WGU D415 COMPREHENSIVE REVIEW SET
2026 RELIABLE SOLUTIONS GRADED A+
⫸ 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
2026 RELIABLE SOLUTIONS GRADED A+
⫸ 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
