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u30abu30a4u30b6u30fcu306fu606du3057u304fu4e00u793cu3092u3059u308bu3001u3055u308au3052u306au304fu624bu4f1du3044u3092u3046u304bu304cu3046u3068u5ea7u3063u3066u3044u308du3068u8fd4u3063u3066u304du305fu306eu3067u3001u5c11u4f50u306eu524du306bu8170u3092u4e0bu308du3059u3002<br>u52b9u7387u7684u306aDBS-C01 u5fc5u6bbau554fu984cu96c6 & u5408u683cu30b9u30e0u30fcu30baDBS-C01 u30b3u30f3u30ddu30fcu30cdu30f3u30c8 | u6700u65b0u306eDBS-C01 u6a21u64ecu30e2u30fcu30c9<br>u4e8cu4ebau304cu3042u308cu3053u308cu8a00u3063u3066u3044u308bu3046u3061u306bu3001u30d3u30d3u306eu59ffu304cu6d88u3048u3066u3044u305fu3002<br>AWS Certified Database - Specialty (DBS-C01) Examu554fu984cu96c6u3092u4ecau3059u3050u30c0u30a6u30f3u30edu30fcu30c9<br>u8ceau554f 38 A stock market analysis firm maintains two locations: one in the us-east-1 Region and another in the eu-west-2 Region. The business want to build an AWS database solution capable of providing rapid and accurate updates.Dashboards with advanced analytical queries are used to present data in the eu-west-2 office. Because the corporation will use these dashboards to make purchasing choices, they must have less than a second to obtain application data.Which solution satisfies these criteria and gives the MOST CURRENT dashboard?<br>A. Use an Amazon DynamoDB global table in us-east-1 with replication into eu-west-2. Use multi-active replication to ensure that updates are quickly propagated to eu-west-2.<br>B. Deploy an Amazon RDS for MySQL DB instance in us-east-1 with a read replica instance in eu-west-2. Configure the dashboard application to read from the read replica.<br>C. Use an Amazon Aurora global database. Deploy the primary DB cluster in us-east-1. Deploy the secondary DB cluster in eu-west-2. Configure the dashboard application to read from the secondary cluster.<br>D. Deploy an Amazon RDS DB instance in us-east-1 with a read replica instance in eu-west-2. Create an Amazon ElastiCache cluster in eu-west-2 to cache data from the read replica to generate the dashboards.<br>u6b63u89e3: C<br>u89e3u8aac:Amazon Aurora global databases span multiple AWS Regions, enabling low latency global reads and providing fast recovery from the rare outage that might affect an entire AWS Region. An Aurora global database has a primary DB cluster in one Region, and up to five secondary DB clusters in different Regions. https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/aurora-global-database.html<br> <br>u8ceau554f 39 A business's mission-critical production workload is being operated on a 500 GB Amazon Aurora MySQL DB cluster. A database engineer must migrate the workload without causing data loss to a new Amazon Aurora Serverless MySQL DB cluster.Which approach will result in the LEAST amount of downtime and the LEAST amount of application impact?<br>A. Replicate the data between the existing DB cluster and a new Aurora Serverless DB cluster by using AWS Database Migration Service (AWS DMS) with change data capture (CDC) enabled.<br>B. Create a snapshot of the existing DB cluster and restore it to a new Aurora Serverless DB cluster.<br>C. Create an Aurora Serverless replica from the existing DB cluster and promote it to primary when the replica lag is minimal.<br>D. Modify the existing DB cluster and update the Aurora configuration to Serverless.<br>u6b63u89e3: A<br>u89e3u8aac:https://medium.com/@souri29/how-to-migrate-from-amazon-rds-aurora-or-mysql-to-amazon-aurora-serverless-55f9a4a74078<br> <br>u8ceau554f 40 An electric utility company wants to store power plant sensor data in an Amazon DynamoDB table. The utility company has over 100 power plants and each power plant has over 200 sensors that send data every 2 seconds. The sensor data includes time with milliseconds precision, a value, and a fault attribute if the sensor is malfunctioning. Power plants are identified by a globally unique identifier. Sensors are identified by a unique identifier within each power plant. A database specialist needs to design the table to support an efficient method of finding all faulty sensors within a given power plant.Which schema should the database specialist use when creating the DynamoDB table to achieve the fastest query time when looking for faulty sensors?<br>A. Use the plant identifier as the partition key and the sensor identifier as the sort key. Create a local secondary index (LSI) on the fault attribute.<br>B. Create a composite of the plant identifier and sensor identifier as the partition key. Use the measurement time as the sort key. Create a local secondary index (LSI) on the fault attribute.<br>C. Create a composite of the plant identifier and sensor identifier as the partition key. Use the measurement time as the sort key. Create a global secondary index (GSI) with the plant identifier as the partition key and the fault attribute as the sort key.<br>D. Use the plant identifier as the partition key and the measurement time as the sort key. Create a global secondary index (GSI) with the plant identifier as the partition key and the fault attribute as the sort key.<br>u6b63u89e3: A<br>u89e3u8aac:Plant id as partition key and Sensor id as a sort key. Fault can be identified quickly using the local secondary index and associated plant and sensor can be identified easily.<br> <br>u8ceau554f 41 A Database Specialist is working with a company to launch a new website built on Amazon Aurora with several Aurora Replicas. This new website will replace an on-premises website connected to a legacy relational database. Due to stability issues in the legacy database, the company would like to test the resiliency of Aurora.Which action can the Database Specialist take to test the resiliency of the Aurora DB cluster?<br>A. Use Aurora fault injection to crash the master DB instance<br>B. Stop the DB cluster and analyze how the website responds<br>C. Remove the DB cluster endpoint to simulate a master DB instance failure<br>D. Use Aurora Backtrack to crash the DB cluster<br>u6b63u89e3: A<br>u89e3u8aac:https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraMySQL.Managing.FaultInjectionQueries.html"You can test the fault tolerance of your Amazon Aurora DB cluster by using fault injection queries. Fault injection queries are issued as SQL commands to an Amazon Aurora instance and they enable you to schedule a simulated occurrence of one of the following events: A crash of a writer or reader DB instance A failure of an Aurora Replica A disk failure Disk congestion When a fault injection query specifies a crash, it forces a crash of the Aurora DB instance. The other fault injection queries result in simulations of failure events, but don't cause the event to occur. When you submit a fault injection query, you also specify an amount of time for the failure event simulation to occur for."<br> <br>u8ceau554f 42......<br>Tags: DBS-C01u5fc5u6bbau554fu984cu96c6,DBS-C01u30b3u30f3u30ddu30fcu30cdu30f3u30c8,DBS-C01u6a21u64ecu30e2u30fcu30c9,DBS-C01u30c6u30b9u30c8u5185u5bb9,DBS-C01u8a66u9a13u89e3u8aac,DBS-C01u65e5u672cu8a9eu5fa9u7fd2u8d64u672c,DBS-C01u8cc7u683cu30c8u30ecu30fcu30cbu30f3u30b0,DBS-C01u5c02u9580u8a66u9a13,DBS-C01u65e5u672cu8a9eu89e3u8aacu96c6,DBS-C01u5408u683cu5185u5bb9<br>
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Amazon DBS-C01 AWS Certified Database - Specialty (DBS-C01) Exam 3 different Regions. https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/aurora-global-database.html 質問 39 質問 39 A business's mission-critical production workload is being operated on a 500 GB Amazon Aurora MySQL DB cluster. A database engineer must migrate the workload without causing data loss to a new Amazon Aurora Serverless MySQL DB cluster. Which approach will result in the LEAST amount of downtime and the LEAST amount of application impact? pass4test.jp A. Replicate the data between the existing DB cluster and a new Aurora Serverless DB cluster by using AWS Database Migration Service (AWS DMS) with change data capture (CDC) enabled. B. Create a snapshot of the existing DB cluster and restore it to a new Aurora Serverless DB cluster. C. Create an Aurora Serverless replica from the existing DB cluster and promote it to primary when the replica lag is minimal. D. Modify the existing DB cluster and update the Aurora configuration to Serverless. 正解 正解: A 解説: https://medium.com/@souri29/how-to-migrate-from-amazon-rds-aurora-or-mysql-to-amazon-aurora-s erverless-55f9a4a74078 質問 40 質問 40 An electric utility company wants to store power plant sensor data in an Amazon DynamoDB table. The utility company has over 100 power plants and each power plant has over 200 sensors that send data every 2 seconds. The sensor data includes time with milliseconds precision, a value, and a fault attribute if the sensor is malfunctioning. Power plants are identified by a globally unique identifier. Sensors are identified by a unique identifier within each power plant. A database specialist needs to design the table to support an efficient method of finding all faulty sensors within a given power plant. Which schema should the database specialist use when creating the DynamoDB table to achieve the fastest query time when looking for faulty sensors? A. Use the plant identifier as the partition key and the sensor identifier as the sort key. Create a local secondary index (LSI) on the fault attribute. B. Create a composite of the plant identifier and sensor identifier as the partition key. Use the measurement time as the sort key. Create a local secondary index (LSI) on the fault attribute. C. Create a composite of the plant identifier and sensor identifier as the partition key. Use the measurement time as the sort key. Create a global secondary index (GSI) with the plant identifier as the partition key and the fault attribute as the sort key. D. Use the plant identifier as the partition key and the measurement time as the sort key. Create a global secondary index (GSI) with the plant identifier as the partition key and the fault attribute as the sort key. 正解 正解: A 2023 DBS-C01必殺問題集 必殺問題集、DBS-C01コンポーネント コンポーネント & AWS Certified Database - Specialty (DBS-C01) Exam模擬 模擬モード モード
Amazon DBS-C01 AWS Certified Database - Specialty (DBS-C01) Exam 4 解説: Plant id as partition key and Sensor id as a sort key. Fault can be identified quickly using the local secondary index and associated plant and sensor can be identified easily. 質問 41 質問 41 A Database Specialist is working with a company to launch a new website built on Amazon Aurora with several Aurora Replicas. This new website will replace an on-premises website connected to a legacy relational database. Due to stability issues in the legacy database, the company would like to test the resiliency of Aurora. Which action can the Database Specialist take to test the resiliency of the Aurora DB cluster? pass4test.jp A. Use Aurora fault injection to crash the master DB instance B. Stop the DB cluster and analyze how the website responds C. Remove the DB cluster endpoint to simulate a master DB instance failure D. Use Aurora Backtrack to crash the DB cluster 正解 正解: A 解説: https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraMySQL.Managing.FaultInj ectionQueries.html "You can test the fault tolerance of your Amazon Aurora DB cluster by using fault injection queries. Fault injection queries are issued as SQL commands to an Amazon Aurora instance and they enable you to schedule a simulated occurrence of one of the following events: A crash of a writer or reader DB instance A failure of an Aurora Replica A disk failure Disk congestion When a fault injection query specifies a crash, it forces a crash of the Aurora DB instance. The other fault injection queries result in simulations of failure events, but don't cause the event to occur. When you submit a fault injection query, you also specify an amount of time for the failure event simulation to occur for." 質問 42 質問 42 ...... Tags: DBS-C01必殺問題集 容 容,DBS-C01試験解説 試験解説,DBS-C01日本語復習赤本 C01日本語解説集 日本語解説集,DBS-C01合格内容 必殺問題集,DBS-C01コンポーネント 日本語復習赤本,DBS-C01資格 合格内容 コンポーネント,DBS-C01模擬 模擬モード モード,DBS-C01テスト 資格トレーニング トレーニング,DBS-C01専門試験 テスト内 専門試験,DBS- 内 2023 DBS-C01必殺問題集 必殺問題集、DBS-C01コンポーネント コンポーネント & AWS Certified Database - Specialty (DBS-C01) Exam模擬 模擬モード モード
