Adobe AD0-E703 Online Practice Questions and Exam Preparation

Adobe AD0-E703 Online Questions & Answers

• Question 71:

  In a code review of a merchant's site you have discovered that there are multiple observers for the checkout_submit_all_after event. After closer inspection, you notice one of these observers is relying on the others being executed before it is called.

  What risk does this pose, and how can it be mitigated?

  A. There is no risk posed as long as each event observer specifies a correct sortOrder. Nothing needs to be changed.
  B. Event observers are fired in alphabetical order of the observer name. There is no risk here.
  C. Magento only supports one observer per event. These observers will need to be combined into a single point of customization.
  D. Order of listener execution cannot be guaranteed, resulting in a fragile implementation. This code should be re-worked using plugins
  D. Order of listener execution cannot be guaranteed, resulting in a fragile implementation. This code should be re-worked using plugins

• Question 72:

  During a code review of a module MyCompany_PaymentCurrencies you see a configuration field declared in the file etc/adminhtml/system.xml:

  

  What is the consequence of the attribute showInStore being set to 0?

  A. The field value will not be accessible on the store front by calling ScopeConfigInterface::getValue() with a $scopeType argument of `store'.
  B. The input field will not be visible if a store view scope is selected in the system configuration
  C. The input field will only be visible if a website's default store scope is selected in the system configuration
  D. The input field will be disabled if a store view scope is selected in the system configuration
  B. The input field will not be visible if a store view scope is selected in the system configuration

• Question 73:

  You got a notification about error that occurred on a production environment. The merchant gave you the error identifier. How do you find the error message based on the identifier?

  A. An error is written to the var/log/exception.log file including the identifier
  B. The error is sent to the pre-configured error email with the identifier in the subject
  C. A file with a name matching the identifier is written to the var/report folder
  D. An error message is written to the database table error_log with an error_id field matching the identifier
  B. The error is sent to the pre-configured error email with the identifier in the subject

• Question 74:

  While reviewing a layout file named sales_order_view.xml you notice the element

  What is the purpose of this element?

  A. Replaces the customer_account handle with sales_order_view
  B. Nothing, this element has been deprecated
  C. Adds the customer_account handle to the page's handles list
  D. Updates the current page handle to customer_account
  C. Adds the customer_account handle to the page's handles list

• Question 75:

  How can you render a text on a page using only layout xml?

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  C. Option C

• Question 76:

  The constructor function for \Magento\Catalog\Model\Category contains this excerpt:

  

  With the automatic dependency injection that Magento provides, how is the StoreManagerInterface resolved?

  A. If no $storeManager is provided, Magento's code generator creates a shell concrete class based on \Magento\Store\Model\StoreManagerInterface
  B. Magento finds all classes that implement \Magento\Store\Model\StoreManagerInterface (ordered alphabetically) and injects the first class.
  C. Magento looks to the di.xml files in the entire system for a preference node for \Magento\Store\Model\StoreManagerInterface. This class is constructed and injected
  D. Magento throws an exception because you cannot instantiate an interface
  C. Magento looks to the di.xml files in the entire system for a preference node for \Magento\Store\Model\StoreManagerInterface. This class is constructed and injected

• Question 77:

  What is the difference between online and offline shipping methods?

  A. Online means that a shipment will have a tracking number, and offline means no tracking numbers are available
  B. Online means Magento will use a shipping carrier's API to obtain rates, offline means Magento will calculate the rates internally
  C. Online means that an item's shipping will be processed by the merchant, offline means that it will be processed by the customer
  D. Online means that it will be sent to the customer using a shipping carrier, offline means the customer will pick up the order in person
  B. Online means Magento will use a shipping carrier's API to obtain rates, offline means Magento will calculate the rates internally

• Question 78:

  You are making some major adjustments to a core Magento class (ClassA). These adjustments are only necessary when utilized from a specific Magento class (ClassB). You have created MyClass that contains the needed customizations. Keeping upgradeability in mind, how do you configure di.xml to make the substitution happen?

  A. Ensure that MyClass extends ModuleA and set the , for ModuleB to point to your new class in di.xml.
  B. Set a for ModuleA to be replaced by MyClass
  C. Create a rewrite node that injects MyClass into ClassB.
  D. Create a virtual type that extends ModuleB, specifying an for MyClass.
  A. Ensure that MyClass extends ModuleA and set the , for ModuleB to point to your new class in di.xml.

• Question 79:

  You are setting up a brand new Magento installation for a merchant who is migrating from Magento 1 to Magento 2. Keeping in mind upgradability and the need to customize, which one do you choose?

  A. Create a new Magento instance using composer create-project
  B. Clone the magento/magento2 GitHub repository
  C. Run php bin/magento setup:migrate command
  D. Create a new Magento instance by using the bin/magento install command
  A. Create a new Magento instance using composer create-project

• Question 80:

  Magento 2's architecture uses code to bootstrap a custom module that resides in app/code. What two files are required to make a module usable? (Choose two.)

  A. Helper/Data.php
  B. etc/config.xml
  C. etc/module.xml
  D. registration.php
  C. etc/module.xml
  D. registration.php