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

1. 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

2. 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.

3. Which of the following options is TRUE about the Row and Column Access Control (RCAC) feature?

A) Table data is protected against direct access to the table. Access using views is unrestricted.
B) Users with DATAACCESS authority are exempt from the Row and Column Access Control rules.
C) Row and column level access control allows the creation of column masks that can control what column values a user is permitted to see.
D) In order to take advantage of this feature, applications must be changed to work with the RCAC feature.

4. A DB2 pureScale environment has fourteen DB2 members and one cluster caching facility. Having each of the members and cluster caching facility hosted on a separate physical machine, what is the recommended number of redundant cluster caching facilities necessary so that the DB2 pureScale environment could be available if the primary cluster caching facility fails?

A) 1
B) 0
C) 2
D) 3

5. How does DB2 pureScale handle member(s) failover scenarios?

A) Current connections to the failed member will be on hold until the member recovers and is back online.
B) DB2 pureScale requires database administrator intervention to handle failover scenarios.
C) All data remains locked until the failover operation is completed.
D) Future connections are evenly distributed among the surviving members of the cluster.

Solutions: