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IBM Information Management DB2 10.5 pureScale Technical Mastery Test v3 Sample Questions:
1. What does the table partitioning feature in DB2 allow you to do?
A) Table partitioning allows you to partition the table data based on the hash values of the primary key.
B) Table partitioning allows you to create result set tables from a join query, which automatically splits the data into smaller chunks, thereby increasing the performance of your DB2 database.
C) Table partitioning allows you to create very large tables that are divided across multiple storage objects so that you can quickly attach and detach large quantities of data from the tables.
D) Table partitioning allows you to make smaller tables automatically from large tables, thereby increasing the performance of your DB2 database.
2. Which one of the following options is INCORRECT about DB2 pureScale?
A) DB2 10 pureScale is able to leverage DB2's Workload Manager.
B) DB2 10 pureScale introduced support for split mirror technology as a backup method.
C) DB2 10 pureScale introduced support for range-partitioned tables. Attach/detach operations are limited to the first and last partitions only.
D) DB2 10 pureScale introduced support for partitioned indexes and partition reorgs.
3. Which of the following is NOT valid state for the Cluster Caching Facility?
A) ERROR
B) PEER
C) ONLINE
D) PRIMARY
4. 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.
5. Which of the following statements is INCORRECT regarding backup operations in a DB2 pureScale environment?
A) Only one backup image is produced for the entire cluster.
B) Issuing a single backup/restore database command on any member initiates a backup or restore operation on behalf of all members.
C) A backup operation can be performed even if one member is inconsistent.
D) Database metadata and transaction logs from the members are not included in the backup image.
Solutions:
Question # 1 Answer: C | Question # 2 Answer: C | Question # 3 Answer: C | Question # 4 Answer: B | Question # 5 Answer: D |