OpenStack Study Guide 2026
Everything you need to pass the OpenStack exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📚 OpenStack Topics to Study (21)
✍️ Sample OpenStack Questions & Answers
1. What is the 'visibility' property of a Glance image?
Glance image visibility controls access: 'public' images are available to all tenants, 'private' only to the owner.
2. What does ML2 stand for in the context of Neutron's plugin architecture?
ML2 stands for Modular Layer 2, a framework that allows OpenStack Neutron to use multiple Layer 2 technologies simultaneously.
3. What is a Nova 'availability zone' used for?
Nova availability zones allow users to specify which logical partition of compute resources to deploy instances into.
4. What is QoS (Quality of Service) used for in Neutron?
Neutron QoS policies allow administrators to set bandwidth limits, minimum bandwidth guarantees, and DSCP marks on network ports.
5. What is VXLAN in the context of OpenStack Neutron overlay networks?
VXLAN (Virtual Extensible LAN) encapsulates Layer 2 Ethernet frames within UDP packets, enabling large-scale overlay networks.
6. Which OpenStack CLI command lists all Neutron networks visible to your project?
The 'openstack network list' command displays all networks accessible to the current project.