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Exam Code: C4090-457Exam Name: IBM Storwize V7000 Implementation V1
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Exam Code: P2090-054Exam Name: IBM Information Management DB2 10.5 pureScale Technical Mastery Test v3
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Exam Code: C2090-731Exam Name: DB2 9 DBA for Linux,UNIX and Windows
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NO.1 Which of the following options justifies why you should be actively monitoring buffer pool hit
ratios on your DB2 pureScale environment?
A. 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.
B. 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.
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. 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.
Answer: A
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NO.2 Which one of the following options describes a benefit of Geographically Dispersed pureScale
Cluster (GDPC)?
A. GDPC allows the placement of redundant cluster caching facilities at different locations. The
pureScale members must be at the same physical location.
B. GDPC provides independent transaction processing, which means that on normal operations, each
cluster caching facility is at a different location processing the transactions from the members on its
respective location.
C. GDPC provides active / active system availability, which means that during normal operations, the
pureScale members at both locations are retrieving data from their local host discs, maintaining an
optimal level of activity on all members, both within and between locations.
D. GDPC provides active / active system availability, which means that during normal operations, the
pureScale members at both locations are sharing the workload between them as usual, maintaining
an optimal level of activity on all members, both within and between locations.
Answer: D
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NO.3 Which of the following statements is FALSE when monitoring the high usage of lock memory in
a DB2 pureScale environment?
A. Performance will not be affected due to high usage of Lock Memory.
B. Data concurrency issues can arise due to a high number of lock escalations.
C. Lock escalations can take place if there is insufficient memory.
D. Request for locks might be denied.
Answer: A
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NO.4 What is a DB2 instance?
A. A DB2 instance is just another name for DB2 Database.
B. A DB2 instance is a copy of a database that can be accessed standalone from the database server.
C. A DB2 instance is a logical database manager environment where you catalog databases and set
configuration parameters.
D. DB2 does not use instances. It requires only databases to operate.
Answer: C
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NO.5 Which DB2 licensing type is based on the number of users allowed to access the data server?
A. PVU (Processor Value Unit) licensing
B. Sub-capacity licensing
C. Authorized User (AU) licensing
D. Per Server licensing
Answer: C
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NO.6 Which of the following options does NOT describe a benefit of DB2's Row Compression?
A. Compression allows you to reduce CPU workload because there is less data to process.
B. Compression allows you to retrieve the same amount of data using fewer disk operations (I/O).
C. Compression allows you to cache more data in the buffer pools using the same amount of space.
D. Compression allows you to store the same amount of data in less space, which can significantly
save storage costs.
Answer: A
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NO.7 Which one of the following sentences does NOT describe a benefit of Temporal Tables?
A. Temporal tables increase business insight by letting analysts understand how the business was
doing in the past, what has changed in the present, what are the projections for the future.
B. Temporal tables lower costs by eliminating the complexity for businesses to develop their own
temporal support infrastructure, such as additional tables, triggers, and application logic.
C. Temporal tables allow better data management by letting the application control data integrity
and uniqueness.
D. Temporal tables provide a quick and easy way to track and record data changes in the table.
Answer: C
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NO.8 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 caching facilities
which increases the bandwidth to handle more requests, thus improving performance. It also
supports multiple switches, which greatly improves network resiliency.
B. 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.
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 both cluster caching
facilities and members. It does not support multiple switches.
Answer: A
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