CA Foundation Business Economics Questions 2023 - Part 32
Fri, 03 Mar 2023
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AWS Certified Big Data - Specialty Certification - Part 34
1. Which of the following can be used to optimize queries after the data has been inserted into the redshift?
A) Run ANALYZE command so that optimization can generate more accurate statistics
B) Running EXPLAIN command so that optimization can generate up FORUM statistics
C) None
D) Execute the query with sample data so that optimization can generate more accurate statistics
E) You do not have to work alone, because all the questions that have already been built to optimize the AMC.
2. Where the query results from the ATHENA postponed?
A) In a separate conclusion Athena
B) Dynamo DB
C) AWS EMR
D) The Amazon S3
E) None
3. Which of the following can be used in AWS red shift of priorities, selected a short running problems facing far-reaching questions?
A) None
B) Transfer Acceleration
C) AMC question acceleration
D) Long acceleration issue
E) Rapid acceleration issue
4. Which of the following commands in the red shift effective when loading large amounts of data?
A) COPY
B) INSERT
C) LOADING
D) None
E) UPDATE
5. You are obliged to send items from multiple logs that are stored on multiple application servers hosting or Linux EC2 instances. There is a requirement also change the discs and store them in the S3, but also to ensure that original records are stored. Which of the following could be the process of implementing the steps that can meet these requirements?(Select 2answers)
A) Feed Use Kinesis Firehose transformed data 53
B) Use Kinesis Firehose streaming source data for backup 53
C) Setting the AWS Cloud Watch agents to copy the converted data 53
D) Setting the AWS Cloud Watch agents to copy the source data to a backup 53
A) Run ANALYZE command so that optimization can generate more accurate statistics
B) Running EXPLAIN command so that optimization can generate up FORUM statistics
C) None
D) Execute the query with sample data so that optimization can generate more accurate statistics
E) You do not have to work alone, because all the questions that have already been built to optimize the AMC.
2. Where the query results from the ATHENA postponed?
A) In a separate conclusion Athena
B) Dynamo DB
C) AWS EMR
D) The Amazon S3
E) None
3. Which of the following can be used in AWS red shift of priorities, selected a short running problems facing far-reaching questions?
A) None
B) Transfer Acceleration
C) AMC question acceleration
D) Long acceleration issue
E) Rapid acceleration issue
4. Which of the following commands in the red shift effective when loading large amounts of data?
A) COPY
B) INSERT
C) LOADING
D) None
E) UPDATE
5. You are obliged to send items from multiple logs that are stored on multiple application servers hosting or Linux EC2 instances. There is a requirement also change the discs and store them in the S3, but also to ensure that original records are stored. Which of the following could be the process of implementing the steps that can meet these requirements?(Select 2answers)
A) Feed Use Kinesis Firehose transformed data 53
B) Use Kinesis Firehose streaming source data for backup 53
C) Setting the AWS Cloud Watch agents to copy the converted data 53
D) Setting the AWS Cloud Watch agents to copy the source data to a backup 53
1. Right Answer: A
Explanation: The ideal scenario is to run ANALYZE after each job ETliingestion. Here. when the working load can query optimizer uses an updated statistical data and selects the best execution plan, the update Explanations When SQL-query submitted to the Amazon Red Shift. the query optimizer is responsible for generating all the possible ways to execute the query. and select the fastest one. This may include an assessment of the cost of thousands. If not millions, of different execution plans.
2. Right Answer: D
Explanation: Athena shops outstanding results in the Amazon 53. Each query is run: the result file is automatically saved in CSV (CSV) format. and Athena metadata file (* .csv.metadata). If necessary, you can access the result files to work with them. Athena wounds question Amazon S3 bucket for defau AMC Athena request results--.
3. Right Answer: E
Explanation: This is part of the workload management (WLM). Quick question acceleration (SQA) prioritization of selected short current issues before the duration of the inquiry. SQA performs short-term problems in a special place. in the SQA question ARENA  à , ¬ YT forced to wait in line for more questions. When short-term problems SQA run faster and users will see results faster.
4. Right Answer: A
Explanation: Copy command loads the data in parallel with Amazon Amazon 53. [MR. Amazon Dynamo DB. or multiple data sources on remote hosts. COPY loading large amounts of data much more efficiently than using INSERT statements and store data more efficiently, too.
5. Right Answer: A,B
Explanation:
Explanation: The ideal scenario is to run ANALYZE after each job ETliingestion. Here. when the working load can query optimizer uses an updated statistical data and selects the best execution plan, the update Explanations When SQL-query submitted to the Amazon Red Shift. the query optimizer is responsible for generating all the possible ways to execute the query. and select the fastest one. This may include an assessment of the cost of thousands. If not millions, of different execution plans.
2. Right Answer: D
Explanation: Athena shops outstanding results in the Amazon 53. Each query is run: the result file is automatically saved in CSV (CSV) format. and Athena metadata file (* .csv.metadata). If necessary, you can access the result files to work with them. Athena wounds question Amazon S3 bucket for defau AMC Athena request results--.
3. Right Answer: E
Explanation: This is part of the workload management (WLM). Quick question acceleration (SQA) prioritization of selected short current issues before the duration of the inquiry. SQA performs short-term problems in a special place. in the SQA question ARENA  à , ¬ YT forced to wait in line for more questions. When short-term problems SQA run faster and users will see results faster.
4. Right Answer: A
Explanation: Copy command loads the data in parallel with Amazon Amazon 53. [MR. Amazon Dynamo DB. or multiple data sources on remote hosts. COPY loading large amounts of data much more efficiently than using INSERT statements and store data more efficiently, too.
5. Right Answer: A,B
Explanation:
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