Amazon Database Interview Questions and Answers

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Q: For an application with constant traffic of reads, which throughput is opted?

answered Apr 6 in Amazon Database by sharadyadav1986

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Q: In columnar database, compression of data is easy.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: Aurora is ________ times faster than the regular MySQL database.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: Aurora is ________ times faster than the regular PostgreSQL database.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: Aurora can scale up to ___________.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: Reserved DB instances can be purchased for ________ months, similar to EC2.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: Which of the following search queries uses indexes?

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: The maximum number of compute nodes a cluster can have is ____________.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: Can Multi AZ deployment be used for improving performance of DB ?

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: Read replicas can be promoted to become databases on their own.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: A multi-AZ DB will have a little downtime, and a single AZ will be unavailable during the scaling operation.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: Only DNS is provided for the SQL server, and not IPV4.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: ElastiCache for memcached supports snapshots.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: Aurora is both MySQL and Postgre SQL compatible?

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: The service used for migration of database to AWS is ______?

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: Aurora can have upto ________ low-latency replicas in ________ AZs.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: By default, Aurora has ________ configured.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: The availability SLA of Aurora DB is __________

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: ________ is/are used to trigger lambda functions for changes in DynamoDB.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: DynamoDB is backed by _________ type of disks, by default.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: The local secondary index can be created only while creating the table.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: DAX is an in-memory cache for DynamoDB.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: Database backup in S3 is free until 100% of database size.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: For heavy gaming, read-intensive apps, IoT, and video hosting sites, ________ is preferred.

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: Which of the following services can have up to 15 read-replicas?

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: The default duration of the backup window in RDS is ________

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: Which scaling methodology is opted when the load is increased with nearly equal number of reads and writes?

answered Feb 1 in Amazon Database by sharadyadav1986

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Q: Which of the following is the Non-Relational DB service offered by AWS?

answered Feb 1 in Amazon Database by sharadyadav1986

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