IBM C4090-452 Online Practice Questions and Exam Preparation

IBM C4090-452 Online Questions & Answers

• Question 31:

  The real time compression algorithm used for the Storwize V7000 compression feature is:

  A. Lempez Ziv (LZ)
  B. Huffman Coding
  C. Temporal Location
  D. Lempel Ziv Welch (LZW)
  A. Lempez Ziv (LZ)

• Question 32:

  When considering Metro Mirror. Global Mirror, or Global Mirror from a FlashCopy target, which requirement would determine the best replication solution to use?

  A. Response Time Objective
  B. Recovery Time Objective
  C. Recovery Point Objective
  D. Network Recovery Objective
  C. Recovery Point Objective

• Question 33:

  The same zoning considerations apply for the Fibre Channel connectivity' of the Storwize V7000 Unified and a standalone Storwize V7000, with one difference. What is that difference?

  A. That it also uses the iSCSI port for the Storwize V7000 Unified
  B. That there are 8 FC ports available (4 ports per node canister)
  C. That there are only 2 ports available (1 port per node canister)
  D. That there are only 4 FC ports available (2 ports per node canister)
  D. That there are only 4 FC ports available (2 ports per node canister)

• Question 34:

  On a Storwize V7000 how is the quorum disk used?

  A. Track volumes during migration
  B. Manage multi-tier storage pools
  C. Control volumes using Easy Tier
  D. Hold a copy of important system information
  D. Hold a copy of important system information

• Question 35:

  A customer wants to use the Real-time Compression feature in a SAN Volume Controller and Storwize V7000 environment. Which tool helps determine the capacity savings using this feature?

  A. Disk Magic
  B. Capacity Magic
  C. Comprestimator
  D. Storage Tier Advisory Tool
  C. Comprestimator

• Question 36:

  On Storwize V7000 which statement about running a reverse FlashCopy is TRUE?

  A. The source copy cannot be thin provisioned.
  B. All blocks are recopied to restore total consistency.
  C. The process must be managed by Tivoli Storage FlashCopy Manager.
  D. Only the blocks which have changed since the snapshot was made are being restored.
  D. Only the blocks which have changed since the snapshot was made are being restored.

• Question 37:

  Tivoli Storage FlashCopy Manager provides support to create and manage volume-level flash copies on a Microsoft Windows environment. What components are used to protect business critical data?

  A. Microsoft SQL Server technology and IBM Global Mirror
  B. Microsoft SQL services and IBM Shadow Copy technology
  C. Microsoft Volume Shadow Copy Services (VSS) and IBM storage hardware snapshot technology
  D. Microsoft replication services and Tivoli Storage Productivity Center Replication technology
  C. Microsoft Volume Shadow Copy Services (VSS) and IBM storage hardware snapshot technology

• Question 38:

  A customer is looking for a cost effective solution that will centralize the management of their existing IBM DS5100 with 120 TB of storage, and EMC CX4-120 with 50 TB storage. The customer also wants the ability to add capacity to the solution as needed. Which IBM solution best fits the customer requirements?

  A. DS5020
  B. StorwizeV7000
  C. N series Gateway
  D. SAN Volume Controller
  B. StorwizeV7000

• Question 39:

  Storwize V7000 volume mirroring creates more resilience in which of the following methods?

  A. Creates two copies of a storage pool
  B. Mirror a volume between two separate Storwize V7000 systems
  C. Allows both controller nodes to provide simultaneous read access
  D. Migrates volumes between storage pools that have different extent sizes
  D. Migrates volumes between storage pools that have different extent sizes

• Question 40:

  A customer requires a storage solution that will manage both block and file storage, with a performance requirement of 5,000 file ops. The customer expects that 80% of the storage will be block storage, and 20% will be file storage with an ILM strategy in the file system.

  What storage solution should be proposed?

  A. SONAS
  B. IBM N6240
  C. XIV system
  D. Storwize V7000 Unified
  D. Storwize V7000 Unified