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 IBM Certification Questions

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Q:

 Which isolation level does a database without logging default to?

A) committed read B) dirty read
C) mode ANSI D) repeatable read
 
Answer & Explanation Answer: B) dirty read

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Q:

 Which of the following is required for the DB2 optimizer to consider a hash join strategy?

A) Optimization level 1 or above B) Equijion predicates
C) Registry variable DB_ANTIJOIN=YES D) SORTHEAP large enough to contain the tables being joined
 
Answer & Explanation Answer: B) Equijion predicates

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Q:

What help ensure that the XIV Systems cache does not become a bottleneck?

A) central cache locking mechanism B) use of industry standard chip technology
C) each module is responsible for caching the data in that module D) having all modules understand what is held cache at all times
 
Answer & Explanation Answer: C) each module is responsible for caching the data in that module

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Q:

A solution developer needs to configure the HTTP listener of an Integration Server on a Linux Server.

Which operating system privileges does the developer need to modify Integration node
properties and properties of integration node resources?

A) root user B) mqm
C) mqbrks D) mqm and mqbrks
 
Answer & Explanation Answer: A) root user

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