2014年10月19日星期日

C2170-010認定資格、P2090-054試験問題集

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C2170-010試験番号:C2170-010問題集
試験科目:Fundamentals of Applying Tivoli Service Management Solutions 2008
最近更新時間:2014-10-19
問題と解答:全77問 C2170-010 最新な問題集
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P2090-054試験番号:P2090-054問題集
試験科目:IBM Information Management DB2 10.5 pureScale Technical Mastery Test v3
最近更新時間:2014-10-19
問題と解答:全70問 P2090-054 練習問題
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NO.1 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.2 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.3 How does DB2 pureScale balance the workload among its members?
A. Workload balance must be handled by the application.
B. Workload balance is automatically performed by DB2 pureScale by rerouting the workload to
members with lighter loads.
C. Workload balance is handled by the Self Tuning Memory Manager (STMM) feature.
D. Workload balance cannot be handled by DB2 pureScale. It must be handled by a third-
party application.
Answer: B

IBM問題   P2090-054虎の巻   P2090-054   P2090-054

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 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.6 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

IBM模擬   P2090-054体験   P2090-054問題集

NO.7 How can you verify that a DB2 installation was successful?
A. Verification is performed by running the VERIFY INSTALL command.
B. Verification is completed by the DBA using the database verification toolkit.
C. Verification is automatically performed by the AUTO_CONFIGURE feature.
D. Verification can be done by successfully creating a SAMPLE database and running SQL commands
to retrieve sample data.
Answer: D

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NO.8 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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