Monthly Archive January 2019


Platform Developer I Certification Maintenance (Winter ’19)

Q-1 Which method of the DescribeSObjectResult class allows you to access record types by their developer name? ANS:

Q-2 Which Apex class includes new methods to verify digital and HMAC signatures? ANS:- System.Crypto

Q-3 Your org has My Domain enabled. What is the most efficient method to obtain a valid session ID to make an HTTP callout from asynchronous Apex code to Salesforce APIs? ANS:-
Use System.UserInfo.getSessionId().

Q-4Which annotation allows a developer to make the result of an Apex method storable for Lightning components?ANS:-

Q-5:Which merge field allows you to isolate untrusted third-party content with <apex:iframe> tag in Visualforce?ANS:-

Q-5: Prior to installing an unlocked package, which object should a developer query using the Tooling API to list the packages it depends on? ANS:- SubscriberPackageVersion

public inherited sharing class TowerMapUtilClass {
     public static List queryObjects(String theObject, List theFields, String theFilter, String sortField, String sortOrder) {
          String theQuery = 'SELECT ' + string.join(theFields, ',');
          theQuery += ' FROM ' + theObject;
          if(!String.isEmpty(theFilter)) {
               theQuery += ' WHERE ' + theFilter;
          if(!String.isEmpty(sortField)) {
               theQuery += ' ORDER BY ' + sortField;
               if(!String.isEmpty(sortOrder)) {
                    theQuery += ' ' + sortOrder;
          return database.query(theQuery);
public inherited sharing class TowerMapControllerClass {
     public static List getAllTowers() {
          String theObject = 'Tower__c';
          List theFields = new List{'Id', 'Name', 'State__r.Name', 'Tower_Location__Latitude__s', 'Tower_Location__Longitude__s'};
          String theFilter = '';
          String sortField = 'Name';
          String sortOrder = 'ASC';
          List allTowers = TowerMapUtilClass.queryObjects(theObject, theFields, theFilter, sortField, sortOrder);
          return allTowers;
Add below code Towermap.cmp

        mapMarkers="{! v.mapMarkers }"
        markersTitle = "{!v.markersTitle}"
        zoomLevel="5" />


Write a trigger after update on account object

trigger AccountTrigger on Account (after insert,before insert,after update) {
if(Trigger.IsAfter && Trigger.IsUpdate){
set accountSetID=new set();
system.debug('Account Name'+AccountDetail.Name);
accountSetID.add(;//Store ALl Account ID in Set
List contactList=[SELECT LastName,FirstName FROM Contact WHERE ACCOUNTID=:accountSetID];//All Contacts
for(Contact ContactDetail:contactList){
ContactDetail.FirstName='IBM'+ ContactDetail.FirstName;
system.debug('Contact Name'+contactList[0].FirstName);
update contactList;



Write Trigger for before Insert on account object

trigger AccountTrigger on Account (after insert,before insert,after update) {
for(Account AccountDetail:Trigger.New){
AccountDetail.AnnualRevenue=5;//Update AnnualRevenue

Create a validation rule to check that a contact is in the zip code of its account

MailingPostalCode <> Account.ShippingPostalCode 


Administrator Certification Maintenance (Winter ’19)

  • On which object can users assign a new owner to multiple records at one time from a Lightning Experience list view? ANS: Lead
  • How can a user place the cursor in the list view search field without navigating to it with the tab button or the cursor? ANS:
    Keyboard shortcut g+f
  • Which Forecast Type should the System Administrator configure to make territory forecasts available to the sales team?ANS:
    Opportunity Revenue by Territory
  • How many decimal places can the user choose to display when creating a dashboard component?ANS:
    Up to 5
  • What will display in the search results when a user uses the quick search on the reports tab?ANS:
    The reports or folders displayed are based on what is selected on the side menu
  • What has to be enabled to allow users to save Chatter posts before they appear in the feed?ANS: Allow draft posts.
  • How can a standard user adjust the page layout to display more fields in the same amount of space?ANS: Change the density from comfy to compact.
  • The customer community manager wants to gamify the community by recognizing members’ specific accomplishments. What can the System Administrator configure to accomplish this goal?ANS:Recognition Badges