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Exam : EMC E20-845
Title : Business Continuity Expert Exam for Implementation Engineers


1. A customer needs to implement a multi-hop SRDF/AR configuration.
How does the bandwidth between Symmetrix arrays impact the potential amount of data lost in case of failure?
A.Less bandwidth means more cache required
B.Less bandwidth means longer SRDF/AR cycles
C.More bandwidth means longer SRDF/AR cycles
D.More bandwidth means potential data inconsistency in case of failure
Answer: B

2. Click the Exhibit button.
Based on the symrdf query output, what is needed to make the state of RDF pairs consistent?
A.Change SRDF to synchronous mode, perform SRDF update, then change SRDF to asynchronous mode
B.Change SRDF to adaptive copy mode, perform SRDF update, then change SRDF to asynchronous mode
C.Change SRDF to adaptive copy mode, perform SRDF resume, then change SRDF to asynchronous mode.
D.Change SRDF to synchronous mode, write disable R2, perform SRDF failover, perform SRDF resume, then change SRDF to asynchronous mode
Answer: C

3. A customer is implementing SRDF/A over GigE but is having problems getting through the corporate firewall.
What are the first steps for troubleshooting?
A.Verify cache on both DMXs exactly match, and COVDs are defined on both DMXs
B.Verify the SRDF link TCP/IP port matches on each DMX, and that port is open on the firewall(s)
C.Verify the Fibre adapters are configured as SNOW resources, and COVDs are properly defined in the bin files
D.Turn off data compression on the GigE adapters, verify TCP/IP addresses on both DMXs, and verify SNOW is defined on the SRDF GigE adapters' bin file.
Answer: B

4. A customer is using a RAID-1 standard device that already has a paired BCV and one CopyOnAccess Clone copy.
What is the maximum number of additional CopyOnWrite Snap sessions that the customer can create on this device?
A.1
B.7
C.13
D.16
Answer: C

5. A customer wants to split a BCV copy of the production database once a week and then use Clones of the BCV for testing.
Which operations are required to make a Clone usable by a host?
A.Activate the Clone and split the Clone
B.Establish the Clone and split the Clone
C.Split the BCV, create the Clone, and activate the Clone
D.Establish the BCV, create the Clone, and mount the Clone
Answer: C

6. A customer has had security issues in the past. To resolve them, firewalls were set up between network segments within and external to his data center environment. You are configuring the communication between the Replication Manager server and the administration console(s).
Which port must be allowed to pass through the firewalls to facilitate administration?
A.6753
B.8080
C.65431
D.65432
Answer: D

7. After doing a BCV split and mount on a Window's backup host, the customer determines the data on the BCV copy is inconsistent and missing files. The customer's script is using the SUI utility symntctl.
Which command should be used to help prevent the inconsistent BCV?
A.umask
B.flush
C.umount
D.deport
Answer: B

8. 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

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