Cvent Interview Questions, Process, and Tips

Implement 3 stacks using 1 array

• Divide the array into 3 equal parts

• Use pointers to keep track of top of each stack

• Push and pop elements based on the pointer of the respective stack

Detect cycle in a graph

• Use Depth First Search (DFS) algorithm to traverse the graph

• Maintain a visited set to keep track of visited nodes

• If a node is visited again during DFS, then a cycle exists

• If all nodes are visited and no cycle is found, then no cycle exists

Interpreted languages are executed directly by the interpreter while compiled languages are first converted to machine code.

• Interpreted languages are slower than compiled languages as they are executed line by line.

• Compiled languages are faster as the code is already converted to machine code.

• Interpreted languages are easier to debug as errors can be caught at runtime.

• Compiled languages are harder to debug as errors ca...read more

Check debug logs for Apex error messages

• Review debug logs to identify any Apex error messages

• Check the error message for the line number and class name

• Use the Developer Console to view the debug logs

• Consider implementing error handling and notifications for Apex errors

I prefer to do testing by creating test cases based on the business requirements and executing them systematically.

• Create test cases based on business requirements

• Execute test cases systematically

• Use automation tools for repetitive tests

• Perform regression testing after changes

• Collaborate with stakeholders for feedback

Sequence of execution in Salesforce determines the order in which various operations are executed.

• Triggers

• Validation rules

• Before triggers

• Custom validation

• After triggers

• Assignment rules

• Auto-response rules

• Workflow rules

• Escalation rules

• Processes

• Post-commit logic

Profiles define a user's access to objects and fields, while permission sets grant additional permissions to users.

• Profiles are assigned to users and define their access to objects and fields.

• Permission sets are used to grant additional permissions to users beyond their profile.

• Profiles are used to control access to standard objects, while permission sets are used for custom objects.

• Multiple permission sets can be assi...read more

Ways to share records in Salesforce

• Sharing rules

• Manual sharing

• Role hierarchy

• Public groups

• Team sharing

• Apex sharing

Salesforce profile has 3 types of notifications. A work-around to avoid bombardment is to customize notification settings.

• Salesforce profile has 3 types of notifications: In-App, Email, and Chatter

• To avoid bombardment, customize notification settings based on user preferences

• For example, users can choose to receive notifications only for important events or from specific groups

• Another work-around is to use automation t...read more

Workflow, Process Builder, and Flows are automation tools in Salesforce, but differ in their capabilities and use cases.

• Workflow is a simple automation tool that allows you to automate standard internal procedures and processes to save time and ensure consistency.

• Process Builder is a more advanced automation tool that allows you to create complex, multi-step processes with advanced logic and branching.

• Flows are similar...read more

To find a number from a singly linked list.

• Traverse the linked list and compare each node's value with the target number.

• If the target number is found, return the node.

• If the end of the linked list is reached without finding the target number, return null.