Amazon Web Services prepway aws Certified Database Dbs-c01 Release Date by Andrei q270 vce pdf

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Exam Name:	AWS Certified Database - Specialty
Exam Code:	DBS-C01 Dumps
Vendor:	Amazon Web Services	Certification:	AWS Certified Database
Questions:	324 Q&A's	Shared By:	andrei

Question 44

A company runs online transaction processing (OLTP) workloads on an Amazon RDS for PostgreSQL Multi-AZ DB instance. The company recently conducted tests on the database after business hours, and

the tests generated additional database logs. As a result, free storage of the DB instance is low and is expected to be exhausted in 2 days.

The company wants to recover the free storage that the additional logs consumed. The solution must not result in downtime for the database.

Which solution will meet these requirements?

Options:

Modify the rds.log_retention_period parameter to 0. Reboot the DB instance to save the changes.

Modify the rds.log_retention_period parameter to 1440. Wait up to 24 hours for database logs to be deleted.

Modify the temp file_limit parameter to a smaller value to reclaim space on the DB instance.

Modify the rds.log_retention_period parameter to 1440. Reboot the DB instance to save the changes.

Discussion

Question 45

A startup company is building a new application to allow users to visualize their on-premises and cloud networking components. The company expects billions of components to be stored and requires responses in milliseconds. The application should be able to identify:

The networks and routes affected if a particular component fails.
The networks that have redundant routes between them.
The networks that do not have redundant routes between them.
The fastest path between two networks.

Which database engine meets these requirements?

Options:

Amazon Aurora MySQL

Amazon Neptune

Amazon ElastiCache for Redis

Amazon DynamoDB

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Question 46

After restoring an Amazon RDS snapshot from 3 days ago, a company’s Development team cannot connect to the restored RDS DB instance. What is the likely cause of this problem?

Options:

The restored DB instance does not have Enhanced Monitoring enabled

The production DB instance is using a custom parameter group

The restored DB instance is using the default security group

The production DB instance is using a custom option group

Discussion

Question 47

An ecommerce company is running AWS Database Migration Service (AWS DMS) to replicate an on-premises Microsoft SQL Server database to Amazon RDS for SQL Server. The company has set up an AWS Direct Connect connection from its on-premises data center to AWS. During the migration, the company's security team receives an alarm that is related to the migration. The security team mandates that the DMS replication instance must not be accessible from public IP addresses.

What should a database specialist do to meet this requirement?

Options:

Set up a VPN connection to encrypt the traffic over the Direct Connect connection.

Modify the DMS replication instance by disabling the publicly accessible option.

Delete the DMS replication instance. Recreate the DMS replication instance with the publicly accessible option disabled.

Create a new replication VPC subnet group with private subnets. Modify the DMS replication instance by selecting the newly created VPC subnet group.