Describe Node Addition POWERFLEX-OPERATE Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   Which command-line interface is used to add a node to a PowerFlex cluster?

   • Apowerflex-cli
   • Bscli
   • Cpscli
   • Ddellemc-cli
   Reveal Solution Discussion Select an answer first
2. 17foundation · easy

   What is a potential impact of adding a node to a PowerFlex cluster on performance?

   • AIt can improve performance by distributing I/O across more nodes
   • BIt has no effect on performance
   • CIt always degrades performance due to increased network traffic
   • DIt only affects storage capacity, not performance
   Reveal Solution Discussion Select an answer first
4. 18expert · hard

   An administrator is adding a new SDS node to a PowerFlex cluster using the CLI. The administrator has already installed the PowerFlex software on the node and configured the network. The administrator runs the 'scli --add_sds' command, but it fails with an authentication error. What is the most likely cause?

   • AThe cluster is in a maintenance mode that prevents node addition.
   • BThe new node is not reachable from the management network.
   • CThe new node's operating system is not compatible with PowerFlex.
   • DThe administrator is not using the correct credentials for the PowerFlex cluster.
   Reveal Solution Discussion Select an answer first
5. 19expert · hard

   An administrator is adding a new SDS node to a PowerFlex cluster. The administrator wants to use the CLI method but is concerned about the lack of automated validation. The cluster is in a maintenance window, and the administrator has limited time. What should the administrator do to mitigate the risk of errors?

   • AProceed with the CLI and rely on the cluster's built-in error handling.
   • BUse the CLI but carefully review the command syntax and parameters before executing.
   • CUse the REST API with a custom script that includes validation checks.
   • DUse PowerFlex Manager instead, as it provides automated validation and pre-checks.
   Reveal Solution Discussion Select an answer first
6. 20expert · hard

   After adding a new SDS node to a PowerFlex cluster, an administrator verifies that the node is 'Active' and 'Healthy' in PowerFlex Manager. However, the administrator notices that the node's storage pool shows a 'degraded' status. What should the administrator do next?

   • ACheck the storage pool's rebalancing status and ensure that data is being distributed to the new node.
   • BRemove the new node from the cluster and re-add it.
   • CIgnore the degraded status because the node is healthy.
   • DReboot the new node to force it to rejoin the storage pool.
   Reveal Solution Discussion Select an answer first