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IBM C9030-644 Exam Practice Questions (P. 4)

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Question #16
A customer is planning for the installation of a new LinuxONE Emperor processor. The customer specified Balanced Power Plan Ahead (two line cord pairs). At installation time, they advise that they have only been able to provide power outlets for a single line cord pair. They still want the installation to proceed.
What action should the technical specialist take to ensure a proper installation?
  1. A
    Advise the customer that the installation cannot proceed until all the configured line cords can be connected.
  2. B
    Request the installation engineer to proceed with the installation with a single line cord pair.
  3. C
    Request the installation engineer to proceed with the installation of one line cord from each pair to the available power outlets.
  4. D
    Create an MES order to remove the Balanced Power Plan Ahead feature until after the installation is complete, then another MES to add the Balanced Power

Correct Answer:
D
References:
https://www.ibm.com/support/knowledgecenter/5148-21L/p8haj/hmcinstall.htm

Question #17
A customer has two z/OS 2964-N63 z13 machines is a single data center and needs the machines to remain up and running without an unscheduled outage.
Which of the following is considered an element of high availability?
  1. A
    Multiple power cords
  2. B
    Parallel Sysplex
  3. C
    Capacity Planned Event (CPE)
  4. D
    On/Off CoD capability

Correct Answer:
B
A sysplex is a collection of z/OS systems that cooperate, using certain hardware and software products, to process work. It is a clustering technology that can provide near-continuous availability. A Parallel Sysplex is a sysplex that uses multisystem data-sharing technology
A Parallel Sysplex is a cluster of IBM mainframes acting together as a single system image with z/OS. Used for disaster recovery, Parallel Sysplex combines data sharing and parallel computing to allow a cluster of up to 32 systems to share a workload for high performance and high availability.
References:
https://www.ibm.com/support/knowledgecenter/zosbasics/com.ibm.zos.zmainframe/zconc_clusterPlSys.htm

Question #18
What is hybrid cloud?
  1. A
    It is a compute cloud that mixes compute nodes with different CPU architectures.
  2. B
    It is an laaS cloud that provides instances with different operating systems.
  3. C
    It is an architecture that combines public and private clouds.
  4. D
    It is an laaS cloud that provides ephemeral storage only.

Correct Answer:
C
A hybrid cloud is an integrated cloud service utilizing both private and public clouds to perform distinct functions within the same organization.
References:
https://www.interoute.com/what-hybrid-cloud

Question #19
Which of the following is intended to help customers stay current with security and systems integrity fixes and provide Common Vulnerability Scoring System ratings for new APARs?
  1. A
    Resource Link
  2. B
    Fix Central
  3. C
    z Systems Security Portal
  4. D
    IBM Security zSecure Suite

Correct Answer:
C
The z Systems Security Portal is intended to help you stay current with security and system integrity fixes by providing current patch data and associated Common
Vulnerability Scoring System (CVSS) ratings for new APARs. Security Notices are also provided to address highly publicized security concerns.
References:
https://www-03.ibm.com/systems/z/solutions/security_subintegrity.html

Question #20
A customer running a z13-N63 model 710 realizes they have an upcoming peak that will last for five days. They will need additional processor capacity plus more memory to support this peak. The machine currently has 256GB of pre-planned memory. They have a Customer Initiated Upgrade (CIU) contract already in place.
Prior to this peak, what should the customer do?
  1. A
    Add five temporary processors using On/Off CoD; although the required temporary memory must be ordered and installed by IBM before the peak.
  2. B
    Use Capacity for Planned Event (CPE) for both the processors and memory needed.
  3. C
    Use CIU to purchase the memory and use On/Off CoD to add temporary processors before the peak.
  4. D
    Use On/Off CoD to add the temporary processors and the temporary memory needed before the peak.

Correct Answer:
D
Temporary upgrades -
Three types of upgrades are provided through the following offerings:
✑ On/Off Capacity on Demand (On/Off CoD) -
This offering allows you to temporarily add additional capacity or specialty engines due to seasonal activities, period-end requirements, peaks in workload, or application testing.
✑ Capacity Backup (CBU)
This offering allows you to replace model capacity or specialty engines to a backup server in the event of an unforeseen loss of server capacity because of an emergency.
✑ Capacity for Planned Events (CPE)
This offering allows you to replace model capacity or specialty engines due to a relocation of workload during system migrations or a data center move.
You can order CPE or CBU temporary upgrade records or related entitlements, such as CBU tests, using the CIU application through Resource Link or calling your IBM sales representative. You can only order an On/Off CoD temporary upgrade using the CIU application through Resource Link.
References: IBM Z Capacity on Demand User's Guide (2017), page 2

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