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Pegasystems Certified Lead System Architect (CLSA) 6.2V2 Sample Questions:

1. Consider the following situation:
A PRPC application is running within a 1.2 GB JVM (Java Virtual Machine). There is approximately 350 MB of free memory and garbage collector reclaims in average 32 MB of memory in the course of an hour.
The Rules Assembly count is 0 when a typical interaction executes in average 72.6 rules. The application CPU peaks periodically at 22% but otherwise runs in average around 12%.
The application is generating approximatively 30 database alerts per minute. The database CPU runs at an average of 75% peaking periodically at 96%. The alert log file does not report any byte warning with a 10 MB threshold defined.
Users are complaining about poor performance. Their interactions take in average 4.5 seconds.
Which of the following approaches is most appropriate to resolve this issue? (Choose One)

A) Expose all columns used by the application
B) Review the database table indexes and utilize query plan to consider changes
C) Reduce the number of loop iterations executing on the large sets of data
D) Limit the number of database interactions by storing most data on a series of declare pages
E) Review the application profile log to determine which activities are taking the most time

2. When configuring a file service there are two types of asynchronous execution modes that can be use:
"Queue for execution" and "Queue for agent".
Which of the following statements are TRUE with regard to the execution mode? (Choose Two)

A) "Queue for agent" will cause the item to be processed by any node configured to run the agent
B) "Queue for execution" is the preferred execution mode in a single node environment
C) "Queue for execution" does not require a queue and agent to be specified
D) "Queue for agent" should be configured so that the agent associated with the queue only runs on a single node
E) "Queue for agent" does not guarantee that the queued items are processed in order, but "Queue for execution" does

3. The power company EnergyCo uses a PRPC-based Incident Management application with a single work type defined in the framework (class: EnergyCo-FW-IncMgt-Work-Incident). EnergyCo has four divisions (DivA - DivD).
There is a new requirement: Solar Panel related incidents must be stored in a separate table from other incidents for all divisions (i.e. a single "Solar Panel" table is used for all divisions). There is no Solar Panel specific class.
In order to meet this new requirement, which of the following approaches is most appropriate? (Choose One)

A) Circumstance based on an IncidentType property
B) Add a class to only the framework layer for greater reusability
C) Add a Solar Panel specific database table instance to the EnergyCo-FW-IncMgt-Work-Incident class
D) Add a class to the framework layer and all implementation layers

4. In a PRPC production environment, in which cache would you likely find a Rule-Declare-DecisionTree? (Choose One)

A) Conclusion Cache
B) Rule Cache
C) Rule Assembly Cache
D) Dictionary Cache

5. You have been asked to build a human resources application that facilitates the work required to support new hires. For each new hire, multiple tasks must be done, such as "Acquire Computer" and "Setup Payroll". You are having trouble deciding if each of these tasks should be represented as separate assignments in the same case, or separate sub-cases.
Which of the following requirements will help you decide on the approach? (Choose Two)

A) "Acquire Computer" and "Setup Payroll" require the capability to be reopened independently
B) It must be possible for the completion of one task to be independent from the other
C) It must be possible to configure security differently; those who can open "Acquire Computer" must not be able to open "Setup Payroll"
D) It must be possible for "Acquire Computer" and "Setup Payroll" to be assigned to different operators at the same time
E) It must be possible to edit fields for "Acquire Computer" and "Setup Payroll" at the same time

Solutions: