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Hitachi Data Systems Certified Expert - Replication solutions implementation Sample Questions:

1. A customer has a 20TB database at his primary site. The database is copied using TrueCopy to a second
site about 20km away. There are problems with the link to the second site. The second copy of the
database should always be the same as the primary copy. Which solution should be implemented?

A) Specify FENCELEVEL=DATA on the TrueCopy links.
B) Create a third copy of the database using ShadowImage at the primary site.
C) Create a third copy of the database using Universal Replicator at a third site.
D) Specify FENCELEVEL=NEVER on the TrueCopy links.

2. A customer is using ShadowImage on a Universal Storage Platform 1100 to create point-in-time copies of
a database every two hours. The production data is contained on 72GB RAID-1 parity groups and the
secondary volumes are contained on 300GB RAID-6 parity groups. The customer is running the latest
Command Control Interface (CCI) version on a Solaris server using the korn shell. The CCI device group
name for the ShadowImage volume is SI_db01. The customer discovers data corruption on the
production volumes and wants to restore from the last ShadowImage copy while maintaining RAID-1 for
the production volumes. Which two CCI commands will accomplish this objective? (Choose two.)

A) export HORCC_REST=NORMAL; pairresync -g SI_db01 -restore
B) pairresync -g SI_db01 -fq quick -restore
C) pairresync -g SI_db01 -fq normal -restore
D) export HORCC_REST=QUICK; pairresync -g SI_db01 -restore

3. Which two configurations are good candidates for a Three Data Center (3DC) Multi-target type replication
without purchasing additional hardware? (Choose two.)

A) Two local USPs connected through a SAN to Windows 2003 servers both having a TrueCopy
Asynchronous link to a distant USP 300km apart connected through a SAN to disaster recovery Windows
2 003 servers.
B) One primary USP connected through a SAN to Windows 2003 servers having a TrueCopy
Synchronous link to a disaster recovery local USP. A secondary site 300km apart with a USP connected
through a SAN to Windows 2003 servers.
C) A primary USP connected through a SAN to Windows 2003 servers. A secondary USP connected
through a SAN to Sun servers. Both USP sbeing cross copy connected by TrueCopy synchronous. A
disaster recovery distant USP 300km apart off-line to any CPU connected to local USPs by a Universal
Replicator.
D) Two local 9980v connected through a SAN to Windows 2003 servers with a TrueCopy Asynchronous
link to a distant 9980v 300km apart connected through a SAN to disaster recovery Windows 2003 servers.

4. A customer has a TrueCopy Asynchronous environment between two USP100 arrays with a cascaded
ShadowImage off of the TrueCopy secondary volumes at the recovery site. The customer would like the
ShadowImage volumes synchronized and suspended every four hours for ata protection from a rolling
disaster. Which steps should be scripted to ensure data consistency on the ShadowImage volumes with
the lowest impact to the recovery point?

A) 1) Resynchronize ShadowImage volumes.
2 ) Suspend ShadowImage volumes using At-Time Split.
B) 1) Resynchronize ShadowImage volumes using Quick Split.
2 ) Suspend ShadowImage volumes.
C) 1) Suspend TrueCopy volumes.
2 ) Resynchronize ShadowImage volumes.
3 ) Suspend ShadowImage volumes.
4 ) Resynchronize TrueCopy volumes.
D) 1) Suspend TrueCopy volumes.
2 ) Resynchronize ShadowImage volumes.
3 ) Suspend ShadowImage volumes using At-Time Split.
4 ) Resynchronize TrueCopy volumes.

5. A customer has an application that must have a second complete (zero RPO) copy of the data. The
second site is 70km away. It is a multi-task application and has strong SLAs. Which two solutions should
the customer consider to ensure that overheads are kept to a minimum? (Choose two.)

A) 2 x USP running Hitachi Universal Replicator linked by 2 x OC-3
B) 2 x USP running TrueCopy Synchronous linked by 2 x OC-3
C) 2 x AMS1000 running TrueCopy Synchronous linked by DWDM
D) 2 x USP running TrueCopy Asynchronous linked by DWDM

Solutions: