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購買後，立即下載 P2090-054 題庫 (IBM Information Management DB2 10.5 pureScale Technical Mastery Test v3): 成功付款後, 我們的體統將自動通過電子郵箱將您已購買的產品發送到您的郵箱。（如果在12小時內未收到，請聯繫我們，注意：不要忘記檢查您的垃圾郵件。）

最新的 IBM Information Management P2090-054 免費考試真題:

1. How does DB2 pureScale balance the workload among its members?

A) Workload balance is handled by the Self Tuning Memory Manager (STMM) feature.
B) Workload balance cannot be handled by DB2 pureScale. It must be handled by a third-
party application.
C) Workload balance is automatically performed by DB2 pureScale by rerouting the workload to members with lighter loads.
D) Workload balance must be handled by the application.

2. Which of the following options does NOT describe a benefit of DB2's Row Compression?

A) Compression allows you to cache more data in the buffer pools using the same amount of space.
B) Compression allows you to store the same amount of data in less space, which can significantly save storage costs.
C) Compression allows you to retrieve the same amount of data using fewer disk operations (I/O).
D) Compression allows you to reduce CPU workload because there is less data to process.

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

A) 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.
B) 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.
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 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.

4. In a DB2 pureScale environment, which of the following statements is NOT a characteristic of the cluster caching facility?

A) This component is used to coordinate locking through a global lock manager to prevent conflicting access to the same table data by different members.
B) This component provides a global buffer pool.
C) This component is used to balance the workload through a global workload resource pool.
D) This component is used to keep page caching consistent across all members through a shared group buffer pool.

5. Which of the following options best defines the Label-Based Access Control (LBAC) feature?

A) DB2 LBAC is the DB2 authority in charge of issuing GRANT and REVOKE statements.
B) DB2 LBAC allows you to use labels to reference database objects by a short name instead of the full qualified name.
C) DB2 LBAC monitors table data access and tables modifications made by database users.
D) DB2 LBAC lets you decide exactly who has write/read access to individual rows and columns by comparing the security labels between database objects and users.

問題與答案：