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2018 Jan IBM Official New Released C2090-619
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IBM Informix 12.10 System Administrator

Question No: 31

When executing the following command: execute function sysadmin task(quot;table compressquot;, quot;customerquot;) what will happen to the customer table?

  1. Only newly added rows will be compressed.

  2. Only existing data will be compressed, new data will remain uncompressed.

  3. Row data and partition blobs will be compressed and any free table space will be released.

  4. Row data and partition blobs will be compressed and the space allocated to the table will remain.

Answer: C

Question No: 32

Given the following:

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How many locks will be used on tab1 to run the query?

  1. 0

  2. 1

  3. 2

  4. Depends on the number of index pages accessed

Answer: A

Question No: 33

What command unlocks the storage catalogs when using the Primary Storage Manager?

  1. onbar -d unlock

  2. onpsm -C unlock

  3. onmode -C unlock

  4. onsmsync -c unlock

Answer: B

Question No: 34

Which Enterprise Replication command CANNOT be used on replicates that include TimeSeries columns?

  1. cdr start

  2. cdr sync

  3. cdr realize

  4. cdr remaster

Answer: D

Question No: 35

Which technology does NOT use the Secure Sockets Layer (SSL) protocol for an end-to- end secure connection?

  1. On-disk encryption

  2. Enterprise Replication

  3. High-Availability Data Replication

  4. Server-to-server distributed query communication

Answer: A

Question No: 36

The IBM Mobile Database is a mobile-optimized version of which IBM product?

  1. IBM DB2

  2. IBM Informix

  3. IBM solidDB

  4. IBM Cloudscape

Answer: C

Question No: 37

Which of configuration parameter can be increased to improve the performance of flushing dirty buffer pages during checkpoints?

  1. CKPTINTVL

  2. RA_PAGES

  3. CLEANERS

  4. SHMVIRTSIZE

Answer: C

Question No: 38

Given these statements are executed:

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which statement is true?

  1. The entire query will be accelerated to Informix Warehouse Accelerator (IWA) including the OLAP operators.

  2. The entire query will be executed on Informix database server, and no portion of it will be accelerated by Informix Warehouse Accelerator (IWA).

  3. The underlying SELECT, JOIN, GROUP BY, and PROJECT operation of the query is accelerated to Informix Warehouse Accelerator (IWA), and

    OLAP expressions are evaluated by Informix database server.

  4. The underlying SELECT, JOIN, GROUP BY, and PROJECT operation of the query will be executed by Informix database server, and the OLAP expressions are evaluated by Informix Warehouse Accelerator (IWA).

Answer: C

Question No: 39

Which operation can benefit from PDQ?

  1. Checkpoints

  2. Data replication

  3. DML Statement

  4. Login Log flushing

Answer: C

Question No: 40

Which statement is true for starting Connection Manager?

  1. Only user root and informix.

  2. Any user of the DBSA group.

  3. Any user who is granted privileges to connect to the sysadmin database.

  4. Only a user of the DBSA group with privilege to connect to the sysadmin database.

Answer: D

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