IBM IBM Certifications C1000-021 Questions & Answers

• Question 101:

  A customer is evaluating an IBM Storwize V7000 for high performance storage for applications and the

  ability to run storage backups with the least impact on performance.

  Which solution meets the customer's requirements?

  A. Create volumes with volume mirroring between I/O Groups.

  B. Use IBM Spectrum Protect Snapshot to create a copy to another storage pool.

  C. Create volumes with volume mirroring to a virtualized external IBM Storwize V5010.

  D. Setup volumes from two IBM Storwize V7000 systems and use Metro Mirror.

  Correct Answer: B

  Reference: https://www.ibm.com/downloads/cas/L1VYBZGR

• Question 102:

  A customer is evaluating an IBM Storwize V5010 solution and wants to know what additional software

  functions are available.

  Which additional feature on the IBM Storwize V5010 is a chargeable upgrade?

  A. FlashCopy

  B. Encryption

  C. Data Reduction Pools

  D. Compression

  Correct Answer: B

  Reference: http://www.redbooks.ibm.com/redpieces/pdfs/sg248162.pdf

• Question 103:

  A customer needs to significantly increase the performance of an existing IBM Storwize V7000 Gen1

  based on 15k RPM SAS disks with minimal investment.

  What is the most effective way to achieve this?

  A. Add five percent of flash storage to the pool

  B. Acquire an IBM Storwize V7000F

  C. Add compression cards and enable RtC

  D. Purchase Easy Tier

  Correct Answer: A

  Reference: https://www.google.com/url? sa=tandrct=jandq=andesrc=sandsource=webandcd=1andved=2ahUKEwjwm4_svJjhAhXIzaQKHW_pA3YQFjAAegQIB RACandurl=https%3A%2F%2Fwww.ibm.com%2Fdeveloperworks%2Fcommunity%2Ffiles% 2Fbasic% 2Fanonymous%2Fapi%2Flibrary%2F33795c8c-583c-400a-9702-a99258c444ef%2Fdocument% 2Fd34630de-48af-408d-86fb-5bfbe8d5ea3d%2Fmedia%2FSpectrum_Virtualize_Updates20170119V2% 2520Webinar%25201-19- 17.pdfandusg=AOvVaw14pirndj_tB8B97b1UuRcG

• Question 104:

  A technical specialist is conducting a disk technology briefing to position the IBM FlashSystem V9000 against flash drives in an IBM Storwize V7000. The customer asks, "Why is SSD latency greater than a flash module?" How should the technical specialist respond to the customer?

  A. Larger capacity SSDs use TLC technology which is slower than MLC

  B. The SSD is using a traditional drive style interface protocol, which can cause a performance overhead.

  C. SSDs use much slower internal SLC flash technology than the IBM FlashSystem, which uses eMLC/ MLC.

  D. The cache memory in the IBM Storwize V7000 is less, which increases latency.

  Correct Answer: A

• Question 105:

  A customer has two IBM Storwize V7000 I/O groups. As part of its business continuity plan, one unit is

  located within its primary site and the other at a disaster recovery site. The customer synchronously

  replicates between each IBM Storwize V7000.

  What should the customer configure to provide fast non-disruptive failover in case of an outage?

  A. Transparent Cloud Tiering

  B. Stretched cluster

  C. HyperSwap

  D. Global Mirror

  Correct Answer: C

  Reference: https://en.wikipedia.org/wiki/IBM_SAN_Volume_Controller

• Question 106:

  A customer would like to reduce the amount of backup data being stored on its IBM Storwize V7000

  storage.

  Which IBM Spectrum Protect feature should the technical specialist propose?

  A. Encryption

  B. Data deduplication

  C. Node replication

  D. Integration with hardware snapshots

  Correct Answer: D