Download PureData System for Analytics v7.1.C2090-560.Pass4Sure.2018-11-29.77q.vcex

Vendor: IBM
Exam Code: C2090-560
Exam Name: PureData System for Analytics v7.1
Date: Nov 29, 2018
File Size: 394 KB
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Demo Questions

Question 1
What is the maximum number of columns you can choose as organizing keys for a clustered base table?
  1. 1
  2. 2
  3. 4
  4. 8
Correct answer: C
Question 2
Which of the following is NOT true about the createxid column? 
  1. They can be queried
  2. They are updated to zero during a DELETE operation
  3. Rows loaded in a transaction are assigned the same value
  4. They contain the ID of the transaction that created the record
Correct answer: D
Question 3
What is nzconvert used for?
  1. To convert compressed external tables into ASCII text
  2. To convert between character encodings before loading data
  3. To translate stored procedures into NZPLSOL compatible syntax
  4. To upgrade/downgrade the database to a different software version
Correct answer: B
Question 4
Dirty reads occur when a transaction reads data that is written by concurrentuncommitted transactions. Under what conditions are dirty reads allowed on the IBM PDA system?
  1. When an FPGA is busy
  2. By turning off serialization within the system
  3. They are never permitted under any conditions
  4. When the transaction isolation is read-committed
Correct answer: B
Question 5
What are two considerations for usage of materialized views? (Choose two.)
  1. Materialized views are not supported.
  2. Materialized views are logical entities.
  3. Materialized views may improve query performance.
  4. Materialized views are the same as database views.
  5. Materialized views are considered for usage by the Optimizer. 
Correct answer: CE
Question 6
Netezza database accounts are NOT created and/or managed using
  1. The NzAdmin tool
  2. The Netezza Performance Portal
  3. The Netezza command line interface
  4. The Netezza host's command line interface
Correct answer: B
Question 7
What database object in the history database will you use to find the version number of the history database?
  1. _t_version
  2. _vt_version
  3. Histversion
  4. $hist_version
Correct answer: C
Question 8
What CANNOT be measured and managed by system views?
  1. Power supply status for each rack
  2. Temperature values on an S-blade
  3. Status of the host attached storage
  4. Resource group utilization and history
Correct answer: C
Question 9
Which of the following is NOT performed by the nzhw utility? 
  1. It shows the current storage topology
  2. It shows the role of each component in the appliance
  3. It shows the location of each component in the appliance
  4. It shows the hardware ID of each component in the appliance
Correct answer: D
Question 10
Which statement about external tables is TRUE?
  1. Materialized views can be created for external tables 
  2. External table data is deleted using the DELETE statement
  3. The GENERATE STATISTICS command can be run against external tables
  4. External tables can be used to unload data to a Microsoft Windows directory
Correct answer: B
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