System Reliability Engineer Interview Questions and Answers

Updated 1 Dec 2024

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Q1. What will you do if you need to troubleshoot why wifi not working

Ans.

I would start by checking the wifi settings, restarting the router, and testing the connection on other devices.

Check wifi settings on the device to ensure it is connected to the correct network
Restart the router to see if that resolves the issue
Test the wifi connection on other devices to determine if the problem is with the device or the network

Ans.

Yes, I have experience with virtualization.

I have worked with virtual machines using VMware and VirtualBox.
I have experience with containerization technologies like Docker and Kubernetes.
I have set up virtual networks for testing and development purposes.
I have used virtualization to create isolated environments for different projects.

Ans.

I am a system reliability engineer with expertise in virtualization, which is the process of creating a virtual version of a device or resource.

Virtualization allows multiple operating systems to run on a single physical machine.
It helps in optimizing resources, improving scalability, and enhancing security.
Examples include VMware, Hyper-V, and VirtualBox.
Types of virtualization include server virtualization, desktop virtualization, and network virtualization.

Ans.

Reliability metrics are measurements used to assess the performance and dependability of a system.

Mean Time Between Failures (MTBF) - average time between failures of a system
Mean Time To Repair (MTTR) - average time taken to repair a system after a failure
Availability - percentage of time a system is operational and available for use
Failure Rate - frequency at which a system fails over a period of time
Reliability Block Diagram (RBD) - graphical representation of system relia...read more

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Ans.

Weibull analysis calculations formulae

Weibull analysis is used to analyze the life data of components or systems
The Weibull distribution is commonly used to model reliability data
The formula for the Weibull distribution is: f(x) = (c/b) * ((x - a)/b)^(c-1) * e^(-((x - a)/b)^c)
Parameters in the formula: a = location parameter, b = scale parameter, c = shape parameter
Weibull analysis can help in predicting failure rates and optimizing maintenance strategies

Ans.

The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.

The OSI model stands for Open Systems Interconnection model.
It helps in understanding how different networking protocols work together.
The seven layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
Each layer has specific functions and communicates with the adjacent layers.
For example, HTTP operates at the ...read more

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