OpenStack OpenStack MCQ 3

Question 1

What does the 'nova-conductor' service do in OpenStack?

Accepted Answer

Acts as a database proxy to reduce direct DB access from compute nodes

Answer

nova-conductor mediates database access from compute nodes, improving security by preventing direct DB connections.

Question 2

Which Cinder backend driver is commonly used for local LVM-based block storage?

Accepted Answer

cinder.volume.drivers.lvm.LVMVolumeDriver

Answer

LVMVolumeDriver uses Linux LVM to carve out logical volumes as Cinder block storage on the local host.

Question 3

In OpenStack Neutron, what is the role of a 'router'?

Accepted Answer

Connects tenant networks to external networks and routes traffic between subnets

Answer

A Neutron router connects internal tenant subnets to each other and to external networks for internet access.

Question 4

What is the default hypervisor used by OpenStack Nova?

Accepted Answer

KVM

Answer

KVM (Kernel-based Virtual Machine) is the default and most widely used hypervisor for OpenStack Nova compute.

Question 5

Which OpenStack service provides container cluster management (Kubernetes, Docker Swarm)?

Accepted Answer

Magnum

Answer

Magnum provisions and manages container orchestration engines like Kubernetes and Docker Swarm as first-class resources.

OpenStack Practice Test