DEA-C01測試題庫 - DEA-C01認證考試

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>> DEA-C01測試題庫 <<

DEA-C01認證考試 - 最新DEA-C01考古題

長久以來，Snowflake 就是電腦的代名詞。無論在美國國內還是在世界的電腦領域裏，Snowflake 都有著極其深遠的影響。而 DEA-C01 考試是 Snowflake 公司的 SnowPro Advanced: Data Engineer Certification Exam 證照考試官方代號，也是現在最熱門的證照考試，含金量很高。而獲得 Snowflake 的 DEA-C01 證照不僅僅能證明您的IT技術能力，更是您進入職場的敲門磚，也是提高您身價的另一捷徑。

Snowflake DEA-C01 考試大綱：

主題簡介
主題 1
  • Performance Optimization: This topic assesses the ability to optimize and troubleshoot underperforming queries in Snowflake. Candidates must demonstrate knowledge in configuring optimal solutions, utilizing caching, and monitoring data pipelines. It focuses on ensuring engineers can enhance performance based on specific scenarios, crucial for Snowflake Data Engineers and Software Engineers.
主題 2
  • Data Transformation: The SnowPro Advanced: Data Engineer exam evaluates skills in using User-Defined Functions (UDFs), external functions, and stored procedures. It assesses the ability to handle semi-structured data and utilize Snowpark for transformations. This section ensures Snowflake engineers can effectively transform data within Snowflake environments, critical for data manipulation tasks.
主題 3
  • Storage and Data Protection: The topic tests the implementation of data recovery features and the understanding of Snowflake's Time Travel and micro-partitions. Engineers are evaluated on their ability to create new environments through cloning and ensure data protection, highlighting essential skills for maintaining Snowflake data integrity and accessibility.
主題 4
  • Security: The Security topic of the DEA-C01 test covers the principles of Snowflake security, including the management of system roles and data governance. It measures the ability to secure data and ensure compliance with policies, crucial for maintaining secure data environments for Snowflake Data Engineers and Software Engineers.
主題 5
  • Data Movement: Snowflake Data Engineers and Software Engineers are assessed on their proficiency to load, ingest, and troubleshoot data in Snowflake. It evaluates skills in building continuous data pipelines, configuring connectors, and designing data sharing solutions.

最新的 SnowPro Advanced DEA-C01 免費考試真題 (Q104-Q109):

問題 #104
Snowpipe loads data from files as soon as they are available in a stage. Automated data loads lever-age event notifications for cloud storage to inform Snowpipe of the arrival of new data files to load. Which Cloud hosted platform provides cross cloud support for automated data loading via Snow-pipe?

答案：B

解題說明：
Explanation
Cross-cloud support only available to accounts hosted on Amazon Web Services currently.


問題 #105
A data engineer uses AWS Lake Formation to manage access to data that is stored in an Amazon S3 bucket. The data engineer configures an AWS Glue crawler to discover data at a specific file location in the bucket, s3://examplepath. The crawler execution fails with the following error: "The S3 location: s3://examplepath is not registered." The data engineer needs to resolve the error.
Which solution will meet this requirement?

答案：D

解題說明：
In Lake Formation, you must explicitly register each S3 path as a data location before any Glue crawler or user can access it. Registering s3:// examplepath in Lake Formation grants the crawler the metadata permissions it needs to crawl that location.


問題 #106
A Data Engineer is investigating a query that is taking a long time to return The Query Profile shows the following:

What step should the Engineer take to increase the query performance?

答案：D

解題說明：
Explanation
The step that the Engineer should take to increase the query performance is to increase the size of the virtual warehouse. The Query Profile shows that most of the time was spent on local disk IO, which indicates that the query was reading a lot of data from disk rather than from cache. This could be due to a large amount of data being scanned or a low cache hit ratio. Increasing the size of the virtual warehouse will increase the amount of memory and cache available for the query, which could reduce the disk IO time and improve the query performance. The other options are not likely to increase the query performance significantly. Option A, adding additional virtual warehouses, will not help unless they are used in a multi-cluster warehouse configuration or for concurrent queries. Option C, rewriting the query using Common Table Expressions (CTEs), will not affect the amount of data scanned or cached by the query. Option D, changing the order of the joins and starting with smaller tables first, will not reduce the disk IO time unless it also reduces the amount of data scanned or cached by the query.


問題 #107
A gaming company uses a NoSQL database to store customer information. The company is planning to migrate to AWS.
The company needs a fully managed AWS solution that will handle high online transaction processing (OLTP) workload, provide single-digit millisecond performance, and provide high availability around the world.
Which solution will meet these requirements with the LEAST operational overhead?

答案：B


問題 #108
The following CREATE DATABASE command creates a clone of a database snowmy_db i.e.
Create database pods_db clone snowmy_db
before (statement => '7e5d0cb9-005e-94e6-b058-k8f5b37c5725');
What are possible reason of failing cloning operation for this database?

答案：A,D


問題 #109
......

近來，隨著IT技術的不斷快速發展，學習IT技術的人越來越多。這也導致在IT行業工作的人越來越多。於是，IT行業的競爭愈發激烈了。同樣在IT行業工作，並且有著IT夢的你，肯定不希望被別人趕上甚至超過吧？那麼，這就需要你不斷提升自己的技能，向別人證明你自己的實力。那麼怎樣才能證明你自己的能力呢？越來越多的人選擇參加IT認定考試取得認證資格來證明自己的實力。你也想获得认证资格吗？首先来参加SnowflakeのDEA-C01认定考试吧。这是Snowflake的最重要的考试，同时也是被业界广泛认证的资格。

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