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Brillo Technologies Interview Questions and Answers
15 Interview questions
Apex Trigger to update related records
Create a trigger on the object you want to update related records for
Use SOQL queries to retrieve related records
Update the related records based on certain criteria
WeakHashMap is a subclass of HashMap with weaker references to keys, allowing them to be garbage collected.
WeakHashMap is suitable for scenarios where keys are not strongly referenced and can be garbage collected.
HashMap is suitable for scenarios where strong references to keys are needed and should not be garbage collected.
WeakHashMap is less memory efficient compared to HashMap due to the use of weaker reference...
MVC architecture is a design pattern used in software development to separate the application into three main components: Model, View, and Controller.
Model represents the data and business logic of the application.
View is responsible for displaying the data to the user.
Controller acts as an intermediary between Model and View, handling user input and updating the Model accordingly.
Example: In a web application, th...
CRUD operations in Node.js involve creating, reading, updating, and deleting data from a database.
Use libraries like Express and Mongoose to handle CRUD operations in Node.js
Create: Use HTTP POST method to add new data to the database
Read: Use HTTP GET method to retrieve data from the database
Update: Use HTTP PUT or PATCH method to modify existing data in the database
Delete: Use HTTP DELETE method to remove data f...
ER Diagram is created by identifying entities, attributes, and relationships in a database.
Identify entities in the database (e.g. Customer, Product, Order)
Identify attributes for each entity (e.g. Customer has attributes like Name, Address)
Identify relationships between entities (e.g. Customer places Order)
Tables can be created in databases using SQL commands like CREATE TABLE.
Use CREATE TABLE statement in SQL to create a new table
Specify the table name and column names along with their data types
Add constraints like primary key, foreign key, etc. if needed
Record lock in Salesforce prevents multiple users from editing the same record simultaneously.
Record lock ensures data integrity by preventing conflicts when multiple users try to edit the same record at the same time.
When a record is locked, other users can view it but cannot make changes until the lock is released.
Locks can be set at different levels such as record level, field level, or even at the database lev...
Understanding event propagation from child to grandparent in Salesforce LWC.
Events in LWC can be propagated from child to parent and then to grandparent components.
Use Custom Events to communicate from child to parent: const event = new CustomEvent('eventname', { detail: data });
The parent component listens for the event and can then dispatch another event to the grandparent.
Example: Child component fires an event...
Sharing rules are used to extend access to records in Salesforce beyond the organization-wide defaults.
Sharing rules are used to grant access to records based on criteria or ownership
They can be used to give access to specific groups or roles
Sharing rules are evaluated after the organization-wide defaults and manual sharing
They can be used to grant read-only or read/write access to records
The setup method is used in Salesforce development to initialize test data and environment before running test methods.
The setup method is defined in a test class and is executed before each test method.
It is used to create test data, set up test environment, and perform any necessary setup actions.
The setup method helps in ensuring that each test method starts with a clean and consistent state.
It can be used to i...
Brillo Technologies Interview Experiences
21 interviews found
1 hr - Basic Programs on Strings, Arrays
(4 Questions)
- Q1. How to create Tables
- Ans.
Tables can be created in databases using SQL commands like CREATE TABLE.
Use CREATE TABLE statement in SQL to create a new table
Specify the table name and column names along with their data types
Add constraints like primary key, foreign key, etc. if needed
- Q2. How to create ER Diagram
- Ans.
ER Diagram is created by identifying entities, attributes, and relationships in a database.
Identify entities in the database (e.g. Customer, Product, Order)
Identify attributes for each entity (e.g. Customer has attributes like Name, Address)
Identify relationships between entities (e.g. Customer places Order)
- Q3. How CRUD operations are made in Node.js
- Ans.
CRUD operations in Node.js involve creating, reading, updating, and deleting data from a database.
Use libraries like Express and Mongoose to handle CRUD operations in Node.js
Create: Use HTTP POST method to add new data to the database
Read: Use HTTP GET method to retrieve data from the database
Update: Use HTTP PUT or PATCH method to modify existing data in the database
Delete: Use HTTP DELETE method to remove data from t...
- Q4. Explain MVC architecture
- Ans.
MVC architecture is a design pattern used in software development to separate the application into three main components: Model, View, and Controller.
Model represents the data and business logic of the application.
View is responsible for displaying the data to the user.
Controller acts as an intermediary between Model and View, handling user input and updating the Model accordingly.
Example: In a web application, the Mod...
Interview Preparation Tips
Skills evaluated in this interview
Senior Technical Lead and Project Manager Interview Questions & Answers
Anonymous
posted on 31 Aug 2024
I applied via LinkedIn and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. Weakhashmap vs hashmap
- Ans.
WeakHashMap is a subclass of HashMap with weaker references to keys, allowing them to be garbage collected.
WeakHashMap is suitable for scenarios where keys are not strongly referenced and can be garbage collected.
HashMap is suitable for scenarios where strong references to keys are needed and should not be garbage collected.
WeakHashMap is less memory efficient compared to HashMap due to the use of weaker references.
- Q2. @EnableAutoconfiguration
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Jun 2024. There was 1 interview round.
(3 Questions)
- Q1. Project overview
- Q2. Types of transformations
- Ans.
Types of transformations include expression, filter, aggregator, join, lookup, and more.
Expression transformation: Perform calculations or manipulate data
Filter transformation: Filter rows based on specified conditions
Aggregator transformation: Perform aggregate calculations like sum, average, etc.
Join transformation: Combine data from multiple sources based on a common key
Lookup transformation: Retrieve data from a re...
- Q3. Strong Sql queries
Skills evaluated in this interview
(1 Question)
- Q1. Write Apex Trigger
- Ans.
Apex Trigger to update related records
Create a trigger on the object you want to update related records for
Use SOQL queries to retrieve related records
Update the related records based on certain criteria
I applied via Approached by Company and was interviewed in Mar 2024. There were 2 interview rounds.
(1 Question)
- Q1. Common Salesforce Administrator questions
(1 Question)
- Q1. Higher level Salesforce Administrator questions
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
(4 Questions)
- Q1. What is inherited sharing
- Ans.
Inherited sharing is a feature in Salesforce that allows sharing settings to be inherited from parent records to child records.
Inherited sharing ensures that child records have the same sharing settings as their parent records.
It simplifies the management of sharing settings by automatically propagating them to related records.
Inherited sharing can be enabled for custom objects and standard objects in Salesforce.
It hel...
- Q2. What is setup method
- Ans.
The setup method is used in Salesforce development to initialize test data and environment before running test methods.
The setup method is defined in a test class and is executed before each test method.
It is used to create test data, set up test environment, and perform any necessary setup actions.
The setup method helps in ensuring that each test method starts with a clean and consistent state.
It can be used to insert...
- Q3. What is sharing rules
- Ans.
Sharing rules are used to extend access to records in Salesforce beyond the organization-wide defaults.
Sharing rules are used to grant access to records based on criteria or ownership
They can be used to give access to specific groups or roles
Sharing rules are evaluated after the organization-wide defaults and manual sharing
They can be used to grant read-only or read/write access to records
- Q4. Questions on trigger and SOQL
Interview Preparation Tips
Skills evaluated in this interview
(1 Question)
- Q1. What is record lock in salesforce?
- Ans.
Record lock in Salesforce prevents multiple users from editing the same record simultaneously.
Record lock ensures data integrity by preventing conflicts when multiple users try to edit the same record at the same time.
When a record is locked, other users can view it but cannot make changes until the lock is released.
Locks can be set at different levels such as record level, field level, or even at the database level.
Re...
(1 Question)
- Q1. Salesforce Lwc child to grand parent events
- Ans.
Understanding event propagation from child to grandparent in Salesforce LWC.
Events in LWC can be propagated from child to parent and then to grandparent components.
Use Custom Events to communicate from child to parent: const event = new CustomEvent('eventname', { detail: data });
The parent component listens for the event and can then dispatch another event to the grandparent.
Example: Child component fires an event, Par...
Skills evaluated in this interview
I applied via Approached by Company
2 coding questions easy to medium level
I applied via Campus Placement
3 sections
1) MCQs on Coding
2) DSA questions and
3) Queries regarding Sql mostly connecting 2 to 3 tables
Selected
I applied via Campus Placement and was interviewed before May 2023. There were 4 interview rounds.
It was an online round consisting of aptitude, coding , SQL and comprehension
A random topic on tech was given and we had to discuss on it.
(4 Questions)
- Q1. It was a one on one tech round where questions on oops, dsa, SQL, projects, STLC and sdlc were asked
- Q2. Oops concepts through explanation
- Ans.
Oops concepts are fundamental principles of object-oriented programming that help in organizing and designing code.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Allowing a class to inherit properties and behavior from another class.
Polymorphism: Ability of objects to take on multiple forms or have multiple behaviors.
Abstraction: Hiding the complex implementati...
- Q3. NestedSQL queries
- Q4. Software testing life cycle and software development life cycle
(1 Question)
- Q1. One on one round where the hr discussed about the company
Interview Preparation Tips
Skills evaluated in this interview
I applied via Campus Placement and was interviewed before Oct 2022. There were 5 interview rounds.
Questions about maths, reasoning, English and business case
Online gd with 15 candidates
(1 Question)
- Q1. Palindrome number, local and global scope, Oops, Basic SQL queries, Aggregate functions, Acid properties, Init constructors.
(1 Question)
- Q1. Questions about family, studies, relocation.
Interview Preparation Tips
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Brillo Technologies Interview FAQs
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