Thursday 27 June 2013

E10-001 Question 130

E10-001 Question 130
Which cache algorithm will optimize a storage array's I/O response time if sequential access is detected?


E10-001 

A. Flushing
B. Least recently used
C. Read ahead
D. Write-through

Answer: C

E10-001 Question 129

E10-001 Question 129
How can the loss of uncommitted cached data be minimized when there is a cache failure?

A. Cache vaulting
B. Cache striping
C. Cache flushing
D. Cache mirroring

Answer: D

E10-001 Question 128

E10-001 Question 128
Which RAID type is recommended for a high performance, write-intensive business critical application with small random writes?

A. RAID1
B. RAID 1+0
C. RAID 5
D. RAID 6

Answer: B

E10-001 Question 127

E10-001 Question 127
A stripe depth of 32 KB has been assigned to a five-disk RAID 5 set. What is the stripe size?

A. 32KB
B. 128KB
C. 160 KB
D. 192 KB
 

Answer: C

E10-001 Question 126

E10-001 Question 126
What describes application virtualization?

A. Breaks the dependency between the application and the underlying platform
B. Increases the application and CPU utilization
C. Provides interoperability between different application versions
D. Breaks the dependency between the application interface and the processing logic

Answer: A

E10-001 Question 125

E10-001 Question 125
Where does a host-based volume manager map a file system block?

A. Sectors
B. Logical Extent
C. Tracks
D. Physical Extent

Answer: B

E10-001 Question 124

E10-001 Question 124
An application requires 1.46 TB of capacity. The application generates 7200 IOPS to disks during peak workloads. The vendor indicates that a 146 GB, 15K rpm drive is capable of performing a maximum of 180 IOPS at 70% utilization.

How many disks are required to meet both the application's capacity and performance requirements?

A. 10
B. 40
C. 50
D. 72

Answer: B