Online Access Free C4090-453 Exam Questions

What is the standard topology for volume relationships in a DS8000 Global Mirror environment?

• A.Volume 1 is in a Global Copy relationship with Volume 2. Volume 2 is in a FlashCopy relationship with Volume 3. Volume 1 and Volume 2 are also defined in the Global Mirror session.
• B.Volume 1 is in a Metro Mirror relationship with Volume 2. Volume 2 is in a FlashCopy relationship with Volume 3.
• C.Volume 1 is in a Global Copy relationship with Volume 2. Volume 2 is in a FlashCopy relationship with Volume 3. Volume 1 is also defined in a Global Mirror session.
• D.Volume 1 is in a Global Mirror relationship with Volume 2.

What is DS8000 Assist On Site (AOS)?

• A.AOS is an STG lab services program to assist DSS000 customers perform HDD secure data erase.
• B.AOS is a GTS program to assist DS8000 customers for data migration.
• C.AOS is an STG lab services program to assist DSS000 customers onsite for machine performance improvements.
• D.AOS is a program designed to help DS8000 customers support accessing the system remotely through SSL secure connection.

After initial installation of DSSSOO systems in a customer site a review must be conducted to verify that the disk system performance is in range.
How can the cache hit ratio be verified?

• A.Use Tivoli Storage Productively Center
• B.Use the pen stat command in the CLI
• C.Use the DSS000 Real Time Performance Monitor
• D.Issue the CLI command dscli>verify-perf-read hit-time period

A D38870 administrator would access the GUI using:

• A.A thick client
• B.Only the HMC
• C.The POWER7 controller
• D.A browser

The exhibit represents a report from Capacity Magic. A customer wants to implement a mixed Open and System z environment. They will be using a combination of SSD, SAS and Nearline SAS drives. System z will require PAV. The NL-SAS drives will be used for FlashCopy targets for Open Systems and for Historical Report Data for z/OS. They wish to use Metro Mirror to replicate the Opens Systems production data to a remote site.

Which of the following best describes the minimum license requirements?

• A.OEL = 258TB, MM = 258TB, FlashCopy = 258TB, PAV = 258TB, EICON = Yes
• B.OEL = 258TB, MM = S7TB, FlashCopy = 87TB, PAV = 87TB, FICON = Yes
• C.OEL = 173TB, MM = 87TB, FlashCopy = 48TB1 PAV = 87TB, FICON = Yes
• D.OEL = 258TB, MM = 141TB, FlashCopy = 141TB, PAV = 1 17TB, EICON = Yes