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

2. Consider a scenario where your DB2 pureScale cluster caching facilities are in PEER state. What would be the state of the secondary cluster caching facility upon failure of the primary cluster caching facility and a successful takeover?

A) ERROR
B) PRIMARY
C) NEW_PRIMARY
D) PEER

3. Which one of the following options is CORRECT about DB2 pureScale feature?

A) DB2 pureScale uses the same concept of HADR where the data is replicated from a primary database to a standby database.
B) DB2 pureScale is only available for DB2 Express-C and DB2 Advanced Enterprise Edition.
C) DB2 pureScale persists data in the cluster caching facilities (CFs).
D) DB2 pureScale reduces the risk and cost associated with growing your distributed database solution by providing extreme capacity and application transparency.

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. What is the purpose of the Self Tuning Memory Manager (STMM) in DB2?

A) This feature reduces the task of configuring your DB2 server by continuously updating memory configuration parameters, resizing buffer pools, and dynamically determining the total amount of memory to be used by the database.
B) This feature detects memory expansion in the database and delivers a warning to the DBA to let them know when the database is nearing a threshold memory allocation limit.
C) The purpose of this feature is for the system to deliver to you a report of database tuning recommendations so that you can update the configuration parameters by hand.
D) STMM allows DBAs to inspect the current memory allocation by buffer pools.

問題與答案：