django LinkedIn Skill Assessment Quiz 2022 | LinkedIn Skill Assessment Quiz | LinkedIn | MNC Answers
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*****************************************How to take LinkedIn Skill Assessment
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- Click on 'Me'
- Click on 'View Profile'
- Scroll to 'Skills' section
- click on 'Take skill quiz'
- Search for your preferred courses/skills and take up the assessment
*******************************************
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?
- [ ] <span>
```
url(r'shows/<int:season>/<int:episode>/',
views.episode_number),
url(r'shows/<slug:episode_name>/', views.episode_name)
```
- [x] <span>
```
path('shows/<int:season>/<int:episode>/',
views.episode_number),
path(r'shows/<slug:episode_name>/', views.episode_name)
```
- [ ] <span>
```
path('shows/<int:season>/<int:episode>', views.episode_number),
path(r'shows/<slug:episode_name>/', views.episode_number)
```
- [ ] <span>
```
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] <span>
```
class Star(models.Model):
name = models.CharField(max_length=100)
class Constellation(models.Model):
stars = models.ManyToManyField(Star)
```
- [ ] <span>
```
class Star(models.Model):
constellation = models.ForeignKey(Constellation,
on_delete=models.CASCADE)
class Constellation(models.Model):
stars = models.ForeignKey(Star, on_delete=models.CASCADE)
```
- [ ] <span>
```
class Star(models.Model):
name = models.CharField(max_length=100)
class Constellation(models.Model):
stars = models.OneToManyField(Star)
```
- [ ] <span>
```
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 <p> 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.
- [ ] <span>
```
class Author (models.model):
book=models.foreignkey(Book,on_delete=models.cascade)
class Book(models.model):
name=models.charfield(max_length=100)
```
- [x] <span>
```python
class Author (models.model):
name=models.charfield(max_length=100)
class Book(models.model):
author=models.foreignkey(Author,on_delete=models.cascade)
```
- [ ] <span>
```
class Author (models.model):
name=models.charfield(max_length=100)
class Book(models.model):
author=models.foreignkey(Author)
```
- [ ] <span>
```
class Author (models.model):
name=models.charfield(max_length=100)
class Book(models.model):
author=models.foreignkey(Author,on_delete=models.cascade)
```
- [ ] <span>
```
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] <span>
```
class PlanetSerializer(serializers.ModelSerializer):
class Meta:
model=Planet
fields=('name','position', 'mass', 'rings')
```
- [ ] <span>
```
from rest_framework import serializers
from .models import Planet
class PlanetSerializer():
class Meta:
fields=('name','position', 'mass', 'rings')
model=Planet
```
- [ ] <span>
```
from django.db import serializers
from .models import Planet
class PlanetSerializer(serializers.ModelSerializer):
fields=('name','position', 'mass', 'rings')
model=Sandwich
```
- [ ] <span>
```
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?
```shell
% 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
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