OpenStack Networking Plugins JN0-214 Practice Questions (Page 4)

Questions 16–20

1. 16expert · hard

   An administrator is troubleshooting why tenant networks are not being created in an OpenStack environment using ML2 with OVS. The Neutron server logs show no errors, but the network creation fails. What is the most likely cause?

   • AThe OVS agent is not running on the compute nodes.
   • BThe core_plugin is set to Linux Bridge instead of ML2.
   • CThe service plugin for VPN is not enabled.
   • DThe VXLAN type driver is not enabled in ml2_conf.ini.
   Reveal Solution Discussion Select an answer first
2. 17foundation · easy

   What is a characteristic of the Open vSwitch (OVS) networking plugin in OpenStack?

   • AIt provides a virtual switch with support for features like VLANs, VXLAN, and OpenFlow
   • BIt does not support network namespaces
   • CIt uses the standard Linux bridge for virtual switching
   • DIt is only compatible with physical switches from a single vendor
   Reveal Solution Discussion Select an answer first
4. 18foundation · easy

   In OpenStack Neutron, what is the primary role of a networking plugin?

   • ATo store network configuration data in a database
   • BTo authenticate users and authorize network operations
   • CTo implement the actual networking functionality for L2 and L3 services
   • DTo provide a user interface for managing network resources
   Reveal Solution Discussion Select an answer first
5. 19foundation · easy

   Which statement accurately describes the ML2 plugin architecture?

   • AIt requires a separate core plugin for each network type
   • BIt only supports Open vSwitch as the backend
   • CIt separates the core plugin from mechanism drivers to support multiple backends
   • DIt uses a single monolithic plugin for all network backends
   Reveal Solution Discussion Select an answer first
6. 20expert · medium

   A cloud provider wants to offer both basic L2 networking and advanced services like load balancing and VPN. They are planning the Neutron configuration. Which approach correctly implements both types of services?

   • AConfigure ML2 as both the core plugin and the service plugin.
   • BConfigure ML2 as the core plugin and enable Octavia and VPNaaS as service plugins.
   • CConfigure OVS as the core plugin and enable ML2 as a service plugin.
   • DConfigure Linux Bridge as the core plugin and enable OVS as a service plugin.
   Reveal Solution Discussion Select an answer first