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Bash script interview Q&As – variable or parameter expansion

This extends Bash script interview Q&As – variables & arrays Q01 How will you concatenate strings in Bash? A01 In Bash, … Read more ›...

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Bash script interview Q&As – variables & arrays

A Bash script is a plain text file which contains a series of commands. It allows you to perform a series of actions. Bash scripting is an essential skill for any developer and system administrator to perform tasks efficiently and automate repetitive tasks.

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10: Databricks interview questions & answers – clone data & describe tables

Q01. How can you clone a table on Databricks? A01. You can create a copy of an existing Delta Lake table on Databricks at a specific version using the clone...

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07: Kubernetes (i.e k8s) interview Q&As – kubectl config

Q01. What is a kubectl in Kubernetes? A01. Kubectl is a command line tool used to run commands against Kubernetes clusters. … Read more ›...

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06: Kubernetes (i.e k8s) interview Q&As – Helm charts, Argo CD & Prometheus

Q01. What is a Helm chart in Kubernetes? A01. A Helm chart is a package manager for Kubernetes. A chart is a collection of files that describe a related set...

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05: Kubernetes (i.e k8s) interview Q&As – Service Vs Ingress

Q01. What is a Service in Kubernetes? A01. A Kubernetes service is a logical abstraction for a deployed group of pods in a cluster that perform the same function. …...

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04: Kubernetes (i.e k8s) interview Q&As – Volumes

Q01. What is the difference between Docker & Kubernetes Volumes? A01. Docker Volume and Kubernetes Persistent Volume serve similar purposes, … Read more ›...

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03: Kubernetes (aka k8s) interview Q&As – objects & manifest files

Q01. What is a Kubernetes object? A01. One of the key concepts in Kubernetes is the “desired state,” … Read more ›...

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09: Databricks interview questions & answers on optimization – Liquid Clustering & Photon accelerator

Here are more performance optimization techniques in Databaricks. Q01. What is Delta Lake liquid clustering? A01. Delta Lake liquid clustering replaces table partitioning and ZORDER to simplify data layout decisions...

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06: Azure interview Q&As on Resource Groups & Resource Manager

Q01. What is an Azure Resource Manager (i.e. ARM)? A01. ARM is the native platform for infrastructure as code (IaC) in Azure. … Read more ›...

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08: Java 9 to 20 features interview Q&As – Virtual Threads

Q01: What are virtual threads in Java? A01: Virtual threads in Java are analogous to goroutines in the Go language. … Read more ›...

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08: Databricks interview questions & answers on optimization – Partitioning, Optimize, Z-Order & Cacheing

Data skipping is a performance optimization that aims at speeding up queries that contain filters (i.e. WHERE clauses). Data can be skipped using partitioning and z-ordering techniques. Q01. … Read...

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07: Java 9 to 20 features interview Q&As – JShell & Collection factory methods

Q01: What is a JShell in Java?
A01: JShell was introduced in Java 9, and it is a Read-Evaluate-Print-Loop (aka REPL).

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Answers are detailed to be useful beyond job interviews. A few Q&As each day will make a huge difference in 3 to 24 months to go places depending on your experience.
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