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Salesforce CRT-450 Exam Practice Questions (P. 3)

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Question #21
What is a capability of the <ltng:require> tag that is used for loading external Javascript libraries in Lightning Component? (Choose three.)
  1. A
    Loading files from Documents.
  2. B
    One-time loading for duplicate scripts.
  3. C
    Specifying loading order.
  4. D
    Loading scripts in parallel.
  5. E
    Loading externally hosted scripts.

Correct Answer:
BCD

Question #22
A Platform Developer needs to write an Apex method that will only perform an action if a record is assigned to a specific Record Type.
Which two options allow the developer to dynamically determine the ID of the required Record Type by its name? (Choose two.)
  1. A
    Make an outbound web services call to the SOAP API.
  2. B
    Hardcode the ID as a constant in an Apex class.
  3. C
    Use the getRecordTypeInfosByName() method in the DescribeSObjectResult class.
  4. D
    Execute a SOQL query on the RecordType object.

Correct Answer:
CD

Question #23
A developer has the controller class below.

Which code block will run successfully in an execute anonymous window?
  1. A
    myFooController m = new myFooController(); System.assert(m.prop !=null);
  2. B
    myFooController m = new myFooController(); System.assert(m.prop ==0);
  3. C
    myFooController m = new myFooController(); System.assert(m.prop ==null);
  4. D
    myFooController m = new myFooController(); System.assert(m.prop ==1);

Correct Answer:
C

Question #24
In a single record, a user selects multiple values from a multi-select picklist.
How are the selected values represented in Apex?
  1. A
    As a List<String> with each value as an element in the list
  2. B
    As a String with each value separated by a comma
  3. C
    As a String with each value separated by a semicolon
  4. D
    As a Set<String> with each value as an element in the set

Correct Answer:
C

Question #25
A developer writes the following code:

What is the result of the debug statement?
  1. A
    1, 100
  2. B
    1, 150
  3. C
    2, 150
  4. D
    2, 200

Correct Answer:
C

Question #26
What are two valid options for iterating through each Account in the collection List<Account> named AccountList? (Choose two.)
  1. A
    for (Account theAccount : AccountList) {ג€¦}
  2. B
    for(AccountList) {ג€¦}
  3. C
    for (List L : AccountList) {ג€¦}
  4. D
    for (Integer i=0; i < AccountList.Size(); i++) {ג€¦}

Correct Answer:
AD

Question #27
Given:
Map<ID, Account> accountMap = new Map>ID, Account> ([SELECT Id, Name FROM Account]);
What are three valid Apex loop structures for iterating through items in the collection? (Choose three.)
  1. A
    for (ID accountID : accountMap.keySet()) {ג€¦}
  2. B
    for (Account accountRecord : accountMap.values()) {ג€¦}
  3. C
    for (Integer i=0; I < accountMap.size(); i++) {ג€¦}
  4. D
    for (ID accountID : accountMap) {ג€¦}
  5. E
    for (Account accountRecord : accountMap.keySet()) {ג€¦}

Correct Answer:
ABC

Question #28
Universal Containers wants Opportunities to be locked from editing when reaching the Closed/Won stage.
Which two strategies should a developer use to accomplish this? (Choose two.)
  1. A
    Use a Visual Workflow.
  2. B
    Use a validation rule.
  3. C
    Use the Process Automation Settings.
  4. D
    Use a Trigger.

Correct Answer:
BD

Question #29
How should a developer make sure that a child record on a custom object, with a lookup to the Account object, has the same sharing access as its associated account?
  1. A
    Create a Sharing Rule comparing the custom object owner to the account owner.
  2. B
    Create a validation rule on the custom object comparing the record owners on both records.
  3. C
    Include the sharing related list on the custom object page layout.
  4. D
    Ensure that the relationship between the objects is Master-Detail.

Correct Answer:
D

Question #30
An org has a single account named `˜NoContacts' that has no related contacts. Given the query:
List<Account> accounts = [Select ID, (Select ID, Name from Contacts) from Account where Name=`˜NoContacts'];
What is the result of running this Apex?
  1. A
    accounts[0].contacts is invalid Apex.
  2. B
    accounts[0].contacts is an empty Apex.
  3. C
    accounts[0].contacts is Null.
  4. D
    A QueryException is thrown.

Correct Answer:
B

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