Prepking E22-211 Exam Questions

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Exam : EMC E22-211

Title : Emc Mainframe Remote

Replication Exam

Version : R6.1



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1. You are installing TimeFinder Utility using SMP/E.

The APPLY job fails with a missing PREREQ for SCF. What must you do before you can re-run the APPLY

job?

A. Update the SCFINI file

B. Re-install TimeFinder Utility using SMP/E

C. Stop the Host Component started task and update the configuration file

D. Apply SMPE PFTs or re-install the latest version of ResourcePak Base

Answer: D

2. You want to resynchronize changes from R2 to R1. The invalid tracks on the R1 side will be discarded.

You are running an SRDF/S configuration without BCVs. You completed the following steps a the R2 site:

Which step was missed?

A. Perform personality swap

B. Make remote R1 not ready

C. RFR-RSUM on R1devices

D. RDF-RSUM on R1 devices

Answer: C

3. Which value do you specify when indicating a gatekeeper device in the SRDF Host Component

commands?A. z/OS VOLSER

B. Only z/OS device

C. Only Symmetrix device

D. z/OS device or Symmetrix device

Answer: B

4. Which product is needed for SRDF/S and requires ResourcePak Base as a pre-requisite?



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A. Open Replicator

B. TimeFinder/Mirror

C. SRDF Host Component

D. SRDF Host Component - ISPF Interface

Answer: C

5. Which device type, in addition to SRDF R1 devices, is valid in an SRDF Consistency Group?

A. R2

B. SFS

C. STD

D. DRV

Answer: C

6. Which statement is true in a SRDF/AR environment?

A. The process is controlled by the RDF address space

B. Two multi-hop processes may be defined to the same SCF

C. Two multi-hop processes require two SCF address spaces

D. Two multi-hop processes require two RDF address spaces

Answer: B

7. What happens when you drop out of SRDF/A?

A. The R1 devices are suspended on the link, Writes at the source are discarded and consistency is

preserved at the R2

B. The R1 devices are suspended on the link, Writes at the source are marked invalid and consistency is

preserved at the R2

C. The R1 devices are made ready on the link, Writes at the source are marked invalid and consistency is

preserved at the R2

D. The R1 devices are suspended on the link, Writes at the source are marked invalid and consistency is

not preserved at the R2

Answer: B

8. When is SRDF/A automatic cleanup performed?

A. When Cycle Time is changedB. When Tolerance Mode is changed

C. When RDF Resume command has been issued

D. When SRDF/A goes from Active to Inactive State

Answer: D

9. Your company has implemented Consistency Group with AutoSwap. An IPL is required while operating in

a swapped state.



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What must you do to ensure continuous operations?

A. Perform a REFRESH-RESUME

B. Create a complementary HCD I/O configuration

C. Perform a dynamic SRDF personality swap of all swap devices

D. Create a dynamic SRDF complement group with the page dataset devices

Answer: B

10. Which SRDF link option is valid in a Symmetrix BC configuration?

A. iSCSI

B. FICON

C. ESCON

D. Hyper-IP

Answer: C

11. Which cache event has the greatest host impact to an existing SRDF/S configuration?

A. Fast write

B. Read miss

C. Delayed fast write

D. Tag based caching

Answer: C

12. At which level does a dynamic spare copy the data?

A. RAID rank

B. Hyper volume

C. Physical drive level

D. Host physical volume

Answer: B

13. What is the best description of Symmetrix logical volume?

A. The disk entity presented to a host via channel director port

B. The disk entity presented to the Symmetrix as defined in the bin file

C. The disk entity as understood by a portion of a Symmetrix physical disk

D. The disk track count reserved in cache for the "slice" as defined in the binAnswer:A

14. Which internal Symmetrix features enable a RAID 10 configuration to provide better performance to the

customer?

A. PAVs and DMSP

B. DMSP and disk striping

C. DMSP and perma cache



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D. Cache striping and DMSP

Answer: B

15. Which parity protection method is generated in Cache rather than at disk level?

A. RAID 1

B. RAID 5

C. RAID 10

D. Parity RAID

Answer: B

16. Which two [2] functions can be performed when using a RAID 1 standard SRDF device and an

unprotected BCV associated with that standard?

A. Create a clone image

B. Invoke dynamic spare

C. Perform a BCV restore

D. Establish a protected BCV

Answer:AC

17. You want to redesign an existing SRDF/S BC remote replication configuration to reduce mirror

positions.

What is the best option?

A. Implement BCVs

B. Implement snaps

C. Implement clones

D. Implement virtual devices

Answer: C

18. Your customer has a standard unprotected device.

It is an R1 SRDF to a mirrored R2 device.

How many mirror positions do they have available in the source frame?

A. 0

B. 1

C. 2D. 3

Answer: C

19. Your application requires a re-startable data base image at the disaster site using the lowest possible

bandwidth to reduce network costs.

Which solution can meet this requirement?

A. SRDF/A



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B. SRDF/DM

C. SRDF/A and MSC

D. SRDF/AR single-hop

Answer: D

20. Which statement is true for QOS?

A. Is frequently used with SRDF/S

B. Is frequently used with SRDF/DM

C. Can be dynamically changed through Host Component

D. Can be dynamically changed through ResourcePak Base

Answer: B

21. Which SRDF mode transfers just the updated blocks and not the entire track?

A. SRDF/S

B. SRDF/S, SRDF/A

C. Adaptive Copy - Disk mode

D. Adaptive Copy - Write Pending mode

Answer: D

22. A customer requires a solution that addresses zero data loss, data integrity and the ability to recover at

a DR site.Which solution best fits these requirements?

A. SRDF/STAR configuration with TimeFinder

B. SRDF/AR configuration without TimeFinder

C. SRDF/S solution to their DR site with is 500 miles away

D. SRDF/A solution to their DR site which is 500 miles away

Answer:A

23. Your customer has the following issues/requirements:

Which solution meets these requirements?A. SRDF/A during the day; Switch to SRDF/STAR at night

B. SRDF/S during the day; SRDF/Adaptive Copy overnight; Full establishes on remote BCVs

C. SRDF/A during the day; Switch to SRDF/DM at night; Use BCVs at both sites as daily backups

D. SRDF/AR during the day; Switch to SRDF/S at night; Use BCVs last split at noon for nightly backups

Answer: C

24. A customer is reviewing their current DR strategy. They want a solution that will give them reasonable



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data protection at an acceptable ROI.

What is the best solution for them and why?

A. SRDF/AR because BCVs can be configured in the bin file without TimeFinder

B. SRDF/A because it guarantees a track for track mirror of their data at the DR site

C. SRDF/AR because they will not have to put any hardware or software at their DR site

D. SRDF/A because it costs the least in terms of performance and gives consistent data at the DR site

Answer: D

25. You recently installed SRDF Host Component on your z/OS host.

You run a batch job to establish your R1 to its R2. The job abends with a U806 abend.

What must happen prior to starting another Host Component batch job?

A. Recycle Host Component started task

B. You cannot establish a static R1 to a dynamic R2

C. Install ResourcePak Base and start the started task

D. Verify the programs source dataset name and update the JCL

Answer: D

26. You are install ing a SRDF/STAR environment on a z/OS host.

What are two [2] requirements for creating and operating a SRDF/STAR configuration?

A. TimeFinder/Mirror for z/OS version 5.4 or higher

B. ResourcePak Base Extended version 5.4 or higher

C. SRDF Host Component for z/OS version 5.3 or higher

D. EMC Consistency Group for z/OS version 6.1 or higher

Answer: CD

27. Which SRDF solution should be used when a customer has the following requirements?

A. SRDF/A

B. SRDF/SC. SRDF/AR

D. SRDF/STAR

Answer:A

28. A customer has two sites with CPUs at each site and has the following requirements:



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Which SRDF solution should be used?

A. SRDF/A, Consistency Group and AutoSwap

B. SRDF/S, Consistency Group and AutoSwap

C. SRDF/AR, Consistency Group and AutoSwap

D. SRDF/A MSC, Consistency Group and AutoSwap

Answer: B

29. Which RPO, RTO & RGO would be used for a SRDF/STAR solution?

A. RPO - No Data Loss RTO - Fast RGO - Short Distance

B. RPO - No Data Loss RTO - Fastest RGO - Multi-location

C. RPO - No Data Loss RTO - Medium RGO - Multi-location

D. RPO - No Data Loss RTO - Fastest RGO - Short Distance

Answer: C

30. Your customer has limited bandwidth, an RPO of 0 data loss and RTO of best case.

What is the best solution?

A. SRDF/A

B. SRDF/A and MSC

C. SRDF/AR multi-hop

D. SRDF/AR single-hop

Answer: C

31. Which SRDF solution offers the best RPO with multiple location support?

A. SRDF/S

B. SRDF/STAR

C. SRDF/A MSC

D. SRDF/AR Multi-hop

Answer:B

32. Click the Exhibit button.



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You are planning an implementation of a DR solution for the environment shown in the attached diagram.

Which SRDF solution is recommended?

A. FA, SRDF/A

B. GigE, SRDF/S

C. ESCON, SRDF/A

D. ESCON, SRDF/S

Answer:A

33. What is a possible cause for performance issues with SRDF/A?

A. Clone activity on the R2 side

B. Decreased RDF QOS settings

C. Performing Virtual Device SNAPs from the R2s

D. Distributed Target R2 and BCVs across spindles

Answer:A

34. A customer has a data base instance that is high in sequential writes. They have a local DR site. They

want to implement a SRDF BC solution with a best effort RPO. What is the best option?

A. RAID 1, SRDF/A

B. RAID 1, SRDF/S

C. RAID 10, SRDF/A

D. RAID 10, SRDF/S

Answer: D

35. A customer has a data base instance that is high in sequential writes. They have a local DR site.

They want to implement a SRDF BC solution with a best effort RTO.

What is the best option?

A. RAID 1, SRDF/A

B. RAID 1, SRDF/S

C. RAID 10, SRDF/A

D. RAID 10, SRDF/S

Answer: C



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