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

1. Which of the following options is correct about possible configurations for DB2 pureScale's network topology?

A) DB2 pureScale supports multiple cluster interconnect adapter ports for the cluster members which increases the bandwidth to process more transactions, thus improving performance. It also supports multiple switches, which greatly improves network resiliency.
B) DB2 pureScale supports multiple cluster interconnect adapter ports for both cluster caching facilities and members. It does not support multiple switches.
C) DB2 pureScale does not support multiple cluster interconnect adapter ports, but It supports multiple switches, which greatly improves network resiliency.
D) DB2 pureScale supports multiple cluster interconnect adapter ports for the cluster caching facilities which increases the bandwidth to handle more requests, thus improving performance. It also supports multiple switches, which greatly improves network resiliency.

2. Consider the scenario where the primary cluster caching facility failed while the secondary cluster caching facility was in CATCHUP state. Which of the following outcomes is CORRECT?

A) The instance would be brought down. DB2 cluster services then restarts only the secondary cluster caching facility now in the primary role.
B) DB2 cluster services will initiate a group restart with the former secondary cluster caching facility becoming the primary CF for the cluster. The instance will be temporarily unavailable while the services restart automatically
C) The takeover operation succeeds and the secondary cluster caching facility will be promoted to primary. The cluster would continue processing incoming read-only transactions.
D) The DB2 pureScale cluster would freeze. A database administrator must restore the database from a previous backup and then roll forward the database to a point in time before the freeze.

3. Consider the scenario where a server "pscale1" hosts a DB2 member and one cluster caching facility. In a situation where a database administrator wants to perform an operating system update on "pscale1", which one of the following options will ensure that both the member and cluster caching facility won't be automatically restarted by DB2 cluster services while the system is upgraded?

A) Log in to any of the hosts as root user.
Bring the member on "pscale1" to quiesce mode.
Bring the member on "pscale1" to maintenance mode.
Bring cluster caching facility on "pscale1" to maintenance mode.
B) Log in to "pscale1" as a DB2 instance user.
Bring the member on "pscale1" to quiesce mode and stop the cluster caching facility.
Stop the instance on "pscale1".
Log in as DB2 cluster services administrator.
Bring "pscale1" host to maintenance mode.
C) Log in to any of the hosts as a root user.
Stop the member and cluster caching facility.
Remove the member and cluster caching facility from the cluster.
D) Log in as a cluster services administrator.
Bring the member on "pscale1" to quiesce mode and stop the cluster caching facility.
Bring the member on "pscale1" to maintenance mode.
Bring cluster caching facility on "pscale1" to maintenance mode.

4. Which one of the following options is CORRECT about Temporal Tables?

A) System-period temporal tables combine the historical tracking of an Application-period temporal table with the time-specific data storage capabilities of a bitemporal table. They are used to keep user-based period information as well as system-based historical information.
B) Application-period temporal tables combine the historical tracking of a system-period temporal table with the time-specific data storage capabilities of a bitemporal table. They are used to keep user-based period information as well as system-based historical information.
C) System-period temporal tables are used to keep historical versions of records in a table. They use a history table to transparently store updated and deleted data rows.
D) Application-period temporal tables are used to keep historical versions of records in a table. They use a history table to transparently store updated and deleted data rows.

5. 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 reduces the risk and cost associated with growing your distributed database solution by providing extreme capacity and application transparency.
C) DB2 pureScale is only available for DB2 Express-C and DB2 Advanced Enterprise Edition.
D) DB2 pureScale persists data in the cluster caching facilities (CFs).

Solutions: