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IBM C1000-031 Exam Practice Questions (P. 4)

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Question #16
A customer is considering a purchase of a Power System E950. One PCIe Gen3 I/O expansion drawer is required to meet the I/O adapter requirements.
How many racks units (EIA) are required?
  1. A
    8
  2. B
    9
  3. C
    6
  4. D
    10

Correct Answer:
C
Reference:
http://www.redbooks.ibm.com/redpapers/pdfs/redp5509.pdf

Question #17
A customer is comparing a Power Systems solution with an x86 solution for big data analytics.
Which no-charge IBM analysis is available to justify the value of IBM Power Servers compared to x86 solutions?
  1. A
    IT Economics Study (Eagle Study)
  2. B
    Performance Navigator
  3. C
    System Planning Tool
  4. D
    Workload Estimator

Correct Answer:
D
The IBM Systems Workload Estimator is a web-based sizing tool for IBM Power Systems, System i, System p, System x, IBM Flex Systems, and IBM PureFlex
Systems. You can use this tool to size a new system, to size an upgrade to an existing system, or to size a consolidation of several systems. The Workload
Estimator (WLE) allows measurement input to best reflect your current workload and provides a variety of built-in workloads to reflect your emerging application requirements. Virtualization can be used to yield a more robust solution. The Workload Estimator will provide current and growth recommendations for processor, memory, and disk that satisfy the overall client performance requirements
Reference:
https://www.ibm.com/developerworks/community/blogs/systemssupport/entry/ibm_systems_workload_estimator_and_energy_estimator2?lang=en

Question #18
A customer would like to deploy a new application that requires 7 day by 24 hour availability.
What advantage does the Power System E980 have versus the Power System S924 to satisfy their requirement?
  1. A
    PCIe hot plug adapters
  2. B
    Soft error protection, recovery and self-healing
  3. C
    Active Memory Mirroring
  4. D
    Chipkill memory

Correct Answer:
C
Reference:
https://www-01.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/6/877/ENUSZG18-0086/index.html&request_locale=en

Question #19
Which of the following statements is true regarding Dynamic Logical Partitioning (DLPAR)?
  1. A
    In a disaster, it will immediately move active LPARs from a local system to a remote system, over the network with only a pause in service.
  2. B
    In a disaster, it will immediately move active LPARs from a local system to another local system, using a common SAN, with only a pause in service.
  3. C
    It enables the relocation of resources such as CPU and memory between LPARs as required, without an interruption in service.
  4. D
    It will automatically allocate an unlicensed processor to an LPAR to replace one that has reached the threshold for errors.

Correct Answer:
D
Reference:
http://ibmsystemsmag.com/aix/administrator/lpar/dynamic-lpar---the-way-to-the-future/?page=2

Question #20
A customer would like to add a second HMC to an environment which consists of multiple POWER8 and POWER9 processor-based systems.
Which of the following is a requirement for both HMCs to be able to manage all the systems?
  1. A
    Both HMCs must be at the same version of HMC Code.
  2. B
    Both HMCs must be on the same HMC VLAN.
  3. C
    All the POWER8 processor-based systems must be at the same firmware level.
  4. D
    Each HMC must be on a dedicated HMC VLAN.

Correct Answer:
D
A switch can be partitioned to create a VLAN dedicated to HMC to managed server communication. If HMCs are configured as DHCP servers, there must be only one HMC on each VLAN! If dual HMCs are attached for redundancy, it is unwise to connect the HMCs to two VLANs in the same switch, because if the switch fails both HMCs lose connectivty, thereby defeating the HMC redundancy
Reference:
https://www.ibm.com/developerworks/community/wikis/home/wiki/Power%20Systems/page/HMC%20reliable%20communication%20and%20doing%
20without

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