OpenStack Interview Questions

OpenStack Interview Questions


OpenStack Beginner

Question
Tell me about your experience with OpenStack. What do you think are the advantages and disadvantages of OpenStack?
                    

Question
What components/projects of OpenStack are you familiar with?
                    

Question
Can you tell me what each of the following components/projects is responsible for?: * Nova * Neutron * Cinder * Glance * Keystone
                    

Question
Describe in detail how you bring up an instance with an IP you can reach from outside the cloud
                    

Question
You get a call from a customer saying: "I can ping my instance but can't connect (ssh) it". What might be the problem?
                    

Question
What types of networks OpenStack supports?
                    

Question
How do you debug OpenStack storage issues? (tools, logs, ...)
                    

Question
How do you debug OpenStack compute issues? (tools, logs, ...)
                    

Question
Are you familiar with TripleO? What benefits it has?
                    
OpenStack Networking

Question
What is a provider network?
                    

Question
What components and services exist in L2 and L3?
                    

Question
What is the ML2 plug-in? Explain its architecture
                    

Question
What is the L2 agent? How it works and what is it responsible for?
                    

Question
What is the L3 agent? How it works and what is it responsible for?
                    

Question
Explain what the Metadata agent is responsible for
                    

Question
How do you debug OpenStack networking issues? (tools, logs, ...)
                    
Advanced

Question
Explain BGP dynamic routing