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Chef Interview Questions And Answers
The Chef is used in organizations where there is a need for cloud infrastructure automation. It is used by various companies across the world. And thus, the chef online course will help the individuals to learn about the standalone chef, hosted chef, public chef, workstation setup, convergence, node objects, data bags, execute resources, and directories. It is expected to develop to more than $5 billion by 2023, from just $180 million as per the reports. It is a growing industry so that the job opportunities are increasing day by day.
Here, we provide a list of Chef questions and answers that might help you to get a good job in the industry. These questions are prepared by experienced industry experts.
Here Are The Top Interview Questions And The Tips In Facing The Interview.
1. What is Chef?
Chef is a well-structured management tool that is used to transfer the infrastructures into codes.You can develop and use the scripts for automation and IT processes, with the help of Chef.
2.What are the primary Components of Chef?
Chef node, Chef server, and Chef workstation.
3. What is the Chef node?
It is the hosting element of the chef tool that is managed through the chef-client and is responsible to share data across the network.
4. What is the Chef server?
It is referred to as the center of the chef tool and is necessary for storing necessary data and configuring nodes.
5. What is Chef workstation?
It is the modifying host for the data and cookbooks.
6. What is the Chef resource?
It is the crucial aspect of the infrastructure which is used to install and run a service.
7. What are the functions of Chef resources?
- Describe a configured item.
- Group the resources into recipes.
- Choose resources like services, packages, and templates.
- List down the properties of the resources.
8. What is a recipe in the Chef tool?
It is often described as a group of resources. It contains all the information required to configure an aspect of the system.
9. What are the functions of the recipe?
- Install and manage components of the software.
- Deploy applications in chief.
- Manage System files
- Execute other recipes in the system.
10. What are the steps to update the Chef cookbook?
Step 1- Go to the workstation to run the knife SSH.
Step 2- Run both Chef Client and knife SSH directly on the server.
Step 3- You can consider and utilize the Chef Client as a daemon to restart the service.
11. What will happen if the action is not defined in Chef resources?
If the action is not defined in Chef resources, it will automatically choose a default action for itself.
12. What is the run list in the Chef?
The Chef can be described as the list of roles and responsibilities of the recipes in order to define which recipe needs to run in which order. It is necessary to have a run list when you are dealing with multiple cookbooks in the Chef.
13. What are the advantages of using a run list?
The advantages of using the run list are,
- Transfer the workstation to the Chef server.
- It specifies the node on which recipes will run.
- Ensure recipes are runningin the same order as specified.
14. What instructions do you need to perform the Bootstrap in Chef?
To perform the Bootstrap in Chef, you need,
- Public IP address or hostname.
- Account ID and password to log into the node.
- You can use the keyword authentication instead of password and ID.
15. What is DK in Chef?
DK is the server station that is used to interact with the system. There are pre-installed tools in it which makes the interaction much easier and effective.
16. What is the Chef repository?
It is a collection of cookbooks, environments, data bags, roles, and more.
17. What is the test kitchen in Chef?
Test kitchen is a tool used to enable cookbooks on the server. It also helps in creating virtual machines on the cloud.
18. What are the advantages of the test kitchen?
The advantages of test kitchen are,
- It helps you to run cookbooks on the server.
- It speeds up the overall development cycle.
- It allows you to use various virtualization providers that create virtual machines.
19. What is the signature header?
It is crucial to validate the interaction existing between the Chef server and the node.
20. Describe the starter kit in the Chef?
It is used to configure files in the chef tool. It is used to get the clear information for the configuration process.
20. Describe the starter kit in the Chef?
It is used to configure files in the chef tool. It is used to get the clear information for the configuration process.
21. What is ChefDK?
It is a software development kit that is used to develop and test the cookbooks.
22. What is ta he difference between Chef and Ansible?
Though both of them have similarities, they have different structures, drawbacks, benefits, etc. The configuration files are known as cookbooks in Chef, but it is known as playbook in Ansible. Chef operates on client-server but Ansible is agentless.
23. What is Source of truth?
Source of truth is the process of structuring information modules and data in a way that every data is edited at a single place.
24. What is Orchestration tool?
Orchestration tool is defined as a way to represent complex systems and models in the easiest manner.
25. What is Chef Repo?
It is a directory that is pre-installed in your chef workstation and is used to store data bags, environments, and roles.
26. What is the Chef operator?
It can be defined as a process to analyze and ensure every request that is made from the client-serverto the chef-server is authentic.
27. What are the data bags in Chef?
Data bags are the variables that basically store the JSON data and can be accessedthrough the chef server.
28. Where do you store cookbooks in the Chef?
Cookbooks are stored in the bookshelf directory of Chef which can be customized.
29. What is the Chef template?
It is used to create static files that consist of Ruby statements and expressions.
30. What are the functions of Chef Client?
- To communicate with the central chef server.
- To handle the intimal registration of the node with the central chef server.
- For configuring, it pulls down the cookbooks to apply on the node.
- For fetching new configuration items, it needs periodic polling of the central chef server.
31. Explain Berkfile in Chef.
It is used to define the origins and addiction requires to utilize a cookbook and used in the combination in the command of Berk.
32. What are unattended installs?
It is used to install chef infra Client. It permits chef infra client to install by own without the help of SSH.
33. What is the reference language used by Chef?
Ruby is the reference language used by Chef. It is used to describe the design which is in cookbooks, recipes, and resources.
34. What is used to form Information modules and data?
Sources of truth is a method used to form Information modules and data to edit each data at an exclusive location. Chef servers are known as the source of truth.
35. What is used to create static files?
Chef templates or fixed ruby templates are used to create static files.
36. What is Chef cookbooks?
Chef code is gathered in desired definite artifacts known as Cookbooks. Every cookbookis described as an arranged scheme.
37. How can we gather details concerning nodes for the client-server?
With the help of Ohai. It must be made available at each node. It is deployed like a piece of the procedure of Bootstrap.
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