IBM z Systems Technical Support V7

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

You have 65 total questions across 13 pages (5 per page)
These questions were last updated on February 15, 2026
This site is not affiliated with or endorsed by IBM.

Question 1 of 65

Which of the following is the most critical factor of a Parallel Sysplex across multiple sites?

Coordinated Timing Network (CTN)

Sysplex Distributor

Network bandwidth

Network latency

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?

Upgrade the systems sequentially.

Apply CoD processors to the systems.

Perform a concurrent upgrade.

Add a third machine to the sysplex.

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?

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?

The Cloud Center of Excellence Team

The Tiger Team

The Oracle Center of Competency Team

The Eagle Team

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?

Install a second DS8880 and mirror the data.

Replace the FICON Express8S with FICON Express16S channels.

Implement FICON Dynamic Routing and Forward Error Correction.

Add FICON Directors and Inter-Switch Links to the infrastructure.

About the IBM C9030-644 Certification Exam

About the Exam

The IBM C9030-644 (IBM z Systems Technical Support V7) validates your knowledge and skills. Passing demonstrates proficiency and can boost your career prospects in the field.

How to Prepare

Work through all 65 practice questions across 13 pages. Focus on understanding the reasoning behind each answer rather than memorizing responses to be ready for any variation on the real exam.

Why Practice Exams?

Practice exams help you familiarize yourself with the question format, manage your time, and reduce anxiety on the test day. Our C9030-644 questions are regularly updated to reflect the latest exam objectives.