H13-621 Sample Questions Answers

Which of the following statements of virtual snapshot of storage array is correct?

SMI-s is initiated and led by SNIA (global network storage industry association), and is standard management interface which is commonly developed by a number of storage manufacturers.

When AIX system connect OceanStor storage array through the multipath, which don't need not install multipath software, using own multipath function.

In the storage array system, when writing strategy is write-back, high and low water level is mainly to define high and low proportion of the Cache dirty data volume accounts for Cache capacity.

The role of HostAgent does not include:

Which of the following opinions about storage system boot failure or abnormal problem diagnosis are correct?

Under Linux, which are the basic principles of the dd command test performance tuning? (Select 3 Answers)

Which of the following opinions are correct? (Select 2 answers)

FC-SAN in storage devices need to use standard fibre channel network for communication.

File system is divided into the log file system and non-log file system.The reliability of the log file system is relatively high, but need to consume the system resources.

In the Linux platform, the host connected to the storage array, which of the following statement is wrong?

Configure LUN copy in S5000, the capacity of target LUN in LUN copy must be greater than or equal to the source LUN capacity.

Which basic functions can log analysis function of maintenance Assistant achieve? (Select 3 answers)

Create RAID group through SATA, two controllers at the same time can access to RAID groups may

cause degradation of the performance, what is the solution?

The safe mechanism in storage array through RAID images and data recovery technology protect the safety of key data storage system, practical application can choose SATA, SAS or FC disk as safe drivE.

Under AIX platform, what command is to check the host mounts all devices?

check host already registered iSCSI target and the command is: iscsiadm -m node on Linux platform

Which are the advantages of the optical switching topology relative to point-to-point and the arbitration ring? (Select 3 Answers)

For asynchronous remote replication of storage array, which of the following limited number of the added subordinate LUN is correct?

In the process of RAID reconsitution, need to read multiple disk data during the RAID. Through

the check algorithm to calculate the data on the disk, the cost of reconfiguration for system is higher.Occupy back-end bandwidth, so appear the disk copy technology, through hard disk scanning technology, find the error hard disk in advance, directly copy the fault of the hard disk data to hot standby disk, thus not only protect the data but also reduce the utilization of system resources.

Which of the following components do not belong to FC SAN network hardware?

Which of the sharing manners are Reliability Technology Cluster used in storing data? (Selected 3 answers)

In HostAgent scheme, HyperManager and ConsistentAgent communicate through FC link.

For the storage array products, which of the following reasons will cause full amount LUN copy fault? (Select 3 Answers)

what are the main difference between optical fiber topology FC-AL and FC-SW? (Select three

Answers)

Multipath operation process is abnormal in Windows platform, which log files is suggested to main analysis?

With Windows, what command is to check the current established network connection?

The SAN network topology, which is the relatively high reliability?

HostAgent software consists of the following components: ConsistenAgent, InbandAgent and Hypermanager, the log of each component is usually in the log folder of software installation directory.

For system performance test, what kinds of the tools are divided into? (Select three Answers)

Because of differences in the operating system itself, each of multi-path software has different compatible versions under the different operating systems, and even different versions of the same operating system, may have different multipath versions, so before installing the multipath software, need to query version supporting table, confirm the compatibility between multipath and OS, HBA carD.

install multipath in Linux platform, need to check the array information of multipath management, which command can be used to? ?

Synchronization strategies of Storage array synchronous remote replication can set different time point to trigger.

In IP SAN network, eliminates the iSCSI storage and iSCSI host business IP network is unable to connect.The main screen from which several aspects? (Select two Answers)

On host connect storage array through FC SAN, which of the following deployment process is wrong?

What command is used by Linux platform to check nic physical connection status and working mode?

Remote copy link between array according to transport protocol is divided into which several? (Select three Answers)

For Huawei's storage system, which of the following description of global hot dish is correct? (Select 3 Answers)

About the iSCSI protocol, which description of the following are right? (Select three Answers)

Disk Lable is always at the beginning of disk, record disk information and data storage format , include the type of Label, the size of disk, and disk partition information.

In the process of deploy Hostagent, mapped the host command equipment, which components of Hostagent are common used to install?