IBM Site Reliability Engineer Interview Questions and Answers

Basic apti questions we used to see in all interviews

Simple array and string problems

Q1. What is SLI and SLO ? Tell us how did you set up or used SLI SLO in your day to day task ?
Ans. 
SLI stands for Service Level Indicator and SLO stands for Service Level Objective. They are used to measure and define the reliability of a service.
• SLI is a metric that measures the performance of a service, such as latency or availability.

• SLO is a target value or range for a specific SLI that defines the acceptable level of reliability for a service.

• Setting up SLI involves defining the metrics to be measured and colle...read more
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Q2. What are your day to day activities as SRE?
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Q3. How to integrate application to observability tools like Grafana ?
Ans. 
Integrating applications to observability tools like Grafana involves setting up data sources and creating dashboards.
• Configure data sources in Grafana to connect to the application's metrics

• Create custom dashboards in Grafana to visualize the application's performance

• Use Grafana plugins or APIs to enhance monitoring capabilities
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Q1. How did you handled production issue ? what all steps you take to handle production issue.
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Q1. On cicd pipeline
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Q2. Kubernetes
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Q1. Linux basic questions
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Q2. Monitoring tools
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Q1. Write terraform code for vpc and subnet
Ans. 
Terraform code for creating VPC and subnet
• Define VPC resource with CIDR block

• Create subnet within VPC with CIDR block

• Associate subnet with VPC
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Q1. Are you comfortable working in hybrid mode?
Ans. 
Yes, I am comfortable working in hybrid mode.
• I have experience working in both on-premises and cloud environments.

• I am familiar with managing hybrid infrastructure setups.

• I am comfortable with integrating and troubleshooting hybrid systems.

• I have strong communication skills to collaborate with teams working in different environments.
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Q1. Situation based questions
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Q2. Scenarios based questions
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Q1. Difference between SRE and DevOps
Ans. 
SRE focuses on reliability and stability of systems, while DevOps focuses on collaboration and automation.
• SRE is a specialized role within operations that focuses on ensuring the reliability, availability, and performance of systems.

• DevOps is a cultural and organizational practice that emphasizes collaboration between development and operations teams, as well as automation of processes.

• SRE typically involves creating a...read more
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Basic apti questions we used to see in all interviews

Simple array and string problems

Basics Unix,SQL and splunk, Jenkin is required

Q1. Join query in sql
Ans. 
A join query in SQL is used to combine rows from two or more tables based on a related column between them.
• Use JOIN keyword to specify the tables to be joined

• Specify the columns to be joined on using ON keyword

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
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Q2. CI/CD pipeline required
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In Splunk, creating dashboard and alerts