IBM C4090-454 Online Practice Questions and Exam Preparation

IBM C4090-454 Online Questions & Answers

• Question 21:

  Which of the following best describes the TS1140 EastSync function?

  A. Matches the input and output data rates of the main buffer
  B. Uses a non-volatile cache for small transaction sizes (less than 204 MB compressed)
  C. Reads forward to the requested target block rather than performing a higher-speed tape motion
  D. Improves synchronized write performance for larger transactions (greater than 204 MB compressed)
  B. Uses a non-volatile cache for small transaction sizes (less than 204 MB compressed)

• Question 22:

  A service provider has two separate customers on different LPARS using a TS7740 and wants to ensure that neither customer can access the other customer's data from the host. Which of the following features, functions or processes would be recommended to achieve this?

  A. Use IODF and SDAC to prevent access to volume ranges by Libport ID
  B. Create separate partitions within the TS7700 using the categories defined in the DEVSUP member
  C. The functions DAA and SAA will work with JES2 on z/OS to direct workloads to the correct cluster
  D. Create separate physical cartridge pools so each customer's data resides on a different cartridge range
  A. Use IODF and SDAC to prevent access to volume ranges by Libport ID

• Question 23:

  Which of the following functions is a competitive advantage of IBM enterprise tape over other vendor tape technologies?

  A. Built-in data compression
  B. Self-encrypting tape drives
  C. Capacity scaling capability for cartridges
  D. Backwards compatibility with previous generation tapes
  C. Capacity scaling capability for cartridges

• Question 24:

  Which statement best describes Recovery Point Objective?

  A. The maximum tolerable time it takes to restore service to all users between outage and 100% of the users back online.
  B. How much data (typically measured in minutes, or seconds) the business can afford to recreate (or lose) after a disaster.
  C. The maximum tolerable time to re-establish and/or restart the network between outage and the network being available again.
  D. The maximum time the business can tolerate the IT systems and critical applications being unavailable, between outage and the system being available again.
  B. How much data (typically measured in minutes, or seconds) the business can afford to recreate (or lose) after a disaster.

• Question 25:

  What function does the TS7700 Sync Mode Copy enable or perform?

  A. It copies the synchronized volumes between the clusters
  B. It synchronizes the copies of the TS7700 databases between clusters
  C. After writing the entire volume the TS7700 uses Sync Mode Copy to synchronize the data between all clusters
  D. When the host application issues an explicit synchronize operation all previously written records are replicated to another cluster
  D. When the host application issues an explicit synchronize operation all previously written records are replicated to another cluster

• Question 26:

  Which two are valid grid adapter configurations in a TS7700? (Select two)

  A. Two 1 Gb adapters
  B. One 10 Gb adapter
  C. Two l0Gbadapters
  D. Four 10 Gb adapters
  E. One 1 Gb adapters and one 10 Gb adapters
  A. Two 1 Gb adapters
  C. Two l0Gbadapters

• Question 27:

  Which two of the following environments are supported for use with a TS7700? (Select two)

  A. AIX
  B. z/VSE
  C. z/TPF
  D. MVS/ESA
  E. z/Linux
  B. z/VSE
  C. z/TPF

• Question 28:

  Which of following media formats and cartridge types are supported for writing data with the IBM TS1130 Tape Drive?

  A. JX and EFMT3
  B. JB and EFMT4
  C. JC and EFMT3
  D. JA and EFMT1
  A. JX and EFMT3

• Question 29:

  An existing single cluster TS7740 customer needs to double the backup throughput from 500 MB/sec to 1000 MB/sec. This customer currently has a 3957-VOl configured with: 1 3956-CC8 controller 5 x 100 MB/sec Enablement 6 x 1 TB Cache Enablement 4 x F ICON Long wave Attachment

  Which of the following would fulfill the above upgrade requirements?

  A. Additional: S x 100 MB/sec Enablement 21 TB of 3956-CX7
  B. Additional: 5 x 100 MB/sec Enablement 14 x 1 TB Cache Enablement4 x FICON Longwave Attachment
  C. Additional: 5 x 100 MB/sec Enablement 14 x 1 TB Cache Enablement4 x FICON Longwave Attachment 14 TB of 3956- 0X7
  D. Additional: 5 x 100 MB/sec Enablement 14 x 1 TB Cache Enablement 2 x 1 GB Grid Dual Port Copper Connection 14 TB of 3956-CX7
  A. Additional: S x 100 MB/sec Enablement 21 TB of 3956-CX7

• Question 30:

  A customer wants to move a set of LPAR workloads from a TS7740 four-way grid in Location A to a new TS7740 three- way grid in Location B. The move must be staged for operational reasons. The customer has successfully moved the first LPAP's workload and established the new grid in Location B. What mechanism would be required to move the remaining workloads?

  A. copy export
  B. grid replication
  C. copy export merge
  D. TDME to copy the tape volumes
  C. copy export merge