Top 20 SRE interview questions and answers.
SRE is one of the trending roles in the tech industry these days, although it is much more than buzz. It is a relatively new practice that can be implemented…
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What is DataStax Astra?
DataStax Astra DB simplifies cloud-native application development, and reduces time to install, deploy and scale from weeks to minutes. Astra DB eliminates operational overhead, the biggest obstacle to using Apache…
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What is Couchbase?
Couchbase Server, originally known as Membase, is an open-source, distributed (shared-nothing architecture) multi-model NoSQL document-oriented database software package optimized for interactive applications. These applications may serve many concurrent users by…
Read more »What is Jacoco and How it works? An Overview and Its Use Cases
What is Jacoco? JaCoCo is an open-source toolkit for measuring code coverage in a code base and reporting it via visual reports. It is quite popular among a variety of…
Read more »What is Junit and How it works? An Overview and Its Use Cases
History & Origin of Junit JUnit was born on a flight from Zurich to Atlanta in 1997 for OOPSLA. Kent Erich was flying with Gamma, and what else were the…
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What is Selendroid and How it works? An Overview and Its Use Cases
History & Origin of Selendroid The Selenium is a collection of different tools and has contributions from different notable people. The long history of the selenium project has different stages…
Read more »What is Testlink and How it works? An Overview and Its Use Cases
History & Origin of Testlink TestLink was created by Chad Rosen, a software developer for Good Technology in the early 2000s. Rosen came up with the idea of creating a…
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What is TeamCity and How it works? An Overview and Its Use Cases
History & Origin of TeamCity TeamCity is a build management and continuous integration server from JetBrains. It was first released on October 2, 2006, and is commercial software and licensed…
Read more »Top 50 Pagerduty Interview Questions & Answer
1) If you were asked to review a colleague’s code that they had written, what key things would you look for? For this question, your interviewer will obviously be looking…
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What is Jenkins and How does it work? An Overview and Its Use Cases
History & Origin of Jenkins The Jenkins project was started in 2004 (originally called Hudson) by Kohsuke Kawaguchi, while he worked for Sun Microsystems. Kohsuke was a developer at Sun…
Read more »Top 50 Postfix Interview Questions & Answer
1) What Is Postfix And Default Port Used For Postfix ? Postfix is a open source MTA (Mail Transfer agent) which is used to route & deliver emails. Postfix is…
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What is Cloud Storage?
Cloud storage is a cloud computing model that stores data on the Internet through a cloud computing provider who manages and operates data storage as a service. It’s delivered on…
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What is ClickHouse?
Clickhouse is an open-source columnar-oriented Database Management System (DBMS) used for online analytical processing (OLAP) created by Yandex. Currently, it powers the second largest web analytics platform, Yandex Metrica. It…
Read more »Top 50 Exim Interview Questions & Answer
1) You are not given the tools you need to be successful. How would you change that In Exim? State a business case to your manager / leader as to…
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What is Cassandra?
Apache Cassandra is an open source non-relational, or NoSQL, a database that enables continuous availability, tremendous scale, and data distribution across multiple data centers and cloud availability zones. It is…
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What is BigQuery?
Nowadays, the age of tech big Data information is continuously increasing in volume and variety. This is the information that companies would like to quickly explore to identify strategic answers…
Read more »Top 50 haproxy Interview Questions & Answer
1) Is HAProxy a load balancer? HAProxy (High Availability Proxy) is open source proxy and load balancing server software. It provides high availability at the network (TCP) and application (HTTP/S)…
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