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I applied via Walk-in and was interviewed in May 2019. There were 5 interview rounds.
Booting process is the sequence of events that occur when a computer system is turned on.
BIOS/UEFI firmware initializes hardware components
Bootloader loads the kernel into memory
Kernel initializes system processes and drivers
Init system starts user space processes and services
Graphical user interface (GUI) is loaded for user interaction
I have worked on Red Hat Enterprise Linux versions 6, 7, and 8.
I have experience with installation, configuration, and maintenance of Red Hat Enterprise Linux servers.
I have worked with Red Hat Enterprise Linux 6, 7, and 8 in both physical and virtual environments.
I have experience with package management, user management, and security hardening on Red Hat Enterprise Linux.
I have also worked with Red Hat Satellite for ...
Free up disk space by identifying and removing unnecessary files.
Identify large files and delete them
Remove old log files
Clear cache and temporary files
Compress large files
Move files to another disk or server
Sticky bit and SGID are special permissions in Linux file system.
Sticky bit is denoted by 't' in file permission and restricts deletion of files in a directory by non-owners.
SGID is denoted by 's' in file permission and sets the group ID of newly created files to the group of the parent directory.
SGID can also be used on executable files to allow users to run them with the permissions of the group that owns the file.
SG...
Zombie is a terminated process that still has an entry in the process table, while orphan is a child process whose parent has terminated.
Zombie process is waiting for its parent to read its exit status
Orphan process is adopted by init process (PID 1)
Zombie process can be removed by killing its parent process
Orphan process can continue running even after its parent has terminated
RAID stands for Redundant Array of Independent Disks. It is a data storage technology that combines multiple physical disks into a single logical unit.
There are several types of RAID, including RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, and more.
RAID 0 offers no redundancy but provides improved performance by striping data across multiple disks.
RAID 1 provides mirroring of data across two disks, offering redundancy but n...
Network bonding is the process of combining multiple network interfaces into a single logical interface.
Network bonding provides redundancy and increased bandwidth.
There are different bonding modes such as active-backup, balance-rr, and LACP.
Bonding can be configured using the ifenslave utility or through network configuration files.
Examples of network interfaces that can be bonded include Ethernet, Wi-Fi, and InfiniBa...
systemd is a system and service manager while services are individual programs that run in the background.
systemd is responsible for managing the system's startup and shutdown processes
services are individual programs that run in the background and can be managed by systemd
systemd can start, stop, restart, enable, and disable services
services can be configured to start automatically at boot time using systemd
systemd pr...
Managed Linux servers, performed system administration tasks, implemented security measures, and provided technical support.
Managed and maintained Linux servers to ensure optimal performance
Performed system administration tasks such as installing, configuring, and troubleshooting software
Implemented security measures to protect servers from cyber threats
Provided technical support to end users and resolved issues in a t
posted on 26 Oct 2021
posted on 30 Nov 2024
I applied via Naukri.com and was interviewed in Oct 2024. There was 1 interview round.
posted on 18 Nov 2024
Reasoning arthemetic
Basic coding skills technical questions
Consist of Logical and English aptitude questions.
posted on 4 Dec 2024
I applied via Campus Placement and was interviewed before Dec 2023. There were 2 interview rounds.
Medium level question where asked in this round.
1 medium 1 hard question and had a good structured question.
I applied via Referral and was interviewed in Jan 2023. There were 2 interview rounds.
OSI (Open Systems Interconnection) model is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system.
OSI model has 7 layers, each layer has a specific function and communicates with the layer above and below it.
Examples of OSI layers are: Physical layer (transmitting bits over a medium), Data link layer (framing data into packets), Network layer (rout...
CMD commands are used for various tasks like managing files, network settings, system configurations, and more.
CMD commands are used to navigate and manage files and directories on a computer.
They can be used to configure network settings and troubleshoot network issues.
CMD commands can also be used to manage system configurations and services.
Some commonly used CMD commands include dir, cd, ipconfig, ping, netstat, an
Aptitude TesT - logically things, IQ level
Given one topic. Need to discussion. And Debet
Learn some coding language like python and Java
And SAP ABAP
Static keyword in Java is used to create class-level variables and methods.
Static variables and methods belong to the class rather than the instance of the class.
Static variables are initialized only once at the start of the program.
Static methods can be called without creating an instance of the class.
Static keyword can also be used to create static blocks that are executed only once when the class is loaded.
Example: ...
Yes, Java supports multiple interface implementation in a single class.
A class can implement multiple interfaces separated by a comma.
All the methods of the implemented interfaces must be implemented in the class.
Example: public class MyClass implements Interface1, Interface2 { }
Diamond problem is a multiple inheritance issue in Java where two classes have a common parent class and a subclass inherits from both.
Occurs when two classes have a common parent class and a subclass inherits from both
Results in ambiguity and conflicts in method and variable resolution
Solved in Java by implementing interfaces instead of multiple inheritance
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