LVS: Layer 4 load balancer based on IP and port, suitable for high-performance needs. Nginx: Layer 7 load balancer, based on HTTP protocol, suitable for application layer proxy. HAProxy: Supports both Layer 4 and Layer 7 load balancing, ideal for high-concurrency scenarios. 6. What is a ...
orWhat is Prometheus and how is it used with Grafana?Although it is clear we cannot discuss all of them here, we canconsultyou on any question or issue you might have. Final thoughts Just about ten years ago nobody heard about the title “DevOps engineer.” However, within the past ...
What is the Unix/Linux command to remove a directory and its contents? Which command will show you free/used memory? Does free memory exist on Linux? How to search for the string "my konfu is the best" in files of a directory recursively? How to connect to a remote server or what ...
One of the frequently asked Linux interview questions is ‘what is the difference between LVM and LVM2?’ to which most of the candidate’s flanks. In this article, we will be discussing this question. First of all, what is LVM? LVM is a logical volume manager. It is a widely used vo...
Question: What is the difference between QA and software testing? Question: How do you apply configuration management (CM) process in software testing? Question:Consider this scenario. You find yourself testing alone one day, and you discovered almost simultaneously two critical bugs. Both of them...
This is a very confusing question, we know that object variables contain the reference to the Objects in heap space. When we invoke any method, a copy of these variables is passed and gets stored in the stack memory of the method. We can test any language whether it’s pass by reference...
The book contains questions based on algorithms and data structure, and if you can solve them on your own, you are fully ready for job interviews.书中包含基于算法和数据结构的问题,如果你能自己解决这些问题,那么你就已经为面试做好了充分的准备。It also includes some solved question which teaches ...
The on-site interview at Tesla is typically divided into5 rounds, wherein each session lasts for about45 minutes.These are discussed below: Technical Rounds (3 Rounds) There arethree technical rounds. Thefirst one coversdesignproblems.Here’s an example of a question that you can expect during...
And yes, I spend time on code reviews too, but honestly, by the time I get a pull request, generally the code in question should already have been reviewed by multiple people already. So while I still look at patches, I actually tend to look more at the explanations, and the history ...
Best Interview Question Database PostgreSQL Interview Questionsand Answers PostgreSQL Interview Questions 1. What is PostgreSQL and why it is used for? 2. What are the features of PostgreSQL? 3. How to install PostgreSQL on windows? 4. How to install PostgreSQL on Ubuntu? 5. List data type ...