WGU Software-Defined Networking - D415 Questions and Answers Latest Update

WGU Software-Defined Networking - D415 Questions and Answers Latest Update Software-Defined Networking (SDN) - Answers Seeks to introduce flexibility, dynamism and automation into the deployment and management of network object by decoupling and centralizing the network intelligence from the packet-forwarding process. Network Functions Virtualization (NFV) - Answers The concept of moving dedicated network functions from stand-alone appliances to software running on any white box or Commercial off-the-Shelf (COTS) server. Virtual Network Functions (VNFs) - Answers The software implementations of network functions that preform specific network tasks. NFV Infrastructure (NFVI) - Answers The entirety of the hardware and software components that build the environment where the VNFs are deployed. NFV Management and Orchestration (NFV-MANO) - Answers Consists of all functional blocks, data repositories, reference points, and interfaces that are used for managing and orchestrating VNFs and the NFVI. Open Platform (OPNFV) - Answers A collaborative open-source platform that seeks to develop NFV and shape its evolution. OpenStack - Answers An open-source cloud computing platform that has high market penetration. OpenStack Core Modules - Answers Nova, Glance, Keystone, Cinder, Swift, Neutron. OpenStack Nova - Answers Used to create and delete compute instances as required. OpenStack Glance - Answers Synchronizes and maintains VM images across the compute cluster. OpenStack Keystone - Answers Provides authentication for accessing all of OpenStack's services. OpenStack Cinder - Answers Provides block storage used as storage volumes for VMs. OpenStack Swift - Answers Provides object storage that is used to store large amounts of static data in a cluster. OpenStack Neutron - Answers Allows the different compute instances and storage nodes to communicate with each other. OpenStack Management Modules - Answers Horizon, Heat, Celiometer, Ironic, Congress, Designate. OpenStack Horizon - Answers Provides a GUI dashboard, and is by far the most widely deployed management module. OpenStack Heat - Answers Helps expedite orchestration of applications across multiple compute instances by using templates. OpenStack Celiometer - Answers Monitors the NFVI and helps identify bottlenecks and resource optimization opportunities. OpenStack Ironic - Answers A provisioning tool for bare-metal installation of compute capabilities instead of VMs in OpenStack. OpenStack Congress - Answers A policy management framework for the OpenStack environment. OpenStack Designate - Answers Used to point applications in the OpenStack environment to a trusted DNS source. OpenStack Security Modules - Answers Barbican, Murano. OpenStack Barbican - Answers Works with Keystone authentication to manage internal application security by behaving as a key manager. OpenStack Murano - Answers Provides a white list repository of applications. OpenStack Service Modules - Answers Trove, Sahara, Manila, Zaqar, Magnum. OpenStack Trove - Answers Provides a distributed database service and enables users to deploy relational and non-relations database engines. OpenStack Sahara - Answers Formerly called Savanna, provides big data services by providing Elastic MapReduce and the ability to provision Hadoop. OpenStack Manila - Answers Provides Network Area Storage (NAS) solutions for an OpenStack deployment. OpenStack Zaqar - Answers Provides a multi-tenant cloud messaging service. OpenStack Magnum - Answers An umbrella project that provides containerization assistance. SDN Control Plane - Answers Consists of one or more SDN controllers that use open APIs to exert control over the underlying vSwitches or forwarding devices. Southbound Interface - Answers Allows the controller to communicate, interact, and manage the forwarding elements. Northbound Interface - Answers Enables applications in the application layer to program controllers by making abstract data models and other functionalities available to them. East/Westbound Interfaces - Answers Are meant for communication between groups or federations of controllers. SDN Data Plane - Answers Tasked with enabling the transfer of data from the sender to the receiver(s). OpenFlow - Answers A protocol between the control and forwarding layers of an SDN