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IBM C9010-262 Exam Practice Questions (P. 2)

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Question #6
Which feature of POWER8 processor-based systems is optimized for big data solutions?
  1. A
    40GbE FCoE adapter
  2. B
    PCIe Gen3 I/O Expansion Drawer
  3. C
    Memory bandwidth
  4. D
    Internal Split Backplane

Correct Answer:
C
The Bandwidth of POWER8 is Critical for Big Data Workloads like Spark.
References:
https://www.ibm.com/developerworks/community/blogs/f0f3cd83-63c2-4744-9021-9ff31e7004a9/entry/
The_Bandwidth_of_POWER8_is_Critical_for_Big_Data_Workloads_like_Spark?lang=en

Question #7
A Power 770 MMD with two CEC enclosures 256GB of memory, and PCIe expansion drawers with SAS disk is being upgraded to a Power E870.
Which of the following is a valid process to leverage the existing client investment and maintain the existing serial number?
  1. A
    Remove expansion drawers. Perform an MES upgrade of the memory and processor to POWER8. Migrate disk to the E870 system nodes.
  2. B
    Remove expansion drawers. Add EXP24S. Perform an MES upgrade of the memory and processor to POWER8.
  3. C
    Migrate expansion drawers. Perform an MES upgrade of the memory and processor to POWER8.
  4. D
    Migrate expansion drawers. Migrate disk.

Correct Answer:
D
The following features that are present on the current system can be moved to the new system if they are supported in the Power E870 and E880:
Disks (within an EXP24S I/O drawer)
SSDs (within an EXP24S I/O drawer)
PCIe adapters with cables, line cords, keyboards, and displays

Racks -

Doors -

EXP24S I/O drawers -
For POWER7+ processor-based systems that have the Elastic CoD function enabled, you must reorder the elastic CoD enablement features when placing the upgrade MES order for the new Power E870 or E880 system to keep the elastic CoD function active. To initiate the model upgrade, the on/off enablement features should be removed from the configuration file before the MES order is started. Any temporary use of processors or memory owed to IBM on the existing system must be paid before installing the Power E870 or E880.

References: IBM Power Systems E870 and E880 Technical Overview and Introduction, page 28 http://www.redbooks.ibm.com/redpapers/pdfs/redp5137.pdf

Question #8
A FlashSystem 840 attaches to a Power E870 via:
  1. A
    16Gb Fibre Channel adapter.
  2. B
    8Gb GX++ adapter.
  3. C
    large write cache SAS adapter.
  4. D
    Optical CXP converter adapter.

Correct Answer:
A
The IBM FlashSystem 840 supports three different protocol interface cards:
✑ Fibre Channel (16 Gbps, 8 Gbps, and 4 Gbps)
✑ Fibre Channel over Ethernet (FCoE) (10 Gbps)
✑ InfiniBand QDR (40 Gbps)
✑ iSCSI (10 Gbps)
References: Implementing IBM FlashSystem 840 (July 2015), page 26 http://www.redbooks.ibm.com/redbooks/pdfs/sg248189.pdf

Question #9
Which of the following is a benefit of Power Enterprise Pools?
  1. A
    Has no restrictions on where or how long cores and memory can be relocated.
  2. B
    Provides automatic load balancing based on built in policies enabled in PowerVM.
  3. C
    Provides greater flexibility to manage core and memory availability for workloads.
  4. D
    Can use a Scale-out system temporarily in certain conditions.

Correct Answer:
C
Power Enterprise Pools (PEP) provides the ability to move processor and memory resources from one server to another any time, with no physical movement of hardware, using easy operator commands in HMC. The PEP topology is a set of servers that is entitled to share a set of hardware processor and memory licenses between them. This grouping and sharing allows for fast workload balancing and LPM (Logical Partition Mobility) activity while keeping overall server capital costs lower. One does not have to purchase licenses for all resources on all systems, but instead can purchase fewer licenses overall and move them when needed, to and from servers as their workload requirements rise and fall.
References:
https://www.ibm.com/developerworks/community/wikis/home?lang=en_us#!/wiki/Power%20Systems/page/Power%20Enterprise%20Pools

Question #10
A customer would like to add a second HMC to an environment which consists of multiple POWER7 and POWER8 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 on the same HMC VLAN.
  2. B
    Each HMC must be on a dedicated HMC VLAN.
  3. C
    All the POWER7 systems must be at the same firmware level.
  4. D
    Both HMCs must be at the same version of HMC Code.

Correct Answer:
D
HMC Version 8 can be used for POWER8, POWER7, and POWER6 based servers.
HMC Version 7 can used for POWER7, POWER6 and POWER5 based servers.
References:
https://www-304.ibm.com/support/customercare/sas/f/hmcl/home.html

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