Free Huawei HC-621 Exam Dumps Questions & Answers

SCSI protocol communication is based on the initiator - the target device model, the package SCSI iSCSI protocol also inherits its communication model 's initiators and targets.

• A.  False
• B.  True

Host side reported "IO error or IO Timeout" fault, the problem can be excluded from the storage side which of the following aspects? (Choose three)

• A.  Username and password to log array
• B.  Whether the normal state storage RAID LUN
• C.  FC or iSCSI link state whether normal
• D.  Whether to store the state of the physical hard disk read and write properly

The presence of random writes RAID5 "write punishment" will affect write performance, which of the following statements are true. (Choose three)

• A.  Redundant read "write penalty" that is, to complete a write IO resulting
• B.  IO to complete a write operation,a read operation is actually performed and a write operation
• C.  "Write punishment" is a key factor in the random write performance of the business of
• D.  IO to complete a write operation,a read operation is actually performed multiple times,and writes

S5000T storage system to improve performance and technology? (Choose three)

• A.  Cache mirroring
• B.  cache prefetch technology
• C.  smartcache Technology
• D.  Dynamic Flow Control

The core of the storage system performance indicators are. (Choose two)

• A.  IOPS
• B.  Response time
• C.  Volatility
• D.  Bandwidth