Authentication-related services in OpenStack are provided by the keystone project, and keystone's own back-end storage The storage is driven by SQL by default, and it also provides the docking capability of other heterogeneous storages, such as Connecting to LDAP is convenient for unified management and maintenance of identity information data within the enterprise.

• A.TRUE
• B.FALSE

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A VM on FusionCompute fails to migrate. Which of the following options will not cause the failure?

• A.The source host is in maintenance mode
• B.Make virtual machine and host binding
• C.DPM is not enabled
• D.The destination host is unavailable

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Which of the following descriptions about port groups in FusionCompute are correct? ( many)

• A.A port group is a distributed virtual switch.
• B.A port group can be configured with multiple IP addresses.
• C.There are two types of A port group: common and trunk.
• D.All virtual ports in the port group have the same attributes

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Failed to create a virtual machine on ManageOne ServiceCenter. Use ssh to log in to the FusionSphere OpenStack background to view logs. Which of the following paths should be viewed? (Multiple choice)

• A./var/fusionsphere/operate/cinder-api
• B./var/log/fusionsphere/componcnt/nova-api
• C./var/log/fusionsphere/componcnt/cinder-api
• D./var/fusionsphere/operate/nova-api

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ManageOne ServiceCenter supports disaster recovery, production site and disaster recovery site can synchronize ServiceCenter dat a. After a disaster occurs, the disaster recovery site can be automatically started.

• A.True
• B.False

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