IBM C4090-958 Online Practice Questions and Exam Preparation

IBM C4090-958 Online Questions & Answers

• Question 21:

  A customer has two redundant fabrics with four switches per fabric1 and each fabric has two VSAN5.

  What is the minimum number of out-of-band connections required by Fabric Manager to discover and manage the fabrics?

  A. 2
  B. 4
  C. 8
  D. 16
  A. 2

• Question 22:

  A technical specialist is enhancing an existing EMC storage environment with the IBM SAN Volume Controller. One of the primary customer requirements is to reclaim space in the existing environment by using real-time compression. Which tool should the technical specialist use?

  A. RMF Magic
  B. Disk Magic
  C. Capacity Magic
  D. Comprestimator
  D. Comprestimator

• Question 23:

  A customer is planning to install two XIV storage systems with synchronous mirroring. The two storage systems will be in separate data centers approximately 50 km apart. The technical specialist has been asked what guidelines should be followed to avoid degraded host I/O.

  Which guideline should the technical specialist discuss?

  A. the link between sites must support the full peak host write rate
  B. use interval schedule named "Never" to configure the synchronous mirror
  C. the link between sites must support minimum speed of 50 Mbps per FC connection
  D. if a single link is used between sites, then only connect one module per XIV system to each other
  C. the link between sites must support minimum speed of 50 Mbps per FC connection

• Question 24:

  On XIV Gen3 what is the internal interconnect between the modules?

  A. Ethernet
  B. InfiniBand
  C. FICON (zHPF)
  D. Fibre Channel
  B. InfiniBand

• Question 25:

  A customer is installing a new backup solution. An existing tape Ii brary based on TS1 120 Tape Drives that was installed on 7 September 2006 is proposed as part of the solution due to lack of customer funds. Additionally, because of local regulations, any tapes transported between locations require encryption.

  What advice should the technical specialist give?

  A. Keep the TS112O drives and implement a chargeable upgrade to enable encryption
  B. Keep the TS1 120 drives and implement a chargeable upgrade to make them TS1 130 drives
  C. Replace the TS112O drives with TS1 140 drives, as the TS112O drives will not support encryption
  D. Replace the TSI 120 drives with TS1 140 drives, as the TS1 120 drives support only AES2S6 encryption
  A. Keep the TS112O drives and implement a chargeable upgrade to enable encryption

• Question 26:

  A System z customer running z/OS Vi .11 is using a single D58801J storage system with Easy Tier enabled. Storage performance for a business critical application needs to improve to handle end-of-month and end-of-quarter processing. The customer requires minimal disruption to operations.

  Which feature or action should the technical specialist recommend to the customer to improve performance for this application?

  A. Install a megapack of SSDs
  B. Enable and configure I/O Priority Manager
  C. Increase the installed cache of the D58800
  D. Adjust the cache block size used by the D58800
  B. Enable and configure I/O Priority Manager

• Question 27:

  A customer wants to improve their Recovery Point Objective for a set of volumes to 2 hours by keeping a snapshot every hour for 7 days of this consistency group of 10 volumes. The volumes contain databases that are reorganized every night.

  What is a concern for this solution on XIV Gen3?

  A. XIV Gen3 performance will degrade when taking a snapshot
  B. If a snapshot is restored from 1 day ago, all older snapshots will be lost.
  C. High latencies will occur every hour at the point the group snapshot is taken.
  D. Snapshots kept for that long could consume much more space than the actual volumes.
  B. If a snapshot is restored from 1 day ago, all older snapshots will be lost.

• Question 28:

  A customer has a large non-IBM storage environment, EMO and HDS, with a mixture of VMware, Linux, Unisys mainframe and Windows, including Windows 2003, based hosts. The customer is very interested in XIV storage and the technical specialist has been asked to provide an IBM XIV storage solution with a migration plan to replace his current storage environment.

  What is the biggest obstacle to an all IBM solution?

  A. VMware is not supported on XIV
  B. Windows 2003 is not supported on XIV
  C. HDS storage cannot be migrated to XIV
  D. Unisys mainframe is not supported on XIV
  D. Unisys mainframe is not supported on XIV

• Question 29:

  Which RAID level is implemented in the XIV?

  A. RAID 5
  B. RAID X
  C. RAID DP
  D. RAID 10
  D. RAID 10

• Question 30:

  A Business Partner has just sold a DS8870 with one Expansion Unit and wants to implement encryption. What is a responsibility of the customer for deployment?

  A. ensure DS8870 Expansion Unit is installed appropriately
  B. ensure the DS8870 is upgraded to the latest microcode level
  C. system configuration and integration of TKLM server
  D. encryption license installation and integration of TKLM server
  D. encryption license installation and integration of TKLM server