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Exam AWS Certified Solutions Architect - Associate SAA-C02 topic 1 question 615 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C02
Question #: 615
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C02 Questions]

A company is developing an internal application that uses a PostgreSQL database. The company decides to host the database on Amazon Aurora. The application does not need to be highly available, but data must be stored in multiple Availability Zones.
Which database configuration meets these requirements MOST cost-effectively?

  • A. An Aurora PostgreSQL global database cluster
  • B. An Aurora PostgreSQL DB cluster that has a single DB instance
  • C. An Aurora PostgreSQL DB cluster that has a primary DB instance and a read replica
  • D. Two Aurora PostgreSQL DB clusters, with each DB cluster in a separate Availability Zone
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Suggested Answer: B 🗳️
by praveenas400 at Sept. 22, 2022, 2:19 p.m.
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BECAUSE
1 year, 11 months ago
Selected Answer: B
B is the answer
upvoted 1 times
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jxp09
2 years, 7 months ago
Selected Answer: B
the ans is B
upvoted 3 times
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rodriiviru
2 years, 7 months ago
Selected Answer: C
An Amazon Aurora DB cluster consists of a DB instance, compatible with either MySQL or PostgreSQL, and a cluster volume that holds the data for the DB cluster, copied across three Availability Zones as a single, virtual volume. https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Aurora.CreateInstance.html
upvoted 1 times
rodriiviru
2 years, 7 months ago
sry, the answer is B
upvoted 2 times
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praveenas400
2 years, 7 months ago
Answer B. An Aurora PostgreSQL DB cluster that has a single DB instanc
upvoted 1 times
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praveenas400
2 years, 7 months ago
Aurora single DB instance cluster by default stored in multi AZ. High availability for Aurora data Aurora stores copies of the data in a DB cluster across multiple Availability Zones in a single AWS Region. Aurora stores these copies regardless of whether the instances in the DB cluster span multiple Availability Zones. For more information on Aurora, see Managing an Amazon Aurora DB cluster. When data is written to the primary DB instance, Aurora synchronously replicates the data across Availability Zones to six storage nodes associated with your cluster volume. Doing so provides data redundancy, eliminates I/O freezes, and minimizes latency spikes during system backups. Running a DB instance with high availability can enhance availability during planned system maintenance, and help protect your databases against failure and Availability Zone disruption. For more information on Availability Zones, see Regions and Availability Zones. https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.AuroraHighAvailability.html
upvoted 4 times
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