Practice Exam Questions Fully Solved.
Nova (Compute) - Answer Provides foundation for handling the compute resources of a cloud. Enables
creation, scheduling, and management of VM instances across a cluster of nodes.
Neutron (networking) - Answer Manages network resources in an OpenStack cloud. Provides the ability
to create and manage virtual networks, routers, load balancers, and other network services.
Cinder (Block storage) - Answer Allows users to create and manage block storage volumes that can be
attached to VMs for persistent storage
Swift (Object storage) - Answer Allows users to store and retrieve large amounts of unstructured data.
Designed for scalability and durability.
Glance (Image service) - Answer Stores, catalogs, and retrieves VM images, making them available for
deployment.
Horizon (Dashboard) - Answer Provides GUI for users/admins to manage the various OpenStack
services
Keystone (Identity service) - Answer IAM service that provides directory of users, roles, and
permissions in OpenStack. Offers authentication, token issuance, and access control.
Heat (Orchestration) - Answer Define and manage cloud application stacks as templates.
Ceilometer (Telemetry) - Answer Collects metering and usage data. Helps monitor and analyze resource
usage
Trove (Database service) - Answer Offers database as a service
, Ironic (bare metal) - Answer Used for managing bare metal appliances
Magnum (Container Orchestration) - Answer Enables management of container orchestration engines,
such as Kubernetes, providing users with the ability to deploy and manage containerized applications
Barbican (Key Management) - Answer Provides management, generation, and storage of
keys/certs/other sensitive items. Plays a crucial role in safeguarding sensitive information and
maintaining data privacy and security
SDN - Answer Focuses on network control and management
SDN - Answer Separates control plane from the data plane
SDN - Answer Centralizes control by using a centralized controller that manages the network
SDN - Answer Network devices are considered "dumb"
SDN - Answer Used to optimize network performance, improve agility, and enable innovative
appliactions
SDN - Answer Particularly useful in datacenters, clouds, and situations requiring network flexibility
NFV - Answer Focuses on virtualizing and consolidating network functions
NFV - Answer Aims to replace hardware-based network appliances
NFV - Answer Virtualizes network functions and running them on standard servers, reducing the need
for dedicated hardware appliances.
NFV - Answer Functions deployed as Virtual Network Functions (VNF's) and can be dynamically
deployed and scaled