C4090-454 Online Practice Questions and Answers

A customer wants to encrypt data written to tape drives. A competitor offers an encryption solution that encrypts the data before sending to the tape drives for compression. IBM wants to offer IBM TS1140 tape drives using the built-in encryption feature. Which competitive advantage does the IBM solution provide?

A. The TS1140 offers the most secure encryption method available on the market

B. The TS1140 encrypts and compresses data at the same time for best throughput

C. The TS1140 encrypts data before compressing in order to obtain best performance

D. The TS1140 compresses data before encrypting in order to obtain the best compression ratio

What is the key advantage of the IBM TS7720 over the EMO DLm?

A. Larger maximum capacity

B. Virtual drive scalability up to 256

C. Supports bi-directional replication in a grid

D. Deduplication which does not use hashing algorithms

Which activity is a customer responsibility during setup of a TS7700 Virtualization Engine?

A. Initializing logical volumes

B. Defining East Ready categories

C. Formatting the tape volume cache

D. Entering the library sequence number

A customer has installed a new TS7740 with 4 TB cache, 2 performance increments and 4 backend TS1140 drives. VEHSTATS shows that the TS7740 is experiencing pre-migrate throttling during the overnight batch run. What is the correct course of action?

A. Review the effect of throttling and the PMTHLVL value with the customer

B. Advise the customer to purchase an extra 2 TS1140 drives to relieve the throttling

C. Advise the customer to purchase an extra 1 TB cache increment to relieve the throttling

D. Advise the customer to purchase an extra performance increment to relieve the throttling

Which data can be encrypted when the TS7740 encryption feature code 9900 is enabled?

A. data on physical stacked cartridges

B. replicated data written across the network

C. data in the logical volumes written to the cache

D. all tape data before it is sent down the channel from the host

A proposed design includes a TS7700 and one 3952 frame with three installed 3592- 007 tape controllers. What is needed to provide high availability library management for the native tape drives in the TS3500?

A. Logical library option P04444 in the first two 007s

B. Logical library option P04444 in the first three 007s for n-i availability

C. No additional library management features required in the 007 as the function is provided in TS7700

D. Logical library option P04444 in the first three 007s which also provides library management for the TS7700

After a requirements analysis including the use of the Batch Magic tool, it has been determined that a TS7740 four-way grid is the most appropriate solution, with two clusters in each of two sites. The customer wants to have four copies of the data, (one in each cluster), but also to minimize the data sent over the network between the sites. What is the best way to setup the TS7740 Virtualization Engines to achieve this?

A. Setup cluster families

B. Set up 400 MB logical volumes

C. Set up Selective Device Access Control

D. Set up two two-way grids and write two copies of the data as before

Records held for historical, legal, or regulatory purposes, and often stored off-site, fall into which tape category?

A. Scratch

B. Process

C. Archive

D. Journal

What address space is used by z/OS to communicate with the TS7700?

A. JES2 or JES3

B. Workload Manager

C. Object Access Method

D. Catalog Address Space

What is the maximum number of 3490 control units that can be defined in HOD for a TS7700?

A. 4

B. 8

C. 16

D. 256