Adobe AD0-E704 Exam Practice Test Instant Access

Question 1

When your class will be instantiated all the dependencies injected in your class constructor will also get instantiated, and it will trigger a chain reaction of object creation, this can really slow down the process. What could be the solution of above problem?

AUse Proxy classes with help of di.xml

BUse VitualType classes with help of di.xml

CUse Dependecy Injection with help of di.xml

DUse factory classes instead of Model.

Answer : A

Question 2

You are tasked to work on a message queue module. When looking at the queue configuration you see the following:

Keeping in mind maintainability, you change it to:

What will happen?

AThis code will cancel all the topic starting with customer

BThis code will not work as message queue does not allow # wildcard

CThis code will replace all of the different topics as # is the symbol for everything

DThis code will replace only some of the topics

Answer : D

Question 3

You are working on a project with a large database with many products, sales rules and CMS pages. The merchant is going to use Magento_Staging for scheduled updates, but they were told that use of Staging will modify all SQL queries and slow down website performance.

What modification does Magento_Staging make to existing SQL queries?

AIt creates a copy of the staged table with the staged data and joins the new table to replace original values with the staged ones

BEvery query which uses staged entities will have an additional join to the staging_update table filtered by the current version

CMagento.staging does not modify any existing queries so it has no additional impact

DFor every query that uses staged entities it adds an additional were statement to filter a row by the current version

Answer : D

Question 4

You are writing a new method for retrieving the level of the category in a category tree by its ID. You have a select query:

With the Staging functionality enabled, the returned category level value changes over time while the category tree stays the same. How do you fix this issue?

AAdd filters based on updated_in and created.in for Staging compatibility

BReplace $categoryResource->geTLinkField() with ScategoryResource->getEntityIdField()

CReplace Scategoryld With ScategoryResource->getEntityId(ScatgoryId)

DReplace Scategoryld With ScategoryResource->getLinkId(Scategoryld)

Answer : D

Question 5

You are reviewing a codebase and come across the following in a layout XML file:

The project is using Varnish for full page caching. How will Magento use the 111 attribute value?

ATo set the Expires HTTP response headers for any page containing this block

BTo set the timeout for the block output in the browser local storage

CTo set the cache lifetime when saving the block output to the block cache

DTo set the Expires HTTP header when serving the block as an ESI

Answer : C

Question 6

Magento can load the configuration file di.xml area-specific. During bootstrapping, each application entry point loads the appropriate di.xml files for the requested are

a. Please select the set of correct areas, where this file can be loaded by Magento:

Aadminhtml, frontend, webapi_rest, webapi_soap, crontab

Bbackend, frontend, webapi_rest, webapi_soap, crontab

Cadminhtml, frontend, webapi_rest, webapi_soap, system

Dbackend, frontend, webapi_rest, webapi_soap, system

Answer : A

Question 7

Magento uses the HTTPOnly flag when setting cookies for security reasons. There is also a system configuration setting available in the Cookie Settings to turn it on and off. What is the purpose of this flag?

ATo prevent cookies from being intercepted via a CSRF attack

BTo prevent cookies from being accessible via JavaScript

CTo prevent Cross Site Tracing (XST) attacks

DTo prevent cookies from being delivered over HTTPS

Answer : B

Adobe Certified Master Magento Commerce Architect AD0-E704 Exam Practice Test