Magneto Extension Multiple Choice Questions (MCQs)
Question#1 What is the CLI command to list all the commands?
select the correct option from below
i)magento cli_all
ii)magento list
iii)magento cli_list
iv)magento list_all
Answer- magento list
Question#2 _ is a software design pattern that allows a class to specify its dependencies without having to construct them.
select the correct option from below
i)Events and observers
ii)Plugins
iii)Dependency injection
Answer- Dependency injection
Question#3 In which file you can define your dependency for a class in Magento?
select the correct option from below
i)system.xml
ii)webapi.xml
iii)acl.xml
iv)di.xml
Answer- di.xml
Question#4 cache:flush command removes all the cache, including the third-party libraries cache data.
select the correct option from below
i)True
ii)False
Answer- True
Question#5 When the dependency inversion principle is applied, it means high-level classes are not working directly with low-level classes.
select the correct option from below
i)True
ii)False
Answer- True
Question#6 cache:clean command removes all the cache, including the third-party libraries cache data.
select the correct option from below
i)True
ii)False
Answer- False
Question#7 Which of the following is incorrect regarding the dependency inversion principle?
select the correct option from below
i)Your high-level classes should use the interfaces of low-level classes instead of working with them directly.
ii)None of the options
iii)Using interfaces in your code reduces the risk of incompatibility bugs when Magento changes the underlying implementation of those interfaces.
iv)Reduces code dependency using abstractions in your code.
Answer- Your high-level classes should use the interfaces of low-level classes instead of working with them directly.
Question#8 __ CLI command is used to uninstall a module.
select the correct option from below
i)php bin/magento unistall -m module
ii)php bin/magento module-unistall
iii)php bin/magento module:unistall
Answer- php bin/magento module:unistall
Question#9 __ method return value will substitute the original method return value.
select the correct option from below
i)around
ii)after
iii)before
iv)None of the options
Answer- before
Question#10 Proxy initiates dependency in __ approach.
select the correct option from below
i)Publish-subscribe
ii)lazy load
iii)Data render
Answer- lazy load
Question#11 Newable objects cannot be injected.
select the correct option from below
i)True
ii)False
Answer- True
Question#12 __ blocks generate the actual content for the display, where you need to assign to one of the structural blocks for frontend display.
select the correct option from below
i)Structural blocks
ii)Content blocks
Answer- Content blocks
Question#13 Observers names can be similar in an event definition.
select the correct option from below
i)True
ii)False
Answer- False
Question#14 Events are dispatched using MagentoFrameworkEventMaganer class.
select the correct option from below
i)True
ii)False
Answer- True
Question#15 What are the parameters of the around method?
select the correct option from below
i)subject and proceed
ii)subject, value and proceed
iii)subject and result
iv)subject, proceed and original method parameters
Answer- subject, proceed and original method parameters
Question#16 What is the first step in creating a custom system.xml?
select the correct option from below
i)Creating ACL
ii)Adding default config value
iii)Creating custom system configuration
iv)None of the options
Answer- Creating custom system configuration
Question#17 You have to call _ function to dispatch an event from the event manager class.
select the correct option from below
i)event
ii)system
iii)observer
iv)dispatch
Answer- dispatch
Question#18 Interceptor is used for running plugins.
select the correct option from below
i)True
ii)False
Answer- True
Question#19 Name the two parameters used by the after method.
select the correct option from below
i)subject and result
ii)result and proceed
iii)subject and value
iv)None of the options
Answer- subject and result
Question#20 _ method is used to replace the original method entirely.
select the correct option from below
i)after
ii)before
iii)around
iv)None of the options
Answer- before
Question#21 Events are dispatched by _ when certain actions are trigerred.
select the correct option from below
i)Templates
ii)Plugins
iii)Modules
iv)Themes
Answer- Modules
Question#22 Name the two parameters used by the before method.
select the correct option from below
i)result and value
ii)subject and value
iii)subject and proceed
iv)subject and result
Answer- result and value
Question#23 What are the types of dependencies?
select the correct option from below
i)Newable
ii)Injectable
iii)Both injectable and newable
Answer- Both injectable and newable
Question#24 What all are things that you can configure using di.xml file?
select the correct option from below
i)Connect plugin to class
ii)Create virtual type
iii)Link an injectable interface with correct implementation
iv)All the options
Answer- All the options
Question#25 ObjectManager class is located at which directory?
select the correct option from below
i)vendor/magento/backend/ObjectManager
ii)vendor/magento/framework/ObjectManager
iii)vendor/magento/backend/
iv)vendor/magento/frontend/
Answer- vendor/magento/backend/ObjectManager
Question#26 _ is the DI manager that finds the correct implementations which are required for the original object.
select the correct option from below
i)dependency injection
ii)di.xml
iii)ObjectManager
iv)system.xml
Answer- ObjectManager
Question#27 Where does the global di.xml reside in magento directory?
select the correct option from below
i)frontend/etc/di.xml
ii)module/etc/di.xml
iii)app/etc/di.xml
Answer- module/etc/di.xml
Question#28 Interceptor class gets generated programmatically when the object manager tries to call the instance of the class.
select the correct option from below
i)True
ii)False
Answer- True
