Technical Interview Questions
Three most important DevOps KPIs are: Deployment frequency Percentage of failed deployments Mean time to failure recovery Key Performance Indicators (KPIs) in DevOps help measure the effectiveness and efficiency of processes, tools, and teams involved in software development and deployment. Here are three important DevOps KPIs: Lead Time: Lead time refers to the duration it … Read more
Some most essential network monitoring tools are: Nagios OpenNMS Splunk Icinga 2 Wireshark For a DevOps interview question about network monitoring tools, you can mention several popular options commonly used in the industry. Here are some examples: Nagios: Nagios is a widely-used open-source monitoring system that monitors systems, networks, and infrastructure. Zabbix: Zabbix is another … Read more
PTR is a pointer record that is used for a reverse DNS lookup. In DNS (Domain Name System), PTR (Pointer) records serve the reverse DNS lookup process. While regular DNS records map domain names to IP addresses (forward lookup), PTR records map IP addresses to domain names (reverse lookup). The primary use of PTR records … Read more
The two-factor authentication is a security method in which the user provides two ways of identification from separate categories. For a DevOps interview question about two-factor authentication (2FA), you would want to provide a concise yet comprehensive explanation. Here’s a suitable answer: “Two-factor authentication (2FA) is a security process that requires users to provide two … Read more
Here are some cloud computing platform used for DevOps implementation, such as: Google Cloud Amazon Web Services Microsoft Azure The correct answer to this question may vary depending on the context and the specific requirements of the organization. However, as of my last update in January 2022, some of the major cloud platforms commonly used … Read more