A developer uses an 'after update' trigger on the Account object to update all the Contacts related to the Account. The trigger code shown below is randomly failing.
List<Contacts> theContacts = new List<Contacts>(); for(Account a : Trigger.new){ for(Contact c : [SELECT Id, Account_Date__c FROM Contact WHERE AccountId = :a.Id]){ c.Account_Date__c = Date.today(); theContacts.add(c);
}
} updates theContacts;
Which line of code is causing the code block to fail?

• A.A SOQL query is located inside of the for loop.
• B.The trigger processes more than 200 records in the for loop.
• C.An exception is thrown if theContacts is empty
• D.An exception is thrown if Account_Date__c is null.

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A developer needs to display all of the available fields for an object.
In which two ways can the developer retrieve the available fields if the variable myObject represents the name of the object? (Choose two.)

• A.Use mySObject.myObject.fields.getMap() to return a map of fields.
• B.Use Schema.describeSObjects(new String[]{myObject})[0].fields.getMap() to return a map of fields.
• C.Use getGlobalDescribe().get(myObject).getDescribe().fields.getMap() to return a map of fields.
• D.Use myObject.sObjectType.getDescribe().fieldSet() to return a set of fields.

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Which two queries can a developer use in a visualforce controller to protect against SOQL injection Vulnerabilities? Choose 2 answers

• A.String qryName = '%' + String.enforceSecurityChecks(name)+ '%'; String qryString = 'SELECT Id FROM Contact WHERE Name LIKE :qryNAme'; List queryResults = Database.query(qryString);
• B.String qryName = '%' + String.escpaeSingleQuotes(name)+ '%'; String qryString = 'SELECT Id FROM Contact WHERE Name LIKE :qryNAme'; List queryResults = Database.query(qryString);
• C.String qryName = '%' + name '%'; String qryString = 'SELECT Id FROM Contact WHERE Name LIKE :qryNAme'; List queryResults = Database.query(qryString);
• D.String qryString = 'SELECT Id FROM Contact WHERE Name LIKE :qryNAme'; List queryResults = Database.query(qryString);

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A developer wants to import 500 Opportunity records into a sandbox. Why should the developer choose to use data Loader instead of Data Import Wizard?

• A.Data Import Wizard does not support Opportunities.
• B.Data Loader runs from the developer's browser.
• C.Data Loader automatically relates Opportunities to Accounts.
• D.Data Import Wizard can not import all 500 records.

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Refer to the following Apex code:

What is the value of x when it is written to the debug log?

• A.2
• B.3
• C.0
• D.1

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