may be sensitive
- [ ] when you want the data to be cached
- [ ] when you want to use your browser to help with debugging
- [ ] when efficiency is important
Q62. What is a callable that takes a value and raises an error if the value fails to meet some criteria?
- [ ] mediator
- [x] validator
- [ ] regular expression
- [ ] deodorizer
Q63. You are uploading a file to Django from a form and you want to save the received file as a field on a model object. You can simply assign the file object from_to a field of type__in the model.
- [ ] request.META; FileField
- [ ] request.FILES; BLOBField
- [x] request.FILES; FileField
- [ ] request.META.Files; CLOBField
Q64. What python module might be used to store the current state of a Django model in a file?
- [x] pickle
- [ ] struct
- [ ] marshal
- [ ] serialize
Q65. To add a new app to an existing Django project, you must edit the _ section of the _ file.
- [ ] ALLOWED_HOSTS; settings.py
- [ ] APPS; manage.py
- [x] INSTALLED_APPS; settings.py
- [ ] TEMPLATES; urls.py
Q66. Which is not a third-party package commonly used for authentication?
- [ ] django-guardian
- [ ] django-rest-auth
- [ ] authtoken
- [x] django-rest-framework-jwt
Q67. Which function in the django.urls package can help you avoid hardcoding URLS by generating a URL given the name of a view?
- [ ] get_script_prefix()
- [ ] redirect()
- [x] reverse()
- [ ] resolve()
Q68. Which is Fictional HTTP request method?
- [ ] POST
- [ ] PUT
- [x] PAUSE
- [ ] PATCH
Q69. Which helper function is not provided as a part of django.shortcuts package? ref-
- [x] render_to_request()
- [ ] render()
- [ ] redirect()
- [ ] get_object_or_404()
Q70. Which is a nonstandard place to store templates?
- [x] at the root level of a project
- [ ] inside the application
- [ ] in the database
- [ ] on Github
Q71. If you left the 8080 off the command python manage.py runserver 8080 what port would Django use as default?
- [x] 8080
- [ ] 80
- [ ] 8000
- [ ] It would fail to start
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