Choice Solutions (India) Senior Systems Engineer Interview Questions and Answers

VPN is a secure connection between two or more devices over the internet.

• VPN encrypts data to ensure privacy and security

• It allows remote access to a private network

• It can be used to bypass geo-restrictions and access blocked content

• Examples include OpenVPN, Cisco AnyConnect, and NordVPN

Ping cmd is a network diagnostic tool used to test connectivity between two devices.

• Ping sends ICMP packets to the destination device and measures the response time.

• It can be used to test network latency, packet loss, and network congestion.

• Ping can also be used to determine the IP address of a device.

• Ping can be run from the command prompt on Windows, macOS, and Linux systems.

• Ping can be used with various options such...read more

Dual booting allows two operating systems to be installed on one computer, giving the user the option to choose which to use.

• Create a separate partition for each operating system

• Install the first operating system on one partition

• Install the second operating system on the other partition

• Use a boot manager to choose which operating system to boot into

• Examples of boot managers include GRUB and Windows Boot Manager

A virtual machine is a software emulation of a physical computer that can run multiple operating systems and applications.

• Virtual machines allow for efficient use of hardware resources by sharing them among multiple virtual machines

• They provide a secure and isolated environment for running applications

• Virtual machines can be easily created, cloned, and moved between physical hosts

• Examples of virtual machine software in