Your company uses Bigtable for a user-facing application that displays a low-latency real-time dashboard. You need to recommend the optimal storage type for this read-intensive database. What should…

Question

Options

• ARecommend solid-state drives (SSD).
• BRecommend splitting the Bigtable instance into two instances in order to load balance the
• CRecommend hard disk drives (HDD).
• DRecommend mixed storage types.

• A
  70% (16)
• B
  17% (4)
• C
  4% (1)
• D
  9% (2)

Explanation

Cloud Bigtable offers two storage types: SSD and HDD. For a user-facing application requiring low latency and high read throughput, SSD is the correct choice. SSDs provide single-digit millisecond read latencies, making them ideal for real-time dashboards. HDDs (C) are significantly slower and suited for batch analytics workloads where cost matters more than latency. Splitting the instance into two (B) is a scaling strategy for write throughput, not a storage-type recommendation, and would not improve read latency. Mixed storage types (D) is not a standard Bigtable configuration option - a Bigtable instance uses one storage type.

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