Nexus Interview Questions and Answers

LVM stands for Logical Volume Manager. It is a tool used to manage disk space by creating logical volumes from physical volumes.

• LVM allows for dynamic resizing of logical volumes without the need to unmount the filesystem.

• It can create multiple logical volumes from a single physical volume.

• LVM provides features like snapshots and mirroring for data protection.

• The number of partitions that can be created using LVM depends on the size of the physical volumes and the filesystem ...read more

To address a full /boot partition, remove unnecessary files, uninstall old kernels, and increase partition size if needed.

• Delete unnecessary files in /boot directory

• Uninstall old kernels to free up space

• Increase the size of the /boot partition if necessary

Kernel types are the different types of kernels used in operating systems.

• Monolithic kernel: all operating system services run in kernel space

• Microkernel: minimal kernel with most services running in user space

• Hybrid kernel: combines features of both monolithic and micro kernels

Kernel is the core part of an operating system that manages system resources, while OS is the entire operating system including kernel and other components.

• Kernel is the central component of an operating system responsible for managing resources such as memory, CPU, and I/O.

• OS includes the kernel along with other components like user interface, system utilities, and applications.

• Examples of kernels include Linux kernel, Windows NT kernel, and macOS XNU kernel.

• Examples of oper...read more

NIC bonding, also known as network interface card bonding, is a technique used to combine multiple network interfaces into a single virtual interface for increased bandwidth and redundancy.

• NIC bonding is used to increase network bandwidth by aggregating multiple network interfaces together.

• It also provides redundancy in case one network interface fails, ensuring continuous network connectivity.

• There are different bonding modes such as active-backup, balance-rr, balance-xor, e...read more