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Exam Code: E20-361
Exam Name: Network Attached Storage (NAS) Implementation Exam
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E20-361 VCE Dumps Total Q&A: 319 Questions and Answers
Last Update: 2014-04-28

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Exam Code: E20-816
Exam Name: Symmetrix Solutions Expert Exam for Technology Architects
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E20-816 VCE Dumps Total Q&A: 156 Questions and Answers
Last Update: 2014-04-28

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Exam Code: E20-895
Exam Name: Backup Recovery - Avamar Expert Exam for Implementation Engineers
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E20-895 Real Exams Total Q&A: 211 Questions and Answers
Last Update: 2014-04-28

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NO.1 An Open Replicator data migration from a HDS to Symmetrix array is being proposed. The customer
has the following requirements: Application downtime should be minimal and Open Replicator session
failure must not result in data loss
Which solution will meet the customer's requirements?
A. Cold pull with precopy
B. Cold pull with donor update
C. Hot pull with donor update
D. Hot pull with precopy
Answer: C

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NO.2 A customer is implementing a new SRDF/S environment with DMX arrays. The primary and secondary
data centers are 20 kilometers apart.
Which consideration is needed for planning, designing, and implementing a synchronous solution?
A. Ensure that the application can tolerate the additional latency
B. Ensure that adequate cache on the arrays is allocated
C. Ensure that the RAID configuration is identical on both arrays
D. Ensure that there is twice the recommended amount of bandwidth
Answer: A

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NO.3 The customer has a DMX-4 replicating to another DMX-4 (microcode level 5773 for both) over an
SRDF/S session between two sites 20 km apart and wants to understand the limitation (if any) of using
the Single Round Trip (SiRT) feature on RF directors. What is the applicable limitation of the setup?
A. SiRT only works for an I/O size of less than 32 KB.
B. SiRT is enabled for all block sizes.
C. SiRT would not work because the distance is greater than 12 km.
D. SiRT only works for SRDF/A.
Answer: A

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NO.4 The customer wants to replace the three DMX 2000s with a single Symmetrix V-Max using Open
Replicator hot pull for the move. What sequence of steps should be taken to get ready for the copy
sessions?
LUN Masking of DMX 2000 remote volumes to the V-Max FA ports.
V-Max and DMX 2000 arrays are reachable via the same fabric or SAN extension.
FA ports of V-Max are zoned to FA ports of the three DMX 2000s.
V-Max and DMX 2000 arrays are reachable via point-to-point or FC-AL.
LUN Masking of the V-Max control volumes to the DMX 2000 FA ports.
All V-Max FAs have access to the DMX 2000 volumes being migrated.
A. 4,6,1,3
B. 4,3,5,6
C. 2,3,1,6
D. 2,3,5,6
Answer: C

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NO.5 A customer is planning to implement SRDF/S into their environment. The customer wants zero data
loss if they lose their primary data center (R1). The distance is 1,000 miles, and the customer would like to
maintain an application response time of 10 ms.
Which design would you implement?
A. SRDF/AR single-hop
B. SRDF/AR multi-hop
C. SRDF/DM
D. SRDF/S with adaptive copy initially
Answer: B

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NO.6 What are the key differences between SIRT in 5772 and SIRT in Symmetrix V-Max with 5874?
A. SIRT in 5874 is enabled for all write sizes or if RTT > 115 microsec
B. SIRT in 5874 is enabled for write sizes up to 64 KB or RTT threshold > 520 microsec
C. SIRT in 5874 is enabled for all write sizes or if RTT < 115 microsec
D. SIRT in 5874 is enabled for write sizes up to 128 KB or if RTT < 115 microsec
Answer: A

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NO.7 A company has a Symmetrix V-Max array in an open systems environment. They want to use
TimeFinder/Snap to create a single copy per day of a production environment containing 200 volumes of
8 GB each. Twenty-five percent of the total I/O in the application is write activity.
What is the amount of physical storage required for all VDEVs?
A. 50 GB
B. 4 GB
C. 8 GB
D. 0 GB
Answer: D

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NO.8 The customer wants a TimeFinder/Snap solution to create a point in time prior to modifying the source
data for testing purposes. The snap would be kept for 8 hours. How should the Change Tracker data
collection be set up to model the solution?
A. Sum report with a reset of 4 hours
B. Delta report with a reset of 16 hours
C. Delta report with a reset of 4 hours
D. Delta report with a reset of 8 hours
Answer: D

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