National Informatics Centre Server Administrator Interview Questions, Process, and Tips

Server hardening is the process of securing a server by reducing its attack surface and minimizing vulnerabilities.

• Server hardening involves configuring the server to reduce the risk of unauthorized access, data theft, and other security threats.

• This can include installing security patches and updates, disabling unnecessary services and ports, and implementing access controls.

• Examples of server hardening measures inclu...read more

The default Mysql port is 3306.

• Mysql uses port 3306 by default for communication.

• The port number can be changed in the configuration file.

• To connect to a Mysql server, the client must specify the correct port number.

SSH is a secure network protocol used for remote access to servers. SSL is a security protocol used for secure communication over the internet.

• SSH stands for Secure Shell and is used for secure remote access to servers

• SSH uses encryption to secure the communication between the client and server

• SSL stands for Secure Sockets Layer and is used for secure communication over the internet

• SSL uses encryption to secure the com...read more

Logical Volume Management (LVM) is a method of allocating space on mass storage devices that allows for flexible partitioning.

• LVM allows for the creation of logical volumes that can span multiple physical disks.

• It provides features such as resizing volumes on-the-fly and creating snapshots for backups.

• LVM is commonly used in enterprise environments to manage large amounts of data.

• Examples of LVM tools include pvcreate,

I will implement various security measures such as firewalls, access controls, regular updates, and backups.

• Install and configure firewalls to prevent unauthorized access

• Implement access controls to restrict access to sensitive data

• Regularly update software and operating systems to patch vulnerabilities

• Perform regular backups to ensure data can be restored in case of a security breach