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E20-845
EMC
Business Continuity Expert Exam for Implementation Engineers
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Question: 1
After a TimeFinder/Clone symclone session is created or recreated, the copy option may be
modified.
Which command is valid?
A. symclone -g ProdDB set mode diff
B. symdev -g ProdDB set mode precopy
C. symclone -g ProdDB set mode precopy
D. symcfg -g ProdDB clone set mode diff
Answer: C
Question: 2
You have been asked to architect an Exchange disaster recovery solution using the TimeFinder
Integration Module for Exchange.
The customer can withstand no more than eight hours of data loss if a site failure occurs. You
have designed the architecture as shown in the figure.
Which command line will produce the correct result?
A. exbackup2003 -s prod -hot -srdf
B. exbackup2003 -s prod -vss -srdf
C. exbackup2003 -s prod -vss -rbcv
D. exbackup2003 -s prod -hot -nolog -srdf
Answer: D
Question: 3
You have designed an SRDF/AR, multi-hop solution for your customer.
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The customer has decided to script the replication and run the commands against a Symmetrix
device group on Host A. After the implementation, the scripts the customer wrote fail when
running the command to split the BCV from the R2 at Site C.
Which command is correct?
A. symmir -g dg_name split -rbcv
B. symmir -g dg_name split -rrbcv
C. symmir -g dg_name split -rdf -bcv
D. The symmir command cannot use a device group if run from Host A
Answer: D
Question: 4
You are implementing a TimeFinder solution on an AIX host. All the BCVs are visible to the host
and available. The next day, the BCVs are not defined, and the host cannot see them. What
happened?
A. mkbcv did not run
B. cfgmgr did not run
C. The host rebooted and mkbcv did not run
D. The host rebooted and cfgmgr did not run
Answer: C
Question: 5
You are planning a new replication of an online transaction processing (OLTP) Oracle database
to a remote Symmetrix. The requirements for the task are:
1. The distance between the local and remote sites is 1600 km
2. The local database must remain online
3. The customer requires only a restartable copy of the database on the target site
4. The task should have a minimum performance impact to the local database
Choose the best set of EMC technologies for the implementation.
A. R2, RBCV, Instant Split Technology, and SRDF/DM
B. R1/BCV, R2, Instant Split Technology, and SRDF/S
C. R2, RBCV, Consistent Split Technology, and SRDF/S
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D. SRDF/A or SRDF/AR single hop
Answer: D
Question: 6
The customer is working with a Dynamic SRDF Group named ProdGrpB and has failed over to
the R2 DMX. Select the command that will swap the R1 designation of the RDF1 devices and
mark for refresh any modified data on the current R1 side of these BCVs from the R2 mirrors.
A. symrdf -g ProdGrpB -all swap
B. symrdf -g ProdGrpB -bcv swap -refresh R1
C. symrdf -g ProdGrpB -bcv swap -refresh R2
D. symrdf -g ProdGrpB -bcv swap -refresh ALL
Answer: B
Question: 7
A customer has an application that runs on a SQL Server 2000 database, and the information is
stored on a DMX. The customer wants to make daily, local backups of the database using TSIM.
What action does the tsimsnap backup command perform to create this local copy?
A. Establishes standard and BCV volumes
B. Keeps track of the database backup history
C. Requests the operator perform a SQL Server snapshot
D. Flushes the filesystems used by the database and performs the BCV split
Answer: D
Question: 8
A customer is running AIX 5.1 and Solutions Enabler 5.4. The customer expanded a striped
metavolume and chose to preserve the data. They ran cfgmgr but the operating system does not
recognize that the size of the physical volume has changed. What needs to be done to enable the
logical volume manager to use the new space?
A. Unmount the file system, vary off the volume group, run emc_cfgmgr, vary on the volume
group
B. This cannot be done in AIX 5.1. Destroy the volume group and recreate it. Restore the data
from tape
C. Unmount the file system, vary off the volume group, run emc_cfgmgr, run chgvg -g vg_name,
vary on the volume group
D. Unmount the file system, vary off the volume group, export the volume group, run
emc_cfgmgr, import the volume group, vary on the volume group
Answer: B
Question: 9
When implementing TimeFinder/Snap what is the recommended number of allocated Save
Devices per Virtual Device?
A. One Save Device per 2 DEVS
B. One Save Device per 5 to 10 VDEVs
C. One Save Device per 7 to 12 VDEVs
D. One Save Device per 12 VDEVs
Answer: B
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