Which of the following types of persistent storage are explicitly supported by OpenStack clouds?

1. Object storage

2. Block storage

3. File system storage

Which commodity storage back-end technology does not support 'thin provisioning'?

Which is used to manage information sources that fulf‌ill the requests from swift-proxy? 1. swift-account 2. swift-container 3. swift-object

Which is correct regarding the 'Sahara' project in OpenStack? 1. It can use NFS shares to store job binaries and data sources through the shared Filesystem service of OpenStack 2. It cannot use Object Storage service of OpenStack to store job binaries and data sources. 3. It does not allow you to create the resources that can be shared across tenants.

Which commodity storage back-end technology is a Linux-based system?

The virtual machine (VM) images can be stored by OpenStack inside an object storage system.

Which is NOT provided by Glance, an OpenStack image service?

In Glance, which is a read-only image store option?

Which Shared File System service is used to manage back-end devices that provide shared file systems?

Which service is provided by the OpenStack project, Ceilometer?

Which OpenStack Block Storage service is responsible for managing back-end devices?