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Huawei H13-629 HCIE-Storage (Written) Exam Practice Test

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Total 364 questions

HCIE-Storage (Written) Questions and Answers

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Question 1

Which description of the the OceanStor V3 file system snapshot feature is wrong?

Options:

A.

In File System Snapshot when you create a snapshot, you simply copy the root of the file system and save it to form a snapshot of the file system.

B.

Deletion Snapshots use a mechanism for reclaiming space, so snapshot data space is immediately freed aftersnapshots have been deleted.

C.

After creating a snapshot in the File System, as the main file system is continuously updated, the original data block will gradually become the space occupied by this quick debt. However, a newly written data will not be included in the snapshot space.

D.

File system snapshot data can not be deleted directly, and only after the snapshot has been deleted, this part of the space can be released.

Question 2

When Replication Director creates a protection group to protect LUNs, you can see that there is no LUN on the interface. Which of the following may be the cause?

Options:

A.

There is a problem with the storage initiator configuration.

B.

There is a problem with the storage LUN configuration.

C.

There is a problem with the RD software configuration.

D.

There is a problem with the remotereplication configuration.

Question 3

When installing Simpana, the client agent is installed on the server. There are two configured IP cards that the administrator how to set up, how should this be done?

Options:

A.

Add data interface pair

B.

configure the firewall

C.

Add host resolution

D.

Configure the host route

Question 4

In an active-active disaster recovery solution configured with inter-site FC switch connection. When the distance between sites exceeds _____ km, you need toconfigure long-distance transmission.

Options:

A.

1KM

B.

10KM

C.

25KM

D.

50KM

Question 5

VTL 6900 engines A and B nodes form a cluster, on the A, B node between the business bearer andthe fault automatically switch, which of the following description is correct? (Multiple choice)

Options:

A.

When the node a is found through the sms -v command, the status of the IPStor Authentication Module is FAIL. The service of the node A will be from Move toNode B.

B.

unplug the A node power supply, A node's business will automatically switch to the B node

C.

unplug the A node and the backup server network connection, the A node's business will automatically switch to the B node

D.

A, B nodes can work in Active-Active mode, but can only manually achieve the backup service load balancing between A and B nodes

Question 6

In an8500 Clustered NAS System there are several modules in the cluster communication architecture that work together to implement cluster communication such as resource agent, HAD, Gab, and LLT. Describe the correct mechanism for these. (Multiple choice.)

Options:

A.

Agent-Agent monitors the resources of each system and provides the status to each machine's HAD

B.

HAD Cluster service that monitors and manages the cluster's NAS

C.

Under the management of the master node of the cluster, Gab sends the communication information between the cluster members to the point communication

D.

LLT (Low-Latency Transport) sends information to all nodes in the cluster through a low-latency delivery protocol

Question 7

VMware's storage resources can be provided through VMFS, native direct-attached storage via ESXi host-FC / FCOE or iSCSI link of theshared storage. You can also share the file system over the NFS network to support third-party NAS storage.

Options:

A.

True

B.

False

Question 8

VxVM (veritas volume manager) in the N8500 clustered NAS system is located between the operating system and the data management system. The operating system provides an excuse service to access the disk, the physical storage device connected to the host andthe level of the data management system provides a logical device. The Layers of logical devices are called VxVM volumes.

Options:

A.

True

B.

False

Question 9

Which of the following statements about the Oceanstor V3 file system deduplication features arecorrect? (multiple choice)

Options:

A.

can only be opened when creating a file object, business can not be opened or closed during data deduplication and compression function

B.

Using online processing to deduplicate data before it is written to disk

C.

When bothdeduplication and compression are turned on, the data will be deduplicated and then compressed

D.

Use smart cache can accelerate the search performance of fingerprints deleted

Question 10

The OceanStor 9000 log analysis tool is used to analyze the results of information collected and propose solutions to problems using on-site product maintenancetools. Which of the following statements are wrong regarding the use of log analysis tools? (Multiple choice)

Options:

A.

Log analysis tools can run on any PC, do not need to interoperate with the storage system, the analysis process time according to the amount of the log may be, may it takes a long time

B.

Log Analysis Tools After starting the analysis, the analysis tasks need to be stopped due to other reasons. Click on the analysis tool to abort this analysis

C.

Engineer A deleted the original compression of the results of the collection, then the results will be collected to re-catalog the contents of all documents compressed into zip format for the dayChi analysis tools for analysis

D.

After the analysis is completed, all the problems caused by the log analysis will be presented in the list of problems, and "View Details" contains the approximate cause of the problem and processing advice

Question 11

When using lvm to create a mirrored logical volume, you should choose what kind of log file to save in order not to impactperformance and quickly recover from a single drive failure?

Options:

A.

store the log in memory

B.

Store the log in any one of the two PVs

C.

Store the log in the third PV of the current VG

D.

Save the log in another VG pv

Question 12

A customer project deploys an 8-node OceanStor 9000 C Node with full front-end and back-end IB networking.The device is powered on and completes all front-end network ports. During customer front-end business switch interoperability testing, engineers will perform Oceanstor 9000 software installation and deployment. What is considered a best practice for this?

Options:

A.

The engineer thinks the installation PC is connected to NIC1 to complete the software deployment, so connect the installation PC to NIC1

B.

Direct Deployment of Software Without Disconnecting Front End Network and All Network Nodes

C.

Software Deployment Before starting, the engineer configures a temporary back-end IP address on the back end network port B3-0 of the 9000 node (connected to the installation PC)Department DHCP server

D.

The installation of PC directly through the network cable connectedto the OM management network switch to complete the software deployment

Question 13

Which of the following is correct about the OLAP business load characteristics? (multiple choice)

Options:

A.

Read operation forsequential read

B.

A single IO is large, the typical value of 64KB ~ 1MB

C.

No IO write operation

D.

Usually data is not overwritten by the cycle or days to measure

Question 14

Simpana storage strategy is an important parameter is data retention rules to determine the need to back up thecontents of the backup time and backup methods. Each copy has an independent data retention period, each copy can be set using______. (Multiple choice.)

Options:

A.

Basic rules of retention

B.

Advanced retention rules

C.

Extended retention rules

D.

Special retention rules

Question 15

Which of the followingdescription for Thin LUNs and Thick LUNs for OceaStor V3 storage is true?

Options:

A.

Thin LUN and thick LUN can be configured with the same capacity.

B.

Both thin LUN and thick LUN can make initial capacity allocations.

C.

The maximum capacity of thin LUNs and thick LUNs can be greater than or equal to the available capacity of the storage pool where they reside.

D.

Both thin LUNs and thick LUNs can be created in bulk.

Question 16

A RedHat Linux 6 system includes a specific file folder read and write errors, the file system needs to be modified after the diagnosis. Which of the following is the correct repair operations?

Options:

A.

Direct use of the root user, in the case ofthe file system is mounted fsck repair

B.

Using the owner of the user data file, perform an fsck fix if the file system is mounted

C.

Use the owner of the user data file to perform a fsck fix on the device if the file system is unmounted

D.

Using the rootuser, perform a fsck fix on the device while the file system is unmounted

Question 17

Which of the following description of the infoLocker feature of Huawei's Ocenastor 9000 is incorrect?

Options:

A.

To prevent changes in the directory or file protection time because of thechanges in cluster time, a directory or file is configured with WORM attributes. After the directory or file will use the WORM clock to time, set the WORM clock. When the system will be based on the clock, user’s file will not be modified over the protection period.

B.

If the cluster time is earlier than the WORM clock, the WORM clock will be chased every hour for up to 138 seconds to adjust. If the cluster is after the WORM clock, the WORM clock adjusts to the cluster time.

C.

When a directory is configured as a WORM root directory, all subdirectories, new directories and new files in the directory automatically get the parent directory of WORM attributes. These attribute parameters can only be configured when the WORM root directory is set. Only then the user’s view can not be modified.

D.

WORM logs are used to record the logs related to WORM operations and record them according to the time. The monthly log is a file that can be modified and can delete the file.

Question 18

How can you view the WWN HBA card that is in a Windows2008 R2 system?

Options:

A.

In Device Manager, right-click of the HBA card to see its properties

B.

View in Storage Explorer Manager

C.

View using the FC Info tool

D.

CMD command line, enter the diskpart

Question 19

Using non-deduplication storage based on the disk library strategy, data recovery fails after the data life of the backup has expired. What is areason for this?

Options:

A.

Client corresponding partition insufficient space

B.

Client One or more simpana services are not started

C.

The storage policy checked enable managed disk space for disk library option, leading to the disk's thresholds from the effectively managed disk space.

D.

The client is abnormal with cs or MA communication.

Question 20

Which of the following best practice descriptions of Oralce database is correct? (Multiple choice.)

Options:

A.

OLAP business query output is usually a statistical value (using group by with order by), soyou can set a larger SGA-target value (relative to OLTP).

B.

It is recommended to use UDEV UUID and drive letter binding, in Linux environment configuration Oracle database, to avoid subsequent maintenance letter changes caused by the database which can not start.

C.

If the database OLTP business log write is very frequent, it is recommended that the appropriate online log file up, but it is recommended not to exceed 128MB.

D.

In Windows2008 or windows2012 operating system environment, in order to improve I/ O processing efficiency, MBR partition is created, and diskpart command is recommended to set the partition alignment.

Question 21

True or False, With Simpana remote deduplication, when the data is transferred from the source to the target, the source of the data block is transmitted with first hash ratio. There is no need to transfer any data if the block was previously transmitted.

Options:

A.

True

B.

False

Question 22

HPUX system has two user volume groups: VG01 and VG02. If you execute the following commands:

vgexport-v-s-p -m /tmp/vg01.map / dev / vg01 and vgexport-v -s -m /tmp/vg01.map / dev / vg02.

What will be available using vglist to view the volume?

Options:

A.

vg01

B.

vg02

C.

vg01 vg02

D.

empty

Question 23

Users use vsphere 5.5 to build business virtualization. In the course of the operation it was found that a host was using too many SCSI reservations, leading to vmfs performance degradation. What method can be used toeliminate the root cause of SCSI reservation conflicts? (Multiple choice.)

Options:

A.

Reduce the number of snapshots.

B.

Reduce the number of virtual machines per LUN.

C.

Increase the number of LUNs and limit the number of hosts accessing the same LUN.

D.

Changethe type of virtual disk created.

Question 24

An active-active disaster recovery solution configuration needs to be done after the acceptance test. Which of thefollowing acceptance scenarios business should not be affected? (Multiple choice.)

Options:

A.

Single VIS device failure

B.

Single oracle failure

C.

A single data center full failure

D.

Third-party arbitration array failure

Question 25

True or False, in an OceanStor V3 series storage array, all the snapshots of a LUN occupy not more space than that of the LUN.

Options:

A.

True

B.

False

Question 26

In amanual recovery process, which of the following operations is not required? (Multiple choice.)

Options:

A.

Stop the current production business, delete the host mapping.

B.

Adding the remote device to the original production side array.

C.

With thedisaster recovery array as the master LUN and the original production array as the slave LUN, create the remote replication relationship between the DR and the production end and wait for the initial synchronization to be completed.

D.

Make an incrementalsynchronization.

E.

Delete the original production array consistency group.

Question 27

Which of the following statements about multi-plane system design of the Huawei Oceanstor unified storage system is correct?

Options:

A.

The service plane uses GE channels for data transmission.

B.

The service plane connects the host IO channel, disk IO channel and GE switching channel.

C.

Plane redundancy between each other, when the business plane fails, allowing the use of control plane transmission services.

D.

When the GE switch channel fails, you can use the PCIe switch channel as a backup data transmission channel.

Question 28

Huawei Oceanstor 9000 provides a single file system to the outside through the unified file system namespace management. Which of the following description is correct? (Multiple choice.)

Options:

A.

The namespace is automatically created when HUAWEI OceanStor 9000 isstarted with the same name as the system namespace.

B.

Namespaces as the root directory of the entire system can not be shared and visited, only if ask the subdirectories below it can be shared and visited.

C.

A unified namespace provide users with a unified storage resource pool to achieve the centralized management of storage space and distribution.

D.

Each file share directory is a subdirectory of the namespace.

Question 29

Oracle database normally starts the opening state of the process. Which files must it read? (Multiple choice.)

Options:

A.

Parameter file

B.

Control Documents

C.

Archive log file

D.

Data files

Question 30

Choose the correct statement regarding the N8000 clustered NAS system that provides file system sharing services, surface VxFS file system, and roll features.

Options:

A.

VxFS is a non-log file system that can support morethan 2T files.

B.

File system snapshot using copy-on-write (copy-on-write technology) and other files together, share partition or volume storage space.

C.

Provide file system-level snapshots, copy.

D.

File System Snapshots, Scenarios, Replication, etc. Features are based on Storage Checkpoint.

Question 31

True or Falese, backup media using PTL or VTL simpana backup software can not start the deduplication function.

Options:

A.

True

B.

False

Question 32

In a Huawei disaster preparedness plan using production site deployment with an oracle RAC cluster, to ensure that the disaster recovery database provides normal service should the production site fail, which of the following statements is correct?

Options:

A.

Disaster recovery end must be deployed, oracle rac cluster can not deploy oracle single node.

B.

Oracle RAC grid production side of the file must be copied to the disaster recovery side.

C.

Unable to copy the production sideof the FRA file will be able to guarantee the normal provision of services at the northern end.

D.

Production end of the oracle data files and log files can not be placed in the same consistency group.

Question 33

A TV station plans to adopt Huawei OceanStor 9000 as a back-end storage system, with 10 OceanStor 9000 C nodes, planned to be deployed in 4 standard cabinets, with all backends connected to a pair of stacked back-end CE6850 switches. There is no single customer in the existing networking standalone management network. Which of the network IP address planning described below is incorrect?

Options:

A.

You can plan back-end storage network for 9000 internal communications, without planning gateway address, and front-end network with the same network segment IP address.

B.

Oceanstor 9000 front-end network and management network can be considered together, planning for the same network segment.

C.

Back-end CE6850 switches need to use four stacked cables for stacking connection to ensure bandwidth requirements

D.

The external NTPserver address and the Oceanstro 9000 front-end network need to communicate to ensure that the oacenstor 9000 system and client applications maintain time synchronization.

Question 34

During the migration of SAN storage by LVM from AIX, the data migration designer is in a very important stage. Prior to accessing new devices, there are a number of issues that needs to be considered to help with data migration design, including: (Multiple choice.)

Options:

A.

This device can not / should not be connected to an existing SAN.

B.

AIX system how to connect to the new storage device.

C.

How AIXsystems and data can be migrated from the old disk to the new disk.

D.

The format of the file system, whether the file group is compatible with the new device volume.

Question 35

Huawei Oceanstor 900 adopts erasure code technology to protect the data. If an office has six nodes, and the customer wants to have one office, what redundancy model protection level can be used?(Multiple choice.)

Options:

A.

4 + 3: 1

B.

6 + 3

C.

4 + 2

D.

12 + 3: 1

Question 36

Which of thefollowing statement about RAID 2.0 is correct? (Multiple choice.)

Options:

A.

The hard disk is divided into chunks.

B.

Lun consists of extend or grain

C.

A CKG chunk may come from the same hard disk.

D.

Chunk in a CKG may come from a different storage pool.

Question 37

Whichof the following statement regarding the Huawei disaster recovery solution on the implementation of disaster recovery exercise is wrong?

Options:

A.

The disaster recovery walkthrough automatically stops the production application and unproduces the production toproduction host mapping on the deviceManager

B.

The application of disaster recovery drill is mainly about the production system to switch to disaster recovery operation, exercise disaster recovery environment is correct

C.

After the disaster recovery drills are executed, the replication relationship will be split, and the disaster recovery end will take over the production system running service

D.

The Drill process can be normal in the production side to stop the business, a quick move to a disaster recovery operation

Question 38

In the mirroring scenario of OceanStor VIS6600T, an engineer detected an abnormal mirroring alarm onthe VIS6600T. When you login to the ISM interface, you can view the mirror status of the volume in the corresponding logical disk group based on the alarm and find that the status of a volume in the mirror is NODEVICE.

The reason may be: (multiple choice)

Options:

A.

The disk on the array on which the failed mirrored volume failed

B.

Array where the failed mirrored volume is powered down

C.

The RAID array is degraded on the array where the failed mirrored volume is residing, and the hot spare is being rebuilt

D.

All optical links between the VIS 6600T and the array in which the failed mirror volume is located have failed

Question 39

NTFS (new technology filesystem) is a windwos NT environment file system, on the NTFS file system, which of the following arguments is not correct?

Options:

A.

NFS design ideas include stability, security, support for large-capacity storage devices

B.

NTFS will all the data is a file, thefile system metadata is also stored as ordinary files

C.

Each directory and file attribute information is included in the MFT, MFT records the name of the file and directory, size, data storage location information

D.

NTFS file space allocation unit is the sector, the default is 512 bytes

Question 40

The Oceanstro 18000 hosts the VDI service with 20% and 80% of the front-end load read and write workload respectively, which requires 20000 IOPS for the business.

Choose 10K RPM SAS hard disk (assuming the average time to find 3ms) using RAID5. In this scenario, the minimum storage system hard drive configuration required is:

Options:

A.

600

B.

408

C.

387

D.

550

Question 41

Which of the following statements is correct regarding Global Simplification?

Options:

A.

You can choose global deduplication as a storage policy when creating subclients

B.

You can modify theexisting storage policy to global deduplication

C.

Global deduplication policies can be referenced by multiple deduplication policies

D.

Global deduplication and parallel deduplication can not be used at the same time

Question 42

Which of the following is correct regarding the vmware link cloning function?

Options:

A.

Linking Cloned VMs behave just like cloned VMs

B.

Linked Clone A virtual machine is a complete clone of a cloned virtual machine

C.

Linked Clone The virtual machine is a standalone virtual machine

D.

Linked clone virtual machines take up less space than cloned virtual machines

Question 43

When you create a LUN onthe OceanStor T system V200R002 storage system, after the initial allocation policy is set to Automatically assigned LUN1 is created, you confirm 80% of LUN1's space is in the capacity layer. When you continue creating LUN2 in the same storage pool, the ratio of its space to the performance layer must be 0%.

Options:

A.

True

B.

False

Question 44

The Simpana service does not start on a Unix platform. You execute the simpana list no PID display information, and the simpana restart command also shows there is a service running. True or False, this problem can be solved by removing the client server tmp directory. lock_Galaxy file.

Options:

A.

True

B.

False

Question 45

When using OceanStor V3, you need to mount the file system snapshot to access the snapshot data.

Options:

A.

True

B.

False

Question 46

The OceanStor VIS6600T includes the following devices:

1. Host

2.VIS 6600T

3. Array

4. Fiber switch

Since there is a certain dependency between the above devices, the power-down needs to be performed according to a certain sequence. Which of the following power-off sequences is correct:

Options:

A.

4 1 2 3

B.

4 2 1 3

C.

1 2 3 4

D.

3 2 1 4

Question 47

The storage array provides the device LUN to the database. This LUN does not need to be labeled after being recognized by the host for the first time.

Options:

A.

True

B.

False

Question 48

Using Simpana to achieve a complete Exchange backup requires at least which of the following components? (Multiple choice)

Options:

A.

offline mining

B.

database

C.

mailbox

D.

public folder

Question 49

On the command line of the N8500 (V200R001) clustered NAS system, you run the NFS> share add / vx / xs-cmfs 100.43.13.210 command.

One system that is used NFS sharing has IP address 100.43.13.11. If the client operating system is Suse Linux, which of the following access to the description of the file system is correct: (multiple choice)

Options:

A.

Not just the host with IP 100.43.13.210 can access this NFS share

B.

To query the client for all the NFS shares on the service IP, use the command: showmount -e 100.43.13.11

C.

Mount the NFS shared file system locally and execute: mount -t nfs 100.43.13.11:xs-cmfs / mnt

D.

Verify that NFS shared file system has been mounted locally, executable: mount

Question 50

Which statements are true about Huawei OceanStor V3 WORM feature? (Multiple Choice)

Options:

A.

When a file is in the locked state, the file protection duration can be manually prolonged or shortened.

B.

A locked file will shift to the expired state if the file system WORM clock value is greater than the file atime value.

C.

After the WORM file system compliance clock has exceeded the file expiration time, an appending file will shift from the appending state to the expired state.

D.

Only files of 0 byte can shift from the locked state to the appending state.

Question 51

Whichof the following are correct regarding the Huawei Oceanstro 9000 V100R001C30 products for video monitoring services? (multiple choice)

Options:

A.

To improve the reliability of the video data storage device, the user turns on the securevideo feature of the data disk using a 4 + 1 protection level

B.

The user turns on the securevideo feature, with two data corruptions if the data disk uses a 4 + 1 protection level and only 3 for a write operation

C.

Users open the securevideo feature data consistencyscanning, the system does not complete the data files, will be cleaned up

D.

After the user turns on the securevideo feature, the file corruption event has been reported while reading and writing files, and the data recovery failure alarm is no longer reported

Question 52

When cache mirroring is enabled for the two controllers of an OceanStor V3 storage system, the two controllers have identical cache data and the failure of either controller does not affect system services.

Options:

A.

TRUE

B.

FALSE

Question 53

In a synchronous replication scenario, an application's peak write throughput is 16 MB/s, average write throughput is 500 KB/s, average write 1/0 size is 8 KB, private information overhead is about 11%, and the FC network bandwidth utilization rate is 70%. The throughput of the disaster recovery network must be at least ( ).

Options:

A.

206 Mbit/s

B.

23 MB/s

C.

16 MB/s

D.

800 KB/s

Question 54

When planning the parameter settings of the N8500 (V200R001) file system, the following description is incorrect

Options:

A.

For striped type file systems, the number of columns does not exceed 8, preventing data from being too discrete

B.

If the file system exceeds 1TB, select 8192 asthe blockize

C.

Create a striped file system, the number of columns consistent with the number of RAID groups

D.

When the number of documents exceeds 1000W, it is recommended to open the quota

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