IBM C4040-252 Online Practice Questions and Exam Preparation

IBM C4040-252 Online Questions & Answers

• Question 31:

  Which of the following is a benefit of Intelligent Cache management in the POWER7+ chip?

  A. Reduction of chip size
  B. Improved memory reliability
  C. Reduced energy consumption
  D. Minimized latency in accessing data
  D. Minimized latency in accessing data

• Question 32:

  A client is considering the S824L system for development of a real time financial trading application. What is required to program the accelerator?

  A. CUDA
  B. OpenCL
  C. OPAL
  D. QEMU
  B. OpenCL

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  Reference: http://openpowerfoundation.org/category/blogs/

• Question 33:

  Compared to Intel, which of the following is an advantage of POWER7+ processor technology for memory optimization?

  A. AME
  B. FCC
  C. L3 Cache
  D. Out of Order Execution
  A. AME

• Question 34:

  Which of the following is the complete set of modes that can be configured on a POWER8 processor?

  A. POWER5, POWER6, POWER7, and POWER8
  B. POWERS, POWER6+, POWER7, and POWER8
  C. POWERS, POWER6+, POWER7, POWER7+, and POWER8
  D. POWER7, POWER7+, and POWER8
  D. POWER7, POWER7+, and POWER8

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  Reference: http://www-03.ibm.com/systems/power/hardware/benchmarks/erp.html

• Question 35:

  A P0WER6 customer is considering an upgrade to a new Power System, and needs to ensure availability at a DR site. The recovery point must be as close to current as possible without going to continuous availability. Recovery time must be less than four hours.

  What should be proposed to the customer?

  A. Utilize a dual VIOS system to provide redundancy.
  B. Utilize PowerHA to replicate the server and storage to a backup system and manage the failover.
  C. Create a PowerVM configuration that has two instances of the server with Power mirrored storage.
  D. Create a clustered system with a Primary and backup system using a single SAN attached storage device.
  A. Utilize a dual VIOS system to provide redundancy.

• Question 36:

  Which statement best describes the System Control Unit (SCU) in a two-node Power E870 / E880?

  A. The two nodes share an SCU unit through power and Infiniband cables.
  B. The two nodes share an SCU through clock and FSP cables.
  C. An SCU is optional when the operator control panel is included on each system node.
  D. Each node has its own SCU for redundancy.
  B. The two nodes share an SCU through clock and FSP cables.

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  Reference: http://www.redbooks.ibm.com/redpapers/pdfs/redp5137.pdf

• Question 37:

  A customer with several Power 770 systems runs a mixed production environment of Linux, AIX, and IBM i. They would like to purchase a single Power E880 for high availability, but are concerned about software licensing costs for IBM i.

  How can the customer reduce the cost of I BM i licenses for the E880?

  A. Enter the IBM i software keys from one of the production systems within 70 days of the failover.
  B. Use PowerHA System Mirror to transfer the licenses when needed.
  C. Designate the system as Capacity BackUp (CBU) for IBM i.
  D. Use DLPAR to add already-activated cores to the IBM i partitions only when needed.
  C. Designate the system as Capacity BackUp (CBU) for IBM i.

• Question 38:

  Which of the following is a design consideration for the E870 / E880?

  A. The integrated SAS controllers in the system nodes manage all six SAS bays in the system node.
  B. A DVD drive must be included in either the system control unit or in a system node.
  C. Only low profile PCIe adapters are supported in the system node.
  D. Each system node has eight PCI Gen3 slots which are a mix of x8 and x16 PCIe slots.
  A. The integrated SAS controllers in the system nodes manage all six SAS bays in the system node.

• Question 39:

  Which feature of Shared Storage Pools allows a customer to allocate disk space to a client partition, but only allocate real disk blocks when they are actually used?

  A. Flash copy
  B. Linked clones
  C. Tiered storage
  D. Thin provisioning
  D. Thin provisioning

• Question 40:

  Compared to x86, what feature of POWER8 processor technology permits more efficient processor core utilization to support highly threaded applications?

  A. Decimal floating point unit
  B. L4 caches
  C. SMT8
  D. CAPI
  C. SMT8