IBM z Systems Technical Support V7

Here you have the best IBM C9030-644 practice exam questions

  • You have 65 total questions to study from
  • Each page has 5 questions, making a total of 13 pages
  • You can navigate through the pages using the buttons at the bottom
  • This questions were last updated on January 1, 2026
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Question 1 of 65
Which of the following is the most critical factor of a Parallel Sysplex across multiple sites?
Correct Answer: A

Question 2 of 65
A banking customer is running a Parallel Sysplex with two z13 systems. Each server is configured with 100 CPs, 20 zllPs, 10 ICFs and 11 IFLs.
Both systems are currently running over 85% utilization business-critical workloads. The customer needs additional capacity for future growth.
Which solution will prevent a negative impact to the business?
Correct Answer: D

Question 3 of 65
A customer is planning to use a z13s with two CPC drawers as an external coupling facility.
What is the maximum number of Internal Coupling Facility (ICF) processors that can be used?
Correct Answer: C
Processor Unit Summary -
Listed below are the minimums and maximums of processor units (PUs) that may be purchased permanently.
Exam C9030-644: Question 3 - Image 1
References:
https://www-01.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_sm/1/877/ENUS2965-_h01/index.html&lang=en&request_locale=en C
Question 4 of 65
An existing IBM z Systems client is concerned about the associated monthly software license costs. The clients own preliminary analysis suggested they can save money by off-loading workloads from their z Systems to x86 servers. The client is willing to work with IBM and they agreed to host an on-site workshop to discuss the matter.
Which is the most suitable resource needed to demonstrate to the client they might be making the wrong choice?
Correct Answer: D

Question 5 of 65
A customer has a Parallel Sysplex running on LPARs spread across two z13 processors in the same data center location. Each z13 has multiple FICON
Express8S channel paths to one shared DS8870 subsystem.
Which recommendation will improve the resiliency of this environment?
Correct Answer: C