Emc E20-070 Newest Materials

Exam Number/Code:e20-070
Exam Name: emc technology foundations-san
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Question: 1
Which types of disk drives are currently used on CLARiiON CX series storage systems?
A. Dual ported SCSL disk drives and ATA disk drive
B. Count key Data (CKD) disk drives and Fixed Block Architecture (FBA) Disk Drive
C. Dual ported Fibre Channel disk drives and ATA disk drives
D. Dual ported SCSL disk drives and Dual ported fibre Channel disk drives
Answer: C
Question: 2
Which statement describes ISL aggregation?
A. Enables distribution of traffic over the combined bandwidth of two or more ISLs and increases
availability
B. Prevents unauthorized use of ISLs by combining them into a single security domain
C. Allows vendors to create more E-_Port in a switch and limit their use for ISLs
D. Mechanism by which one or more ISLs can be reserved for special situations when extra
bandwidth is needed
Answer: A
Question: 3
What are two [2] features of Celerra Replicator?
A. Synchronous data recovery
B. Only sends Control Station configuration parameters over the IP network
C. Point-in-time copy over an IP network
D. Only sends changed data over the IP network
Answer: A, C
Question: 4
What is the function of the Control Center infrastructure?
A. Allows environment management
B. Stores data for objects
C. Collects data for type of object
D. Retrieves data
Answer: B
Question: 5
What are two [2] characteristics of cache memory on a CLARiiON array?
A. Write cache is always mirrored
B. Write cache is not mirrored
C. Page size is set for the array
D. Page size is set for each LUN
Answer: A, C
Question: 6
Exhibit
The exhibit displays the basic architecture of a CLARiiON CX400.
What are the names of the components labeled # 1 and # 3?
A. #1 = Power supplies
#3 = LCC Cards
B. #1 = Power supplies
#3 = storage processors
C. #1 = storage processors
#3 = LCC Cards
D. #3 = storage processors
#3 = 2 SPS
Answer: A
Question: 7
In a Symmetrix, what is Parity RAID?
A. Difference data (results of XOR calculation) passed between drives by Das
B. Mirror of Symmetrix Logical Volume maintained in seprate Symmetrix frame
C. Mirrored Striped Volumes
D. Two mirrors of one Symmetrix Logical Volume located on a separate physical drive
Answer: A
Question: 8
Which protocol uses TCP/IP to tunnel Fibre Channel frames?
A. FCP
B. CIFS
C. FCIP
D. ISCSI
Answer: C
Question: 9
Which network based backup solution maintains both NFS and CIFS attributes?
A. SAN based backups
B. NFS/CIFS mount over the network
C. SNMP based backup
D. NDMP based backups
Answer: D
Question: 10
From the list below, which product is used to create Logical Volumes on a Symmetrx system?
A. Control Center Symmetrix Manager
B. Control Center Automated Resource Manager
C. VisualSRM
D. Control center storage Scope
Answer: A
Question: 11
Which Symmetrix connectivity options can be used with mainframe hosts?
A. ESCON and Fibre Channel
B. ESCON and FICON
C. Fibre Channel and FICON
D. Fibre Channel and SCSI
Answer: B
Question: 12
Which control center view provides a single graphical view of the whole environment, including
consolldated alters and threshold charts?
A. Topology
B. At A Glance
C. Relationship
D. Visual storage
Answer: B
Question: 13
Which set component is requires for write caching to be enable in a CLARIION array?
A. 2 power supplies, 2 storage processors,2 LCC cards and at least one standby power supply
B. 2 power supplies, 2 storage processors,2DAE shelves cards and at least one standby power
supply
C. 2 power supplies, 4 storage processors,2 LCC cards and at least one standby power supply
D. 2 power supplies, 2 storage processors,4 DAE shelves and at least one standby power supply
Answer: A
Question: 14
What is a benefit of using zoning in a SAN?
A. Ease of duplication
B. Configuration flexibility
C. Security at the switch port level
D. Host-based volume access
Answer: C
Question: 15
What is a characteristic of enterprise directors?
A. Fully redundant components
B. Limited hot swappable components
C. Low port count
D. Secure functionally
Answer: A
Question: 16
Which java based interface manages standalone MDS-Series switches?
A. Fabric manger
B. Web tools
C. EWS
D. DS-M Connect
Answer: A
Question: 17
Which protocol is used by open system hosts to access block level storage over IP?
A. NFS
B. ISCSI
C. Infiniband
D. CIFS
Answer: B
Question: 18
How is free maintained in the CLARIION write cache?
A. Low watermark flushing is suspended during write operations
B. Cache is flushed to the driver during I/O only the least -recently used page are flushed
C. Cache is automatically flushed every 90 minutes
D. Low watermark flushing is suspending during read operation
Answer: B
Question: 19
Which symmetric presents devices to hosts?
A. Global cache Memory
B. Channel Director
C. Disk director
D. Communication control Module
Answer: B
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