Spectra HR Interview Questions and Answers

To check disk space in Windows and Linux, use command line tools like 'df' and 'wmic'.

• In Linux, use the 'df' command to check disk space. Example: 'df -h'

• In Windows, use the 'wmic' command to check disk space. Example: 'wmic logicaldisk get size,freespace,caption'

• You can also use GUI tools like 'Disk Usage Analyzer' in Linux and 'Disk Management' in Windows.

Command to check for open Port in the system.

• Use 'netstat' command to check for open ports

• Syntax: netstat -an | grep

• Example: netstat -an | grep 8080

DNS is a system that translates domain names to IP addresses. To change DNS for an application, update the DNS server settings.

• DNS stands for Domain Name System

• It translates domain names to IP addresses

• To change DNS for an application, update the DNS server settings

• If the application is not working in a certain network, check the DNS settings

• Examples of DNS servers include Google DNS and OpenDNS

Plugins are software components that add specific features to an existing application.

• Plugins are used to extend the functionality of an application without modifying its source code.

• They can be used to add new features, enhance existing ones, or customize the application to meet specific needs.

• Plugins can be developed by third-party developers or by the application's own developers.

• They are typically loaded dynamically at runtime and can be enabled or disabled as needed.

• Exam...read more

A device driver is a software that allows the operating system to communicate with hardware devices. Updating it for a 64-bit system requires admin rights.

• Device driver is a software that acts as an interface between the operating system and hardware devices

• It allows the operating system to communicate with the hardware devices

• Updating a device driver for a 64-bit system requires admin rights

• To update a device driver, go to Device Manager, right-click on the device, select Up...read more

sar command is used to collect, report, and save system activity information.

• sar stands for System Activity Report

• It is used to monitor system performance and resource utilization

• It can be run by non-root users, but some options may require root privileges

• The command generates reports on CPU usage, memory usage, disk I/O, network traffic, and more

To check system generated log files in Windows, follow these steps:

• Open Event Viewer by typing 'eventvwr' in the Run dialog box

• Navigate to Windows Logs and select the log file you want to view

• Use the filter option to narrow down the results

• Export the log file if needed

API stands for Application Programming Interface. It is important because it allows different software applications to communicate with each other.

• API is a set of protocols, routines, and tools for building software and applications

• It allows different software applications to communicate with each other

• APIs can be used to access data or functionality from a third-party service

• Examples of APIs include Google Maps API, Twitter API, and Facebook API