Cloud Infrastructure and Services Exam: E20-002 Exam
- E20-002 Questions & Answers
- Exam Code: E20-002
- Exam Name: Cloud Infrastructure and Services Exam
- Updated: February 14, 2012
- Q & A: 79 Q&As
1: A Copy on First Access replica has been created. The source devices are being used for production operations. When is data copied from the source to the target?
A.A read issued for the first time from a location on the source
B.A read or write issued for the first time to a location on the source
C.A write issued for the first time to a location on the source
D.All I/Os issued to a location on the source
Correct Answers: C
2: How is the Content Address derived in CAS?
A.From a combination of the data and the metadata of the object
B.From the contents of the object
C.From the creation time and anticipated retention time of the object
D.From the size, in bytes, of the object
Correct Answers: B
3: Which statement describes the iFCP protocol?
A.IP-based gateway-to-gateway protocol that can be used for SAN extension
B.IP-based protocol that is required to present block storage from a NAS appliance
C.IP-based protocol that is required to present FC targets to FC initiators
D.IP-based tunneling protocol that can be used for SAN extension
Correct Answers: A
4: A disk drive has a rotational speed of 100 revolutions per second. What is the average rotational latency?
A.3 ms
B.5 ms
C.10 ms
D.15 ms
Correct Answers: B
5: Which SAN topology allows IP initiators to communicate with FC targets?
A.Bridged
B.Consolidated
C.Hybrid
D.Native
Correct Answers: A
6: What is a disadvantage of multi-mode fiber relative to single-mode fiber?
A.Cabling complexity
B.Limited distances
C.Limited to half-duplex
D.Substantially higher cost
Correct Answers: B
7: What do you monitor as part of a SAN health check?
A.Disk status
B.Fan-in/Fan-out ratio
C.ISL utilization
D.Port status change
Correct Answers: D
8: What happens when the EMC/TimeFinder Mirror Restore operation is performed?
A.All data from Standard Volume is copied to the BCV
B.All data from the BCV is copied to the Standard Volume
C.BCV is made independently accessible
D.Data is copied incrementally from the Standard Volume to the BCV
Correct Answers: B
9: What is the role of a bus?
A.Control point for all host activities and resources
B.Device for storing data
C.High speed interconnect among CPU, memory, and disks
D.Temporary location for commands and data
Correct Answers: C
10: What best defines NAS?
A.General purpose server for content addressed data
B.General purpose server for file level access
C.Specialized server for content addressed data
D.Specialized server for file level data access
Correct Answers: D
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