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An ecommerce company uses Amazon DynamoDB as the backend for its payments system. A new regulation requires the company to log all data access requests for financial audits. For this purpose, the company plans to use AWS logging and save logs to Amazon S3 How can a database specialist activate logging on the database?
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A company is about to launch a new product, and test databases must be re-created from production dat a. The company runs its production databases on an Amazon Aurora MySQL DB cluster. A Database Specialist needs to deploy a solution to create these test databases as quickly as possible with the least amount of administrative effort. What should the Database Specialist do to meet these requirements?
A company is due for renewing its database license. The company wants to migrate its 80 TB transactional database system from on-premises to the AWS Cloud. The migration should incur the least possible downtime on the downstream database applications. The company’s network infrastructure has limited network bandwidth that is shared with other applications. Which solution should a database specialist use for a timely migration?
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A Database Specialist is setting up a new Amazon Aurora DB cluster with one primary instance and three Aurora Replicas for a highly intensive, business-critical application. The Aurora DB cluster has one medium- sized primary instance, one large-sized replica, and two medium sized replicas. The Database Specialist did not assign a promotion tier to the replicas. In the event of a primary failure, what will occur?
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Question 64 - DBS-C01 discussion

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A gaming company has implemented a leaderboard in AWS using a Sorted Set data structure within Amazon ElastiCache for Redis. The ElastiCache cluster has been deployed with cluster mode disabled and has a replication group deployed with two additional replicas. The company is planning for a worldwide gaming event and is anticipating a higher write load than what the current cluster can handle.

Which method should a Database Specialist use to scale the ElastiCache cluster ahead of the upcoming event?

A.
Enable cluster mode on the existing ElastiCache cluster and configure separate shards for the Sorted Set across all nodes in the cluster.
Answers
A.
Enable cluster mode on the existing ElastiCache cluster and configure separate shards for the Sorted Set across all nodes in the cluster.
B.
Increase the size of the ElastiCache cluster nodes to a larger instance size.
Answers
B.
Increase the size of the ElastiCache cluster nodes to a larger instance size.
C.
Create an additional ElastiCache cluster and load-balance traffic between the two clusters.
Answers
C.
Create an additional ElastiCache cluster and load-balance traffic between the two clusters.
D.
Use the EXPIRE command and set a higher time to live (TTL) after each call to increment a given key.
Answers
D.
Use the EXPIRE command and set a higher time to live (TTL) after each call to increment a given key.
Suggested answer: B

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asked 16/09/2024
Jonno Sweeney
44 questions
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