openstack/training-guides
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Add a compute node Quiz for the Associate Guide

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Adds first few Q&As for the compute node in the Training Guides - Associate Guide.

Change-Id: I8b02a9c95e6a658110cbadb7a76f0f87b9508462
Partial-Bug: 1352389
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Matjaz Pancur 2014-09-08 17:15:02 +02:00
parent fa156e9579
commit a5ed61765f
1 changed files with 189 additions and 1 deletions
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doc/training-guides/associate-guide/ch_associate-compute-node-quiz.xml
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@ -6,6 +6,194 @@
<title>Compute Node Quiz</title>
<section xml:id="day-one-compute-quiz-schedule">
<title>Day 1, 16:40 to 17:00</title>
<para></para>
<formalpara>
<title>Associate Training Guide, Compute Node Quiz Questions</title>
<para>
<orderedlist>
<listitem>
<formalpara>
<title>Which component determines which host a VM should launch on?</title>
<para>
<orderedlist>
<listitem>
<para>nova-network</para>
</listitem>
<listitem>
<para>queue</para>
</listitem>
<listitem>
<para>nova-compute</para>
</listitem>
<listitem>
<para>nova-console</para>
</listitem>
<listitem>
<para>nova-scheduler</para>
</listitem>
<listitem>
<para>nova-api</para>
</listitem>
</orderedlist>
</para>
</formalpara>
</listitem>
<listitem>
<formalpara>
<title>All compute nodes (also known as hosts in terms of OpenStack) periodically publish
their status, resources available and hardware capabilities: (choose all that apply)</title>
<para>
<orderedlist>
<listitem>
<para>through the queue</para>
</listitem>
<listitem>
<para>with SQL calls to the database</para>
</listitem>
<listitem>
<para>with direct interprocess communication</para>
</listitem>
</orderedlist>
</para>
</formalpara>
</listitem>
<listitem>
<formalpara>
<title>By default, the compute node's scheduler is configured as:</title>
<para>
<orderedlist>
<listitem>
<para>the RAM scheduler</para>
</listitem>
<listitem>
<para>the base scheduler</para>
</listitem>
<listitem>
<para>the chance scheduler</para>
</listitem>
<listitem>
<para>the filter scheduler</para>
</listitem>
<listitem>
<para>the weight scheduler</para>
</listitem>
</orderedlist>
</para>
</formalpara>
</listitem>
<listitem>
<formalpara>
<title>If the compute node is using the filter scheduler, it works by:</title>
<para>
<orderedlist>
<listitem>
<para>filtering hosts by using predefined properties</para>
</listitem>
<listitem>
<para>weighting hosts by applying predefined weights</para>
</listitem>
<listitem>
<para>sorting hosts by using weights to determine host preference list first, then applying filters</para>
</listitem>
<listitem>
<para>filtering hosts first, then using weights to determine host preference</para>
</listitem>
<listitem>
<para>filtering hosts first, then choosing a random host from the filtered list</para>
</listitem>
</orderedlist>
</para>
</formalpara>
</listitem>
<listitem>
<formalpara>
<title>Scheduler always returns a host on which Nova can start the requested VM.</title>
<para>
<orderedlist>
<listitem>
<para>True</para>
</listitem>
<listitem>
<para>False</para>
</listitem>
</orderedlist>
</para>
</formalpara>
</listitem>
<listitem>
<formalpara>
<title>OpenStack provides which classes of block storage? (choose all that apply)</title>
<para>
<orderedlist>
<listitem>
<para>RAM storage</para>
</listitem>
<listitem>
<para>object storage</para>
</listitem>
<listitem>
<para>persistent storage</para>
</listitem>
<listitem>
<para>file storage</para>
</listitem>
<listitem>
<para>SSD storage</para>
</listitem>
<listitem>
<para>ephemeral storage</para>
</listitem>
<listitem>
<para>disk storage</para>
</listitem>
</orderedlist>
</para>
</formalpara>
</listitem>
<listitem>
<formalpara>
<title>Persistent volumes can be used by more than one instance at the same time:</title>
<para>
<orderedlist>
<listitem>
<para>True</para>
</listitem>
<listitem>
<para>False</para>
</listitem>
</orderedlist>
</para>
</formalpara>
</listitem>
</orderedlist>
</para>
</formalpara>
<formalpara>
<title>Associate Training Guide, Compute Node Quiz Answers</title>
<para>
<orderedlist>
<listitem>
<para>e (nova-scheduler)</para>
</listitem>
<listitem>
<para>a (through the queue) - This increases scalability.</para>
</listitem>
<listitem>
<para>d (the filter scheduler)</para>
</listitem>
<listitem>
<para>d filtering hosts first, then using weights to determine host preference</para>
</listitem>
<listitem>
<para>b (False) - Scheduler can also return an error (no suitable host for the requested VM).</para>
</listitem>
<listitem>
<para>c (persistent storage), f (ephemeral storage) - The question is about OpenStack's block storage classes.</para>
</listitem>
<listitem>
<para>b (False)</para>
</listitem>
</orderedlist>
</para>
</formalpara>
</section>
</chapter>