EMC E20-001 Real Exam Questions

E20-001 Information Storage and Management Exam

The Information Storage and Management exam is a qualifying examination for the EMC Proven Professional Associate level. This exam requires the successful candidate to be able to describe storage networking technologies, such as DAS, SAN, NAS, and CAS. In addition, a candidate should be able to describe the key business and technical drivers for storage including business continuity, storage infrastructure security and management, and storage virtualization technologies. The common themes of this exam are technology requirements, physical and logical elements, host-to-storage interconnection, data protection, and security

1: What is an advantage of using tape over disk as the backup destination device?
A.Faster restore time
C.RAID Protection
D.Random access
Correct Answers: B

2: What is a requirement for a client initiated restore?
A.Backup catalog must be available
B.Backup device must be disk
C.Must be initiated through a CLI
D.Separate storage node must exist
Correct Answers: A

3: What is a reason for implementing single HBA zoning?
A.Increases PLOGI efficiency
B.Minimizes impact to nodes after an RSCN
C.Prevents host from seeing the same volumes via multiple HBAs
D.Reduces the number of zones required in the SAN
Correct Answers: B

4: What is a key management task that applies to all data center elements?
A.Capacity management
B.Interval management
C.Server management
D.Switch management
Correct Answers: A

5: What is the advantage of using multiple ISLs between two FC switches?
Correct Answers: A

6: What is the basic unit of storage in a CAS implementation?
Correct Answers: D

7: A five disk set is configured as RAID 5. Each disk has a Mean Time Between Failure (MTBF) of 500,000 hours. What is the MTBF of the set?
A.100,000 hours
B.125,000 hours
C.1,000,000 hours
D.2,500,000 hours
Correct Answers: A

8: What does a cache dirty bit flag?
A.Changed data not yet written to disk
B.Changed data written to disk
C.Data read from disk but not accessed by the host
D.Data requested by host but not yet fetched
Correct Answers: A

9: What is a disadvantage of synchronous remote replication compared to other methods of remote replication?
A.Need for disk buffer space
B.Need for time stamping writes
C.Potential for data loss
D.Response time elongation
Correct Answers: D

10: A local replica of an application was created with pointer based replication technology. What is a requirement to perform a successful restore?
A.Save location size must be bigger that the size of all source devices
B.Save location size must be equal to the size of all source devices
C.Source devices must be healthy
D.Source devices must be larger than the target devices
Correct Answers: C

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