ZS Business Operations Analyst Interview Questions and Answers

Java bean class is a reusable software component and singleton class restricts the instantiation of a class to one object.

• Java bean class is a POJO (Plain Old Java Object) that encapsulates many objects into a single object for easy access.

• It follows a naming convention where the class name starts with a capital letter and has a public default constructor.

• Singleton class is a design pattern that ensures only one instan...read more

Query to retrieve all customer names starting with A.

• Use the SELECT statement to retrieve customer names.

• Use the LIKE operator with the pattern 'A%' to match names starting with A.

• Specify the table and column name where the customer names are stored.

• Example: SELECT customer_name FROM customers WHERE customer_name LIKE 'A%';

To troubleshoot disk corrupt issue, check disk errors, run chkdsk, repair disk, and recover data.

• Check for disk errors using Event Viewer or Disk Utility

• Run chkdsk command to scan and fix disk errors

• Repair disk using disk repair tool or reinstalling OS

• Recover data using data recovery software or professional services

Port 1433 needs to be open for SQL Server.

• SQL Server uses port 1433 for communication.

• Ensure that port 1433 is open in the server's firewall.

• Check the SQL Server configuration to confirm the port number.

To troubleshoot a C drive running out of space, check for large files, uninstall unnecessary programs, clear temporary files, and consider expanding storage capacity.

• Check for large files that can be deleted or moved to another drive

• Uninstall unnecessary programs to free up space

• Clear temporary files using disk cleanup tools

• Consider expanding storage capacity by adding a new hard drive or using external storage

I would check the server logs and troubleshoot the issue.

• Check if the website is properly configured on the server

• Check if there are any errors in the server logs

• Check if there are any issues with the website's code or database

• Restart the server or relevant services if necessary

VMs communicate through network protocols and virtual switches.

• VMs use network protocols like TCP/IP to communicate.

• Virtual switches connect VMs to the physical network.

• Hosts can also use virtual network adapters to communicate with VMs.

• Firewalls and security policies can restrict VM communication.

• Examples of virtual switches include VMware vSwitch and Hyper-V Virtual Switch.