Rocket Software Senior Javascript Developer Interview Questions and Answers

Q1. Fundamental of javaScript
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Q2. Fundamentals of React
Ans. 
React is a JavaScript library for building user interfaces.
• React allows developers to create reusable UI components.

• It uses a virtual DOM for efficient rendering.

• React uses JSX, a syntax extension that allows mixing HTML with JavaScript.

• State and props are used to manage data and pass information between components.
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App was given to create

Very basic aptitude questions along with few coding questions

Q1. A problem statement was given and we had to provide an optimal approach to design and handle that problem
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Q2. Oops concepts, SQL queries
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The basic question is related to profit percentage, time and distance

Q1. Is the database schema of any type?
Ans. 
Yes, the database schema can be of various types such as relational, hierarchical, network, object-oriented, etc.
• Relational database schema is the most common type, using tables to store data with relationships between them.

• Hierarchical database schema organizes data in a tree-like structure.

• Network database schema allows multiple relationships between records.

• Object-oriented database schema stores data as objects with...read more
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BASIC DSA LIKE ARRAY AND STRING

Q1. System Design for Electric Charger app ?
Ans. 
System design for an electric charger app involves creating a user-friendly interface, integrating with payment systems, and ensuring efficient charging station management.
• Design a user-friendly interface for users to locate and reserve charging stations

• Integrate with payment systems for seamless transactions

• Implement efficient charging station management to monitor availability and maintenance

• Consider scalability for ...read more
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Q2. Design digram for that ?
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Design diagram for a software developer role.
• Use UML diagrams to show class relationships and interactions

• Include components like classes, interfaces, relationships, and methods

• Consider using tools like Lucidchart or draw.io for creating the diagram
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Q1. Self introduction
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Q2. Communication Test
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Q1. How Instant clone work?
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Instant clone is a feature in VMware Horizon that allows for rapid creation of virtual desktops.
• Instant clones are created from a parent VM in a matter of seconds.

• They share the same virtual disks as the parent VM, but have their own memory and virtual NICs.

• Instant clones use a technology called VMFork to create a copy-on-write clone of the parent VM.

• They are ideal for use cases where a large number of identical virtua...read more
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Q2. Explain primary and secondary connection with port numbers from client to agent machine?
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Primary and secondary connections with port numbers are used for communication between client and agent machines.
• Primary connection is established using a well-known port number, such as port 80 for HTTP.

• Secondary connection is established using a random port number, which is assigned by the client machine.

• Primary connection is used for initial communication and negotiation, while secondary connection is used for data ...read more
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Q3. Have you worked on deploying Horizon infra?
Ans. 
Yes, I have experience in deploying Horizon infrastructure.
• I have deployed Horizon View infrastructure for virtual desktops.

• I have configured and managed Horizon Connection Servers.

• I have worked with Horizon Composer for image management.

• I have experience in troubleshooting Horizon infrastructure issues.

• I have implemented Horizon Workspace for application and data access.
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Q4. Different types of writable volumes?
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Writable volumes are used to store user or application data separately from the OS and applications.
• There are two types of writable volumes: User writable volumes and AppStack writable volumes.

• User writable volumes are used to store user-specific data and settings.

• AppStack writable volumes are used to store application-specific data and settings.

• Writable volumes can be created using VMware App Volumes or Citrix App Lay...read more
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Q5. Difference between instant clone and linked clone?
Ans. 
Instant clone creates a copy of the VM while linked clone shares virtual disks with the parent VM.
• Instant clone is faster to create than linked clone.

• Instant clone uses a copy-on-write mechanism to create a new VM.

• Linked clone shares virtual disks with the parent VM and only creates delta disks for changes.

• Instant clone is useful for creating many identical VMs quickly.

• Linked clone is useful for creating VMs with sligh
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why are you looking for a change?
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Q5. Tell me about yourself.
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Q1. Tell me about yourself
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Q2. Where are you from
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Q3. Relocate to Pan india
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Q1. Tell me about yourself
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Q1. Angular lifecycle hooks, directives, modules
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Q2. Angular forms module, application bootstrap process
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Given JavaScript's complex logic on array and list