COA Data Management & Integration 2

Question 1

Which OpenStack service provides shared file system capabilities using protocols like NFS and CIFS?

Accepted Answer

Manila

Answer

Manila is the OpenStack Shared File Systems service that provides shared file storage via NFS, CIFS, and other protocols.

Question 2

When using Swift, what is the maximum size of a single object that can be uploaded without using segmented objects?

Accepted Answer

5 GB

Answer

Swift supports a maximum single object size of 5 GB; larger files must be uploaded as segmented (large) objects using the Swift Large Object feature.

Question 3

A Cinder volume backup differs from a Cinder snapshot in that a backup:

Accepted Answer

Is stored in Swift or an external backup store, independent of the Cinder backend

Answer

Cinder backups are stored in Swift (or another backup driver target), making them independent of the source Cinder backend, unlike snapshots.

Question 4

Which command correctly creates a Cinder volume from an existing snapshot?

Accepted Answer

openstack volume create --snapshot <snapshot-id> --size 10 myvol

Answer

The correct syntax is `openstack volume create --snapshot --size ` to create a volume from a snapshot.

Question 5

In Swift, a container ACL that grants read access to all users would use which setting?

Accepted Answer

X-Container-Read: .r:*

Answer

Setting `X-Container-Read: .r:*` grants public read access to all HTTP clients regardless of authentication.

(COA) Certified OpenStack Administrator Exam Practice Test