diff --git a/doc/training-guides/associate-guide/ch_associate-compute-node-quiz.xml b/doc/training-guides/associate-guide/ch_associate-compute-node-quiz.xml index 0ba885a2..538345fb 100644 --- a/doc/training-guides/associate-guide/ch_associate-compute-node-quiz.xml +++ b/doc/training-guides/associate-guide/ch_associate-compute-node-quiz.xml @@ -6,6 +6,194 @@ Compute Node Quiz
Day 1, 16:40 to 17:00 - + + Associate Training Guide, Compute Node Quiz Questions + + + + + Which component determines which host a VM should launch on? + + + + nova-network + + + queue + + + nova-compute + + + nova-console + + + nova-scheduler + + + nova-api + + + + + + + + All compute nodes (also known as hosts in terms of OpenStack) periodically publish + their status, resources available and hardware capabilities: (choose all that apply) + + + + through the queue + + + with SQL calls to the database + + + with direct interprocess communication + + + + + + + + By default, the compute node's scheduler is configured as: + + + + the RAM scheduler + + + the base scheduler + + + the chance scheduler + + + the filter scheduler + + + the weight scheduler + + + + + + + + If the compute node is using the filter scheduler, it works by: + + + + filtering hosts by using predefined properties + + + weighting hosts by applying predefined weights + + + sorting hosts by using weights to determine host preference list first, then applying filters + + + filtering hosts first, then using weights to determine host preference + + + filtering hosts first, then choosing a random host from the filtered list + + + + + + + + Scheduler always returns a host on which Nova can start the requested VM. + + + + True + + + False + + + + + + + + OpenStack provides which classes of block storage? (choose all that apply) + + + + RAM storage + + + object storage + + + persistent storage + + + file storage + + + SSD storage + + + ephemeral storage + + + disk storage + + + + + + + + Persistent volumes can be used by more than one instance at the same time: + + + + True + + + False + + + + + + + + + + Associate Training Guide, Compute Node Quiz Answers + + + + e (nova-scheduler) + + + a (through the queue) - This increases scalability. + + + d (the filter scheduler) + + + d filtering hosts first, then using weights to determine host preference + + + b (False) - Scheduler can also return an error (no suitable host for the requested VM). + + + c (persistent storage), f (ephemeral storage) - The question is about OpenStack's block storage classes. + + + b (False) + + + +