IBM IBM Certifications C1000-031 Questions & Answers

• Question 41:

  A customer's infrastructure is currently based on a Power System E870 managed by an HMC 7042-CR6 at V8.860 SW level. They are planning to upgrade their server to a new Power System E980.

  Which of the following will enable the customer to connect an HMC to the Power System E980?

  A. Install vHMC on a partition on the Power System E980.

  B. Order a new Power-based HMC (7063-CR1).

  C. Upgrade the software on the existing HMC.

  D. Use the existing HMC at the current SW level.

  Correct Answer: C

• Question 42:

  When using Mobile Activations in Power Enterprise Pools and LPM (Live Partition Mobility) migration, which of the following is true?

  A. The target system must have available inactive CoD capacity.

  B. Additional PowerVM licenses for the target system must be purchased.

  C. The customer must return the mobile activations to the source systems processor pool within 30 days.

  D. The customer must notify IBM prior to moving activations to the target system.

  Correct Answer: B

• Question 43:

  A customer has two POWER8 processor-based servers with eight partitions on each system. They are upgrading to two POWER9 processor-based servers and want to improve their application uptime during the upgrade/migration to the new servers.

  What feature should they implement?

  A. Live Partition Mobility between servers

  B. Remote Recovery on both servers

  C. Active Memory Expansion on each server

  D. Memory Deduplication between servers

  Correct Answer: C

• Question 44:

  What is L4 cache?

  A. Off-processor-chip buffering to provide faster main memory access in enterprise servers.

  B. Allows for Active Memory Expansion of the main memory in enterprise servers

  C. On-processor-chip buffering of GPU results

  D. On-processor-chip buffering between L3 and POWER9 processor cores

  Correct Answer: D

  Reference: https://superuser.com/questions/1073937/what-does-l4-cache-hold-on-some-cpus

• Question 45:

  A customer's Disaster Recovery plan requires daily backup tapes from their POWER9 processor-based server to be sent off-site. The POWER9 processor-based server is attached to an IBM Tape Library with LTO-7 tape drives and Storwize V7000 storage devices. The customer is concerned about the liability of sending sensitive data off premises.

  Which of the following solutions will satisfy the customer's concerns?

  A. Enable the optional Storwize encryption feature.

  B. Purchase the LTO Tape Encryption feature and Security Key Lifecycle Manager (SKLM)

  C. Purchase an IBM Cryptographic Co-Processor.

  D. Purchase IBM Multi-Cloud Data Encryption.

  Correct Answer: A

• Question 46:

  Which open source technology forms the basis for PowerVC?

  A. Linux

  B. KVM

  C. Hadoop

  D. OpenStack

  Correct Answer: D

  Reference: https://kruemcke.wordpress.com/2013/12/04/why-openstack-for-powervc/

• Question 47:

  Which technology allows for simultaneous network adapter sharing between LPARs using VIOS and LPARs with dedicated I/O?

  A. NPIV

  B. iSCSI

  C. RoCE

  D. SR-IOV

  Correct Answer: D

  Reference: https://www.google.com/url? sa=tandrct=jandq=andesrc=sandsource=webandcd=2andved=2ahUKEwjA_puYnPfeAhWp4YUKHWFAb8QFjABegQIBRACandurl=https%3A%2F%2Fwww.ibm.com%2Fdeveloperworks%2Fcommunity% 2Fwikis% 2Fform%2Fanonymous%2Fapi%2Fwiki%2F61ad9cf2-c6a3-4d2c-b779-61ff0266d32a%2Fpage %2F1cb956e8-4160-4bea-a956-e51490c2b920%2Fattachment%2Fa1593ad6-9bd8-4d79-9c46c31848863b99%2Fmedia%2FSR-IOV% 2520Overview%2520and% 2520Configuration_AIXVUG.pdfandusg=AOvVaw0S6laWeDrz8sZ9b__aOucj

• Question 48:

  What is the minimum amount of rack space that an 80 core Power System E980, without any I/O drawers, will take up in a 19 inch rack?

  A. 10U

  B. 12U

  C. 16U

  D. 8U

  Correct Answer: D

• Question 49:

  An IBM i customer has a POWER9 processor-based server set up with a single virtual machine with an HMC. They need to test a new version of the existing application for two weeks, separate from the production environment. Disk capacity is currently 40%. CPU requirements are minimal.

  Which is the least cost and effort option?

  A. Purchase new disk for an additional virtual machine.

  B. Create a virtual machine on the current server.

  C. Rent a POWER9 processor-based server.

  D. Rent a virtual machine in the Cloud.

  Correct Answer: B

• Question 50:

  A customer with critical up-time requirements is comparing POWER9 processor-based servers.

  Which RAS feature is found only on the Power System E980?

  A. Redundant Service Processors

  B. Hot swap fans

  C. Chipkill memory

  D. Split backplane

  Correct Answer: A

  Reference: http://www-01.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_sm/3/877/ ENUS9080-_h03/index.htmlandrequest_locale=en