DevOps Write For Us – We will start with the basic questions, the shortest and most accessible to answer. These are the type of questions in a job interview you will come across at the beginning.
It does not mean that the most fundamental questions in a job interview are straightforward, although they usually do not need to be explained or expanded in detail.
Question 1: DevOps, what is it?
As expected, this is one of the first questions you will have to answer, DevOps, what is it? Your potential employers will probably ask you to explain it in detail in your own words.
To put it simply, DevOps is a philosophical method of shortening the life cycles of development systems. The world itself is a combination of ” development ” and ” operations. ”
DevOps wants to achieve this goal by automating and monitoring events (AND testing!) throughout the entire software development process.
Question 2: What are the most popular DevOps software development tools?
Git, Jenkins, Docker, and Selenium are some of the most popular tools used for DevOps software development.
Question 3: What are the main differences with Agility?
DevOps and Agility often go hand-in-hand with or against each other. Likely, one of the frequently asked questions in a DevOps job interview is to compare and contrast the differences between the two.
One of the main differences between the two is that while Agility is entirely time-oriented, DevOps places the same kind of emphasis on time and quality. This way, they ensure to deliver of something on time and at the best possible rate.
Another big difference is when it comes to feedback, Agility relies exclusively on customers, while DevOps uses self-monitoring. Both methods have valid arguments to support each other, but self-control is considered the best option. This is because it is a much more objective way of detecting potential problems.
In addition, much faster reaction times can be achieved with self-monitoring compared to customer feedback.
Question 4: What is version control?
People consider this one of the most straightforward job interview questions. Version control is a way to easily track all previous versions of specific files.
Question 5: What are the 4 critical components of DevOps?
Integration, testing, delivery and monitoring. All of these methods have the continuity tag built into them. These don’t just happen once or twice but are ongoing processes.
Question 6: What are the programming languages used in DevOps?
Mainly Ruby. But Python can also be used.
Question 7: How does AWS fit into DevOps?
This is one of the questions in a job interview about AWS DevOps. You will probably come across one of these since AWS is important in DevOps.
AWS Acronym for “Amazon Web Services.” It ensures enterprise scalability by utilizing enormous (limitless ) amounts of resources and energy.
AWS is used by many companies to power their products and their delivery. DevOps is simply the method by which it is used.
Question 8: What is Extreme Programming?
Extreme Programming (Commonly known as XP ) is a software development method. XP’s main objective is customer satisfaction; all goals, resolutions and work methods point to this single objective.
Many companies that use DevOps also implement XP.
Question 9: What is a “design pattern”?
This is one of many standard terms people working with the DevOps model should be familiar with. Because of this, it will likely be included in the questions in a DevOps job interview.
To put it simply, a design pattern is a solution to some kind of problem that the developer has encountered.
These patterns help new developers avoid potential problems or inconveniences by showing possible ways and solutions.
There are three types of design patterns that developers refer to behaviour, creativity, and structure.
Question 10: What is CBD?
CBD, or Component-Based Development, is a unique way to approach product development.
With CBD, developers look for existing, well-designed, proven components to form a new and original product. This is done instead of the usual procedure, which is to make a product from scratch.
More detailed DevOps job interview questions
Now that you have a much more detailed understanding of DevOps job interview questions, we can move on to much more advanced ones. The ” advanced ” part of these questions is that they usually require a detailed explanation or there is some kind of expansion.
Pregunta 1: Explicar “branching”
One of the most common questions in a DevOps job interview, your explanation will demonstrate both your knowledge and experience in previous jobs.
There are three types of branching, task, feature, and release branching.
Task includes each task in different derivations, with the critical functions including the leading names. Feature stores changes and modifications within a derivation. When the feature work is finished, the features’ derivation will become part of the main files. Finally, Release allows you to clone a derivative so that when it is released, you can still make changes to the clone.
Question 2: How to copy Jenkins to another server?
Potential employers may ask various questions in a job interview related to this topic and expect multiple answers. This can be somewhat complicated because there are different methods to do it. However, I will tell you about one of the easiest methods to copy Jenkins from one server to another.
The easiest way to achieve this is to copy the working directory and simply rename it. Then you just transfer the new working directory to the other server.
Question 3: Name three methods you would use to secure Jenkins
Of all the questions in a DevOps job interview, this offers you freedom of choice. It can give you some suggestions regarding possible answers to this question:
- Run regular security audits.
- Configure an access limit to data stored in Jenkins.
- Make sure the global security option is enabled.
Question 4: Describe “test automation”
By default, manual systems are used to test them. This means that many human resources are required, and there is a much higher probability of errors. However, test automation allows the implementation of automated processes that test the systems on your behalf.
Question 5: What are the main benefits of “test automation”?
There are several benefits to making use of test automation within a workspace. Therefore, I will give you some of the most well-known examples.
- As I mentioned before, errors are very unlikely to occur.
- It allows you to save time and money.
- It allows you to perform extensive tests that would otherwise take too much time.
Question 6: What is Memcached?
Memcached is an open-source object memory caching system. Memcached is typically used to avoid repetitive SQL data capture tasks that might otherwise traditionally take a lot of time.
Question 7: How can you update the Memcached if some data changes?
This is one of the hundreds of similar DevOps job interview questions. Specific topics like Memcached usually have extension questions, so it’s a good idea to prepare for as many of them as possible.
There are two ways to update the Memcached in this type of scenario. You can clear the cache after each update or reset the keys after an update has occurred.
Question 8: Why is the Continuous Testing component so important for DevOps?
At the beginning of this tutorial, I mentioned the 4 critical components of DevOps, but it is essential to go through each in detail. These are the four pillars on which DevOps is based, and what better way to review them than by studying the frequently asked questions in a DevOps job interview?
Continuous testing allows developers to constantly test after each new update is added to the system. By doing this, the process becomes much more manageable. In other cases, all tests will be booked for the end of each spring, which would cause lengthy delays and wasted time.
Question 9: Is Selenium a good testing tool?
Yes, it is considered one of the best testing tools for operations-based DevOps. Selenium is open source, can be used in different browsers, has a fantastic community, supports distributed testing, and is entirely free.
Question 10: How can you maximize the efficiency of Continuous Integration?
As you’ve probably noticed, this is a popular format used in DevOps job interview questions. The continuous execution of processes is often an essential point for employers.
You can do many things to maximize efficiency in continuous integration. But I will only name a few of the most popular:
- Automate both build and deployment.
- The tests must be carried out in an environment copied exactly (cloned) where the production processes will occur.
- Let everyone observe the construction results; this will improve productivity and facilitate communication processes.
Now that we’ve gone over some of the frequently asked DevOps job interview questions, let’s talk briefly about some general things you might consider in a job interview.
Probably the most critical advice I can give you is not to overthink. We’ve all been in your situation, you really want the job, and as the interview date approaches, you feel increasingly impatient. What if the customer doesn’t like you? Or does he not like your tie? Should you wear a tie? What are ties?
Try to relax; maybe you make it seem more complicated than it really is. Your potential employers will notice if you are nervous or calm; these aspects seriously impact the final result of the interview.
On the other hand, don’t spend too much time studying this guide to frequently asked questions in a DevOps job interview. Researching and preparing are essential, but so are sleeping and resting. If you walk into the interview looking like a zombie who hasn’t slept for a week, it will not help you.
What you can do is push yourself for a week before the interview and when the last day comes, just do nothing.
Yes, I’m completely serious.
This is a popular study method. Doing so allows your brain to rest and recover, both from the large amounts of information and stress. Watch a movie, go for a walk, and try not to think about the interview.
During the interview, there is only one thing you can do, present yourself as you really are. Don’t try to act like an expert; it won’t do any good in the long run. Just be yourself; your interviewers will appreciate it.
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