IBM A4040-124 問題集

質問 1：
Which statement about IBM i optimization explains why the customer will have improved performance as a result of adding SSDs to a customer environment?
A. Expert Cache monitors the read/write activity and logical reference patterns for each SSD database file to reduce total disk I/Os.
B. IBM i dynamically adjusts the size and type of reads and writes for files on SSDs to maximize the use of main storage and minimize the number of disk I/Os.
C. IBM i automatically collects Input/Output performance data and moves most active data to SSDs to achieve optimal performance.
D. Adaptive DB2 processing self-tunes logical files and queries across all available SSDs to achieve improved storage performance.
正解：C

質問 2：
A prospective customer with a very limited budget has stated that they are focused only on price. Before they evaluate application software, they have asked how a Power 720 with IBM i can cost twice as much as a similarly sized x86 server with Linux.
Which of the following responses addresses the customer concern?
A. Power Systems solutions are discounted based upon configuration content, and the price is typically comparable to x86 solutions.
B. The x86 solution will probably also require the purchase of database and security software, while IBM i already includes those functions.
C. The Workload Estimator compares Power Systems and x86 server benchmarks and provides equitable pricing estimates.
D. The smallest Power 720 has four cores, of which up to three cores may be turned off at the factory to reduce the price.
正解：B

質問 3：
A prospective customer states that few ISV5 invest in IBM i.
How should this objection be addressed?
A. IBM i customers have access to thousands of new applications and ISVs through its ability to support Zend Core and run PHP.
B. The IBM Global Solutions Directory website lists over 2300 solutions from more than 850 ISVs.
C. IBM provides APIs and conversion centers which make it easy for IS Vs to port applications to IBM i.
D. Approximately 10000 ISV solutions are certified for IBM i 7.1 and most can be ordered pre-loaded.
正解：B

質問 4：
What is the purpose of CPW?
A. CPW is a method to size industry computer systems for cloud-based applications and anticipated workloads.
B. CPW allows comparison of different application workloads running on various Power Systems servers.
C. CPW measures performance of processor, network and disk on IBM for comparison against AIX and Linux operating systems.
D. CPW measures a standard workload, allowing a relative comparison of the performance of various Power Systems models.
正解：D

質問 5：
A Power 720 customer running IBM i recently failed an internal security is audit. The customer asked for a solution that will enable them to better track who accesses, or attempts to access, certain confidential files.
Which of the following recommendations is most appropriate?
A. IBM i continuously logs information of all system security activities in time-stamped history logs.
B. IBM has earned ISO 27001 Certification and now has controls to safeguard consumer data in both public and private clouds.
C. Tivoli Security Management suite for IBM i provides a centralized security management and access control tool set.
D. IBM i can provide tracking for all users, activity tracking for specific objects, and for specific users.
正解：D

質問 6：
A production system with IBM i is replicating journaled data changes to a second system.
What feature will ensure complete transactions are recorded on the backup system, if the production system fails during.
a series of database changes?
A. DB2 for IBM i automatically backs up changes made to either database until they are written to both systems.
B. IBM i supports journaling commitment control, to prevent incomplete transactions from being recorded.
C. DB2 for IBM i includes a force write ratio parameter that immediately sends data changes to the target system.
D. Remote journaling replicates complete journal entries to fully define application transactions.
正解：B