Identify the Impact of Applying Deduplication and Compression. VXRAIL-DESIGN Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   Which statement accurately describes a potential performance impact of enabling deduplication and compression on a VxRail cluster?

   • AWrite performance may decrease because data must be processed before being stored.
   • BRead performance always improves because data is smaller and fits in cache.
   • CBoth read and write performance are completely unaffected.
   • DNetwork performance improves because less data is transferred between nodes.
   Reveal Solution Discussion Select an answer first
2. 12expert · hard

   A VxRail cluster runs a mix of workloads: a database with high I/O and a file server with many duplicate files. The nodes have 25% CPU utilization and 50% memory utilization. The architect wants to enable deduplication and compression. What is the primary concern?

   • AThe database workload may experience increased latency due to deduplication overhead.
   • BThe nodes will run out of CPU capacity, causing the cluster to fail.
   • CMemory utilization will increase dramatically, causing performance issues.
   • DThe file server will not benefit from deduplication because it has many duplicate files.
   Reveal Solution Discussion Select an answer first
4. 13application · medium

   A VxRail cluster has nodes with 8 cores and 128 GB RAM. The storage team enables deduplication and compression. The CPU utilization increases from 40% to 75%. What is the most likely cause?

   • AThe memory is insufficient, causing the system to use swap space.
   • BThe storage is too slow, causing the CPU to work harder.
   • CThe deduplication and compression processes are consuming additional CPU cycles.
   • DThe network is saturated, causing the CPU to wait for data.
   Reveal Solution Discussion Select an answer first
5. 14foundation · easy

   Which statement about the impact of deduplication and compression on VxRail node memory usage is correct?

   • AMemory usage decreases because data is smaller and requires less cache.
   • BMemory usage increases only during the initial configuration and then returns to normal.
   • CMemory usage increases because deduplication and compression require additional metadata and lookup structures.
   • DMemory usage is unaffected because deduplication and compression only use CPU.
   Reveal Solution Discussion Select an answer first
6. 15application · medium

   A VxRail cluster has nodes with 16 cores and 256 GB RAM each. The storage team plans to enable deduplication and compression. The current CPU utilization is 60%. What is the most important factor to consider before enabling the features?

   • AWhether the RAM is sufficient for the deduplication hash tables.
   • BWhether the network bandwidth is sufficient for the deduplication process.
   • CWhether the storage is SSD or HDD.
   • DWhether the remaining CPU capacity can handle the deduplication and compression overhead.
   Reveal Solution Discussion Select an answer first