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Showing posts from June, 2017

DevOps quiz beginner questions useful for AWS job seekers

According to EDUREKA-DevOps is a philosophy, a cultural shift that merges operations with development and demands a linked toolchain of technologies to facilitate collaborative change.
Why DevOps needed... Since the DevOps philosophy is still at a very nascent stage, application of DevOps as well as the bandwidth required to adapt and collaborate, varies from organization to organization, yet we can talk about a winning formula of skills that can present you as a perfect candidate for any type of organization.

On top of fluency in web languages such as Ruby, Python, PHP or Java, the ideal DevOps engineer should have some experience using infrastructure automation tools like Chef, Puppet, Ansible, SaltStack or Windows PowerShell DSC.

I have given a quiz with 11 most poular questions. This is very useful to understand the concept of DevOps Quickly.

Top 8 AWS interview Questions for quick revision

Q1. Explain Elastic Block Storage? What type of performance can you expect? How do you back it up? How do you improve performance?
A1. EBS is a virtualized SAN or storage area network. That means it is RAID storage to start with so it’s redundant and fault tolerant. If disks die in that RAID you don’t lose data. Great! It is also virtualized, so you can provision and allocate storage, and attach it to your server with various API calls. No calling the storage expert and asking him or her to run specialized commands from the hardware vendor. Performance on EBS can exhibit variability. That is it can go above the SLA performance level, then drop below it. The SLA provides you with an average disk I/O rate you can expect. This can frustrate some folks especially performance experts who expect reliable and consistent disk throughput on a server. Traditional physically hosted servers behave that way. Virtual AWS instances do not. Backup EBS volumes by using the snapshot facility via API call …