HP2-N36 試験問題を無料オンラインアクセス

When is a backup recommended? (Select two.)

• A.any time large amounts of data have been added, updated, or deleted
• B.prior to starting the Vertica cluster
• C.prior to shutting down the cluster
• D.prior to upgrading Vertica
• E.any time data is added, updated, or deleted

What does an event-based window do?

• A.evaluates the values of a given set of variables and groups those values into a window
• B.increments a counter based on whether an expression evaluates as true
• C.enables analysis of two series of data when their measurement intervals do not align precisely
• D.enables identification of a sequence of defined events

What is the process for online recovery of a failed node? (Select two.)

• A.The recovered node must be rebuilt from epoch 0.
• B.The recovered node uses spread to speed up the recovery process.
• C.The recovered node restores all files from the last backup.
• D.The recovered node gathers the necessary files from nodes with its buddy projections.
• E.The recovered node verifies that it is current once a recovery cycle completes.

What is the process to add hosts to an existing cluster? (Select two.)

• A.Install Vertica on the new hosts.
• B.Redistribute data to the new host(s).
• C.Restart spread on all hosts in the cluster.
• D.Recreate all projections on the new hosts
• E.Update spread. conf on the new host(s) only.

What are the actions of the mergeout task? (Select three.)

• A.Mergeout moves data from memory to disk.
• B.Mergeout writes data to memory.
• C.Mergeout purges deleted data already on disk.
• D.Mergeout consolidates containers on disk.
• E.Mergeout rewrEtes all ROS containers.
• F.Mergeout places data into all defined projections on the source table.