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IBM Information Management DB2 10.5 pureScale Technical Mastery Test v3 Sample Questions:

1. The DB2 Storage Optimization feature allows you to save storage by compressing your database data. Which one of the following types of compression is new in DB2 10?

A) Declared Global Temporary Tables Compression
B) Temporary Tables Compression
C) Classic Row Compression
D) Adaptive Compression

2. Consider the scenario of a DB2 pureScale environment with two DB2 members, and assume there is an active connection to "member 3". Due to some maintenance emergency, "member 3" needs to be stopped. Which one of the following commands will stop "member 3"?

A) db2stop node 3 all members
B) db2stop member 3
C) db2stop force member 3
D) db2stop immediate member 3

3. What is the DB2 Load utility?

A) The DB2 Load utility is a tool that stores all scripts that are required to create the database. It does not load data, but just loads the database metadata that was exported for a site backup.
B) The DB2 Load utility is a tool that allows you to directly transfer data and objects from another database into the one you are currently working with.
C) The DB2 Load utility is a high-speed, low-level, data loading utility that loads data into a DB2 database.
D) The DB2 Load utility can be used to load and create external functions in a DB2 database.

4. Consider the scenario where two members, "M1" and "M2", intend to update two different rows on the same data page: 1."M1" is doing an update on row R1 within a data page. It is granted exclusive access to the page containing that row of data. 2."M2" requires an exclusive lock to the same page to update row R2. It passes this request to the cluster caching facility. "M2" waits while the request is processed. 3.The cluster caching facility sees that member "M1" already has an exclusive access to the page. It issues a request to "M1" for the page. In the meantime, "M2" waits. 4."M1" processes the request by writing the page back to the global buffer pool and then releasing the page lock. ("M1" retains any row or table locks it might have had). 5.The cluster caching facility grants "M2" access to the page. "M2" reads the page from the global buffer pool to perform whatever operations for which the page is needed. Which of the following DB2 pureScale monitoring elements can be used to monitor the above scenario?

A) Lock escalation.
B) Page reclaiming.
C) Lock contention.
D) Log Retain.

5. Which of the following options justifies why you should be actively monitoring buffer pool hit ratios on your DB2 pureScale environment?

A) Low local buffer pool (LBP) hit ratios are the only important metric that must be monitored since it indicates that there are a higher number pages fetched directly from physical storage than from the local buffer pool.
B) Attaining high local buffer pool (LBP) and global buffer pool (GBP) hit ratios are in general an indication of overall good performance as more pages are found in memory than having to fetch from I/O.
C) High local buffer pool (LBP) hit ratios are the only important metric that must be monitored since it indicates that there are a higher number of pages fetched from physical storage than from the local buffer pool.
D) Attaining low local buffer pool (LBP) and global buffer pool (GBP) hit ratios are in general an indication of overall good performance as more pages are found in memory than having to fetch from I/O.

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