Bharat IT Services System Administrator Interview Questions and Answers

As a system administrator, my daily routine involves monitoring system performance, troubleshooting issues, and ensuring data security.

• Check system logs and alerts for any issues

• Monitor system performance and resource usage

• Troubleshoot any issues that arise, such as network connectivity or software errors

• Ensure data security by implementing and maintaining security protocols

• Collaborate with other IT professionals to pl

A hypervisor is a software that creates and manages virtual machines on a physical server.

• Hypervisor allows multiple operating systems to run on a single physical machine

• It provides isolation and security between virtual machines

• There are two types of hypervisors: Type 1 (bare-metal) and Type 2 (hosted)

• Examples of hypervisors include VMware ESXi, Microsoft Hyper-V, and KVM

vmdk and vhd are virtual hard disk file formats used by virtualization software.

• vmdk is a file format used by VMware virtualization software.

• vhd is a file format used by Microsoft virtualization software.

• Both formats are used to store virtual hard disk images.

• They can be used to create and run virtual machines on a host system.

• Both formats support features like snapshots and cloning.

Windows Server has different versions such as 2003, 2008, 2012, 2016, and 2019.

• Windows Server 2003 - introduced Active Directory and improved security features

• Windows Server 2008 - introduced Server Core and PowerShell

• Windows Server 2012 - introduced Storage Spaces and Hyper-V Replica

• Windows Server 2016 - introduced Nano Server and Storage Spaces Direct

• Windows Server 2019 - introduced improved security features and Win