Deck 11: HCIE-Storage

Question 1

Engineer installed a customer unit for OceanStor 9000 equipment installation (a total of 5 OceanStor 9000 C Node, front and rear ends are 10GE TOE networking, on-site installation TOE network card). Then connected the signal lines, power lines, and debugged the software. In the period of project tension, the hardware installation process has some of the following phenomena. Which of the following description of these phenomena is correct? (Multiple choice.)

A) 5 devices TOE NIC A0, B1, and A0, B3 have these two ways, as are inserted in the PCIe slot, will not affect the system. Deployment will not affect the network bandwidth, so it cannot be adjusted.
B) The signal cables are long and need to be strapped to the cabinet or placed on the bottom tray.
C) Label NODE 01 A0-0 The signal cable is inserted in the network port A0-1. The signal cable labeled NODE01 B3-1 is inserted in the network position B3-0, due to the same network card two network port peer, you can place the wrong line, you cannot adjust.
D) CE6850 switch connected to two stacked copper cables, one of which is needed to post-cold more cold, because it does not affect the network interoperability. You can base this software debugging.

Answer 1

The signal cables are long and need to be strapped to the cabinet or placed on the bottom tray.
CE6850 switch connected to two stacked copper cables, one of which is needed to post-cold more cold, because it does not affect the network interoperability. You can base this software debugging.

Question 2

A customer deploys a set of OceanStor V3 storage in two cities and adopts asynchronous remote replication networking between the two storage arrays. Which of the following statement is correct? (Multiple choice.)

A) The automatically created Asynchronous Remote Copy snapshot can either be a private quick pick or a public one.
B) In a DR scenario, it is recommended to create a virtual snapshot of the secondary LUN and map it to the host for access.
C) In remote replication link networking, parallel networking is better than crossover networking.
D) The number of LUNs in the consistency group should be as small as possible, and only the LUNs that have write dependencies on the same application are placed in a consistency group.

Answer 2

In remote replication link networking, parallel networking is better than crossover networking.
The number of LUNs in the consistency group should be as small as possible, and only the LUNs that have write dependencies on the same application are placed in a consistency group.

Question 3

A hospital bought a Huawei OceanStor 9000V100R001C30 storage device for storing business data. According to the relevant laws and regulations, which of the following example descriptions of disease preservation of system data using InforLocker function is wrong:

A) The engineer has set the WORM root directory according to the hospital's requirements, and all the subdirectories under this directory have the WORM attribute.
B) During the file protection period, no one can delete the protected file.
C) Protected Documents are Protected for a Period of 70 Years on Huawei OceanStor 9000 Storage Device.
D) WORM log save root, quota and WORM protection period cannot be set.

Answer 3

During the file protection period, no one can delete the protected file.

Question 4

Database applications are one of the important applications supporting storage arrays. Storage arrays, operating systems, file systems, and database application systems, etc. Different application configurations and parameter settings may affect the service performance. In order to store arrays (such as OceanStor V3 series storage) with SQL server application with the best performance, which of the following statement is wrong:

A) OLTP database generally have a large number of random write, it is recommended to choose RAID 10 to store data.
B) In order to improve write performance, all SQL server database data stored in the LUN write strategy is configured to "write back the image".
C) Because the size of the SQL server page is 8K, in order to ensure the best performance of the database, NTFS allocated block size should not be less than 8KB.
D) SQL Server database instance memory size and recovery mode of choice has no effect on the performance of the database.

Question 5

Info Replicator supports copying the data at the same time, the basic attributes of the home directory, extended attributes, ACL (access control list). WORM (write-once-read-many) and CIFS / NFS share configuration information is also a wealth island from the end. When a disaster occurs, master and slave sites can quickly take over the business after the switch.

Question 6

N8000 clustered NAS system to provide file system sharing services, surface VxFS file system and roll features the correct statement:

A) VxFS is a non-log file system that can support more than 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 7

There are multiple types of disks in a hard disk domain in the OceanStor V3 storage system. If you add one SAS disk to the hard disk domain, diagram will be balanced as follows:

A) Tier 0 disks perform data equalization.
B) All disks in the entire hard disk domain will participate in data equalization.
C) The CK of the target CKG will be released after data equalization is completed.
D) OCeanstor V3 enables cross-engine data equalization.

Question 8

In the OceanStor VIS6600T dual-redundant switch network environment, using OceanStor Toolkit inspection found that "multi-path state detection "does not pass the inspection report, it is found that there are two routes in the 4 paths of the VIS6600T device's 0 node to each LUN of the array. The path status is disabled. According to the analysis, the switch port connected to port 0 of port A0 of node 0 on node 0 of the VIS6600T is visible on the optical switch. The received optical power is much lower than the rated power of the optical module. What repair strategy of the fault contains the error?

A) Replacing the optical module of port 0 in slot A0 of node 0.
B) Replacing the light of the P0 port in the A0 slot of 0 node.
C) Replacing the optical module of the port connected to port 0 of the corresponding 0-node A0 slot on the switch.
D) Reseat the FC interface card corresponding to slot 0 of node A0.

Question 9

In Simpana software, incremental backup means

A) The data that has changed since the last backup.
B) The data that has been changed since the last full backup.
C) The completion of all data backup.
D) After the initial backup, all data has back up.

Question 10

For commonly used SQL Server 2005 and 2008, users can connect to the specified server through the SQL Server Management Studio tool Database Engine. There are two connections in the connection group authentication method. Which method client application connection to provide the required landing User ID and password?

A) SQL Server Authentication
B) Windows authentication
C) Log in as superuser
D) Other ways when landing

Question 11

What commands are installed there for viewing SCSI controller information on Linux systems with Qlogic HBAs?

A) lspci | grep SCSI
B) cat / proc / scsi / scsi
C) cat / proc / scsi / qla2300 / 1 | grep port
D) lspci | grep Ethernet

Question 12

HUAWEI OceanStor 18000 Engine, SVP, Disk Enclosure, and PCI-e Switch Interconnection are applicable to certain rules and orders. Which of the following statement?

A) SVP needs to be connected multiple engines through two PCIe switches, and each engine controller needs to be connected to a PCIe switch to ensure that link redundancy and to improve reliability.
B) When the control plane is connected to a network, when the engine and the PCI-e switch are interconnected, the port 0, port A3 and PCIe port can be interconnected.
C) Huawei slot 0 and slot 5 of the OceanStor 18000 engine enclosure can be used to install SAS interface modules and interconnect disk enclosures.

Question 13

Huawei Standard Edition N8500 has two nodes the business mount Pubeth1 and Pubeth4. It opened the NFS service. NFS server except recovery after NFS guest. Client mount point can not be accessed into the directory for a long time without echo. What do you need to do to fix it?

A) Restart the NFS server of the N8500
B) Restart the client's NFS service
C) Reseat the NFS client network cable
D) Forcibly unmount the NFS client mount point and mount it again

Question 14

When planning OceanStore Unified Storage Array synchronization remote replication, the following description is correct.  (Multiple choice.)

A) In the scenario where the actual RPO indicator requires zero, you can choose to synchronize remote replication.
B) Synchronous remote replication can be used to map the main and secondary storage of the two sets of LUN mapping to the host to create a scenario volume instead of….
C) Synchronous remote replication on the remote disaster recovery can be well done.
D) Because synchronous remote replication does not use snapshots, after synchronous remote replication is interrupted abnormally, the data on the primary LUN needs to be resumed in reply. Start synchronization to the slave site.

Question 15

Client1 needs to read file X from Huawei OceanStor 900 and the node that responds to the read request is node A. Choose the process, which of the analysis is correct:

A) If the system has monitored the file X has been cached on Node B, the client client1 can read the file directly from Node B
B) If the system monitors that node B has cached file X, then node A can read the file from node B.
C) After HUAWEI OceanStor 9000 processes the request for reading the file X from client1, the system reserves the message on both node A and node B.
D) If the system monitors that node A has cached file X, then node A only caches the data of file X and does not cache its verification data

Question 16

Maintaining a persistent connection between host and storage, ESXi must support multipathing. Please check out Incorrect description multipathing for VMware vSphere 5.5

A) In addition to path failover, multipathing also provides load balancing. Load balancing is the process of distributing I / O load across multiple physical paths.
B) In the event of a path failover, the virtual machine I / O delays Nintendo pump by 60s.
C) If the failover takes a long time to complete, the windows virtual machine may interrupt the I / O and eventually fail. To avoid this problem barrier, please set windows virtual machine according to the timeout to at least 30 seconds.
D) When coordinating vmware NMP and any third-party MPP installed, the PSA (Pluggable Storage Architecture) performs load and unload multipathing plug-ins; handle physical path discovery and removal.

Question 17

When the client adopts the SMB 1.0 / 2.0 / 2.1 / 3.0 protocol, while performing file replication inside Huawei OceanStor 9000, it does not need to pass through the client, but directly in the system to tell the completion.

Question 18

Which of the following VMWARE virtual machine scenarios can use VADP backup?

A) The storage is connected directly to the virtual machine, including RDMs, directly to iSCSI or NFS.
B) Virtual machines contain large databases.
C) The virtual machine is deployed in the AIX operating system.
D) Virtual machines contain non-Microsoft family applications.

Question 19

Huawei OceanStor 9000 external shared mainly NFS and CIFS at the moment. Set some parameters to improve performance of NFS mounted under the Linux operating system. Which of the following description is correct?

A) Rsize / wsize, read and write the maximum size of each block, it is recommended to adjust to the maximum. General Linux operating system environment, the maximum value of 1M.
B) Async, allowing asynchronous data write, synchronous write requirements. NFS server must brush each data into the hard disk before it can return success delay higher.
C) Noatime, if you do not need to record the file access time, you can increase this parameter to avoid frequent access, modify the access time to open pin.
D) Nolock, if there is a shared file between NFS clients, you can use this parameter. Reduce service-side file lock overhead.

Question 20

In an OceanStor V3 system storage array, all the snapshots of a LUN occupy no more space than the LUN.

Question 21

Customers use Redhat Linux enterprise 6 LVM to manage user data disks in the cluster. What is the possible reason, when using pvmove data migration can not enforce OK?

A) Pvmove command does not support Linux cluster.
B) Redhat Linux enterprise 6 version of lvm does not support the pvmove command.
C) You need to install the cmirror package and run it on the cluster server.
D) Need to lvm version down to 1.0 before using pvmove migration data.

Question 22

A VTL6900-I system, the backup server connected to it is the Linux operating system. The backup server and the VTL6900-I system are directly connected through the FC. The server identifies the device information as shown below. After the backup server is configured as a backup client for the VTL6900-I system and the backup VTL system on the server virtual library process, which the following operation and description is correct: (Multiple choice.)

A) When configuring the backup client on the VTL side, you need to know that the WWPN of the FC port that connects the VTL to the VTL is available on the server in the sys /class / fc_host directory and subdirectory to the corresponding WWPN port.
B) Server-side identification has been detected with the library device command is cat / proc / scsi / scsi.
C) As shown in the figure, among the devices identified on the server side, the device labeled 1 is the scanned library.
D) As shown in the figure, of the devices identified on the server side, the device labeled 2 is the information for the scanned tape.

Question 23

Two sets of OceanStor unified storage with synchronous remote replication are effective in the following ways to improve host write performance on the primary storage: (Multiple choice.)

A) RPO does not require 0 for the scenario, it is recommended to use asynchronous remote replication.
B) The main storage using smart cache acceleration, speed up the main storage IO processing speed.
C) According to the service pressure of the LUNs stored on the primary side, assign the home controllers of each LUN to the A and B controllers.
D) If you are using an asynchronous remote replication scheme, you need to design a startup synchronization time based on the RPO metrics and consider the setting possible startup synchronization time during the business.

Question 24

Which of the following copy is supported by OceanStor V3 remote file system?

A) Synchronous and asynchronous replication
B) Simultaneous replication
C) Asynchronous replication
D) support multiple file system consistency replication

Question 25

On the Windows Server 2008 R2 system hard disk partition to set a reasonable sector (cluster) size is correct:

A) Create a 2TB NTFS volume, the default sector (cluster) size is 8KB.
B) Create a 30GB FAT32 volume, the default sector (cluster) size is 8KB.
C) NTFS volumes can be set to the largest sector (cluster) to 512KB.
D) The smallest sector (cluster) that an NTFS volume can set is 4KB.

Question 26

Which of the following information about the InfoEqualizer function of Huawei OceanStor 9000 is correct? (Multiple choice)

A) When using the InfoEqualizer function, you need to configure DNS. If you use an external DNS server, when configuring the DNS server, there is a setting of "reverse lookup zone name", network ID setting in this tab, you need to input network ID in reverse order.
B) When there is a DNS server in the user network, the DNS server in the user network does not need to configure the forwarding record. When the user network without DNS service server, configure the InfoEqualizer DNS IP address as the DNS server's address on the client.
C) The root domain name is the domain name InfoEqualizer configured for the cluster. This domain name must be configured as the fully qualified domain name, that is, the domain name that includes the root node. The root domain name is the domain name InfoEqualizer configured for the cluster. This domain name must be configured as the fully qualified domain name, that is, the domain name that includes the root node.
D) The domain name of the partition is configured as the relative domain name, and the root domain name of the InfoEqualizer is automatically taken as the suffix of the domain name, and the full name of the domain name is formed with maximum support of 32 partitions.

Question 27

Redhat Linux Enterprise 6 cp command is used to complete the operating system data migration. What steps are needed to verify confirmation transfer into Power? (Multiple choice.)

A) Check if the size of the migrated file is the same as the original data.
B) Check if the number of documents corresponds to the original data
C) Check if each file with read and write permissions corresponds to the original data
D) Whether the time for reviewing the case file corresponds to the original data.

Question 28

The disaster recovery plan of Huawei means that when the production site fails, the production business is automatically switched to run the disaster recovery site.

Question 29

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

A) OLAP business query output is usually a statistical value (using group by with order by), so you 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 30

HPUX system has two user volume groups: VG01 and VG02. Execute the following command vgexport-v-s-p -m /tmp/vg01.map / dev / vg01 and vgexport-v -s -m /tmp/vg01.map / dev / vg02. Can vglist view the volume group then?

A) vg01
B) vg02
C) vg01 vg02
D) empty

Question 31

A N8500 (V200R001) clustered NAS system with a set of storage units at the back end. Three RAID Groups, respectively named RG1, RG2, RG3 have been created on the storage unit. There are two LUNs under each RAID group, the capacity of each LUN is 12G. The names are RG1-LUN1, RG1-LUN2, RG2-LUN1, RG2-LUN2, RG3-LUN1, RG3-LUN2, and all LUNs are added to one in storage pool. The purpose is to create a file system based on these LUNs. What of the following will certainly create a failure?

A) fs create striped fs01 10g 3 RG1-LUN1, RG2-LUN1, RG3-LUN1 stripeunit = 2048 blksize = 8192
B) fs create mirrored fs02 10g 2 RG1-LUN2, RG2-LUN2 stripeunit = 2048 blksize = 8192
C) fs create mirrored-stripe fs03 10g 2 2 RG1-LUn1, RG2-LUN1 protection = disk stripeunit = 2048 blksize = 8192
D) fs create striped-miiro fs04 20g 2 3 RG1-LUn1, RG1-LUN2, RG2-LUN1, RG2-LUN2, RG3-LUN1, RG3-LUN2 protection = disk stripeunit = 512 blksize = 1024

Question 32

When a customer uses simpana software, CS can not start normally due to some reason and needs to recover the CS. Which of the following situations will cause the restoration to fail?

A) The backup server and the media server can not communicate properly.
B) The link between the backup media and the media server is down.
C) Backup server SQL database failure.
D) DDB is abnormal.

Question 33

Which of the following is a description of the UltraPath multipath setting? (Multiplexed.)

A) The mode of operation of the array can be in-controller load balancing or inter-controller load balancing.
B) Load Balancing Mode Including wheel training algorithm, the maximum queue depth algorithm, the maximum workload algorithm.
C) After the connection is interrupted between the LUN home controller and the host, the host accesses the LUN through the peer controller. In this case, the over-trail software defaults the switched home controller of the LUN to the remote controller.
D) When multipath detects a preferred controller failure recovery, the I / O is resumed immediately at the preferred controller by default.

Question 34

Huawei Oceanstor 9000 node, read and write performance from high to low. What is the correct order?

A) P25 Node SSD Hard Drive> P25 Node SAS Hard Drive> P36 Node SATA Hard Drive> P12 SATA Hard Drive> C36 SATA Hard Drive
B) P25 Node SAS Hard Drive> P25 Node SSD Hard Drive> P36 Node SATA Hard Drive> P12 SATA Hard Drive> C36 SATA Hard Drive
C) P25 Node SSD Hard Drive> P25 Node SAS Hard Drive> P36 Node> C36 SATA Hard Drive> P12 SATA Hard Drive
D) P25 Node SSD Hard Drive> P25 Node SAS Hard Drive> C36 SATA Hard Drive> P36 Node SATA Hard Drive> P12 SATA Hard Drive

Question 35

Simpana client fails to perform backup, view the status of the task. It reported the following error "library, mediaAgent, Drive pool, Meida: mount path is offline. Advice: please check if the mountpath is online adn accessible ". What may can be the cause of this problem?

A) Client offline
B) Media Services Offline
C) The client cannot resolve the media server host name
D) backup media failure

Question 36

A banking business running background storage system requirements are as follows: (1) Business Impact. The business impact generated by the operating system is about 100KB. (2) The service operation system is the whole GE network. The server and operating system are GE network. Follow-up to consider the business needs to upgrade to 10GE. (3) Only requires 72TB of total space, the latter expansion priority to expand the disk (4) Only 20U of rack space is reserved for the current storage devices. The configuration of three nodes and switches is prioritized to meet the requirements of the machine room. Cabinet planning based on the above requirements. What are the more appropriate networking solutions?

A) Program One: 1 * OceanStor 9000 C Node 36 * 2TB SATA configuration 2 * Front-end GE + 2 * Rear-end 10GE
B) Scenario 2: 3 * Oceanstor 9000 C Node 36 * 2TB SATA hard drive; 2 * Front-end GE + back-end 2 * 10GE
C) program three: 3 * OceanStor 9000 P Node 36 * 2TB SAS configuration
D) Program Four: 3 * OceanStor 9000 M Node

Question 37

One customer wants to deploy one OceanStor v3 storage to meet the capacity and performance requirements. Where its specific configuration number of the hard drive is needed to be considered? (Multiple choice.)

A) Hard drive capacity
B) Metadata space size
C) Hard drive type
D) RAID type

Question 38

The customer needs to create a new OLAP backup database for batch import of online database data at night, and the database software is SQL server 2008. The database file size is 20TB and the storage array is OceanStor v3, which requires a stable write bandwidth of 1800MB / s. What kind of allocation set the most suitable customer requirements?

A) 2TB NL-SAS hard drive, 8D + 2P RAID6 configuration
B) With 2TB NL-SAS hard disk, configure 8D + 1P RAID5
C) 600GB 15Krpm SAS hard drive, 8D + 1P RAID 5 configuration
D) Configure raid 10 with 600GB 15rpm SAS hard disk

Question 39

Huawei disaster preparedness plan, production site deployment oracle RAC cluster, in order to ensure the production side failure, disaster recovery database to provide normal service Services. Which of the following statement is correct?

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 side of 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 40

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

A) Single VIS device failure
B) Single oracle failure
C) A single data center full failure
D) Third-party arbitration array failure
E) None of the above

Question 41

An Oceanstor V3 system "alert" shows a message: "SPF [0] LOW Rx power alarm because Low Rx pow ALM of SFP0 is deleted/deflected . "The cause of the malfunction is:

A) Equipment distribution voltage is insufficient, the device into a stream of electricity.
B) The power module is not enough power to replace the power module.
C) The voltage of the board is low or the light receiving power is low.
D) Optical module port card loose connection.

Question 42

Which statement about the RMAN restore and restore is wrong?

A) Restore (restore) refers to the previously generated backup set, get one or more objects, and then set to restore these objects.
B) Recovery (recovery) is a database that is consistent with the given point in time to ensure that this database can be opened.
C) Usually restored content lags behind the latest database SCN, so you need to ensure consistency through the restoration of the database.
D) For the restored data files can be archived logs and online logs to complete the recovery.

Question 43

Which of the following is correct about Huawei OceanStor v3 unified storage system? (Multiple choice.)

A) Standalone SAN engine and stand-alone file engine
B) Parallel dual-stack by way of parallel support (SAN) and file system (NAS)
C) Use unified storage pool technology
D) file system can achieve deduplication data compression function

Question 44

Which of the following is not part of the storage troubleshooting process?

A) Manually clear the NMS alarm and turn off the alarm light.
B) Observe the symptom and collect the fault information.
C) Troubleshoot according to the "Event Reference" or "Troubleshooting" manual.
D) Maintain faulty environment and contact technical engineer for support.

Question 45

If you need to automate DR protection of an Oracle database in Replication Director, the configuration flow is:

A) Create a site discovery store, find the host registration store, register the host to create a protection policy.
B) Discovery Store, Discovery Host Registration Store, Register Host Create Site Registration Store Create Protection Group Create Protection Policy.
C) Found storage, found that the host to create a site registration store, register the host to create a protection group to create a protection strategy.
D) Create a site registration store, register the host to create a protection group to create a protection policy.

Question 46

Disaster recovery project information research mainly includes information about who what why three. What is the following information background? (multiple choice)

A) A bank has more than XX customers and XX corporate customers.
B) Data loss will be huge and business disruption may result in significant financial loss.
C) Business interruption has a huge impact, and the interruption time in business deployment is less than 2 hours.
D) Clients want to build two live-action data centers in the same city to realize the key business activities such as RTO 2.

Question 47

Backup media using PTL or VTL simpana backup software can not start the deduplication function.

Question 48

An enterprise buys a set of Huawei OceanStor 9000 storage. Some of the enterprise's basic software is stored in a directory, and users can access this enjoy/it . In order to facilitate the operation, when asked to access do not enter the account password, as when engineers do this operation, the basic software directory is set to a total of NFS enjoy, and check the share of the "guest enabled" option.

Question 49

away from Which of the following description is correct about simpana backup software snapshot? (Multiple choice.)

A) Pause the app before the snapshot, go to the hardware storage snapshot to trigger a common snapshot with application consistency.
B) Backup software snapshot function can automatically find the storage volume of the file system, database, mail system.
C) Background snapshots can be indexed to ensure application recovery and small particle recovery.
D) Snapshots backup can be offline, the backup server almost has no impact.
E) None of the above

Question 50

Which of the following operations is not a disaster recovery fault Recovering a production system manually Configure the necessary operations? (Multiple choice.)

A) Stop the current production business, delete the host mapping.
B) Adding the remote device to the original production side array.
C) With the disaster 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 incremental synchronization.
E) Delete the original production array consistency group.

Question 51

Which of the following scenario IO model characteristics belong to random small IO? (Multiple choice.)

A) OLTP
B) OLAP
C) VDI
D) SPC-1

Question 52

iSCSI protocol is mapped on the TCP protocol. For a TCP encapsulation of iSCSI protocol insulation, which of the following parts are not included?

A) TCP Header
B) IP Header
C) ISCSI Header
D) ISCSI data

Question 53

When planning dual-active disaster recovery solution, the business end adopts the cluster application. Which of the following clusters is the application cluster?

A) mSCS
B) Oracle RAC
C) HACMP
D) SQL server

Question 54

A customer's initial backup capacity of 1TB, the average daily data increment of 10G, backup strategy is once a week, all the equipment once a day from Tuesday to Sunday. Difference in reserve, all reserve and additional backup data are stored for 4 weeks, regardless of deduplication / redundancy ratio / replication, etc. Please calculate the required back-end. The capacity should not be less than ______. This 1TB is calculated according to 1000G

A) 4940G
B) 4280G
C) 5940G
D) 5280G

Question 55

If there is a problem with the VMFS datastore for ESXi5.5, check the VMFS using VMware ondisk metadata analyzer (VOMA) or VMFS volumes provide support for the logical volume of the Su-Soviet drama consistency, please select the wrong mode of operation. (Assume the LUN NAA ID is naa.60022a110009a8a800042e1800000000: 1).

A) Turn off the power of all running virtual machines or migrate these virtual machines to another data store
B) Use the esxcli storage vmfs extent list command to obtain the name and partition of the vmfs data store to be backed up after the provision of number of the supported devices.
C) voma -m vmfs -f check -d /vmfs/devices/disks/naa.60022a110009a8a800042e1800000000:1
D) voma -m vmfs -f check -d naa.60022a110009a8a800042e1800000000: 1

Question 56

Which technology enhances performance of Huawei OceanStor 9000 application? (Multiple choice.)

A) Support for SMB3 multichannel features that take full advantage of client-side multi-core CPUs and bandwidth resources to dramatically improve performance.
B) When a hard drive has multiple objects at the same time to write requests, support merged into a large continuous IO, significantly improve system performance.
C) Internal file system replication, without having to go through the client directly in the system to complete high-speed
D) Supports 10GE and PCIE networking, providing high performance through high-speed inter-node interconnection and reducing system internal delay.

Question 57

Which of the OceanStor V3 file system remote replication description is correct? (Multiple choice.)

A) The object-based approach to data replication
B) ROW snapshots based on the cyclical manner of data replication
C) Can be manually set off by the user or system timing synchronization starting
D) Support the Quota quota information of the main file system to the slave, no need to configure the quota quota

Question 58

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.)

A) The namespace is automatically created when HUAWEI OceanStor 9000 is started 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 59

In preparation for disaster recovery design, what is the description of the right side.

A) Use the same type of disk as the master
B) Raid set the same as the master
C) The capacity of Lun and primary LUN is the same
D) Use the same amount of disks as the master

Question 60

Which of the read and write strategy of Huawei Oceanstor V3 storage system is correct?

A) Read and write strategies include permanent, default, recycling.
B) Recycling strategy is suitable for business scenarios that require high performance and small amount of data.
C) Select out the recycling strategy when the data or write data is the lowest priority.
D) Resident strategy is suitable for large read and write data, and read-only scenes.

Question 61

What are the ways of load balance cluster software in the most basic functions, the load balancing on Oracle rac? (Multiple choice.)

A) Client Balance
B) Cluster nodes balanced
C) Service layer balance
D) Instance load

Question 62

What are the design information research activities in the backup solution? (Multiple choice.)

A) Customer needs collection and refining
B) Backup capacity calculation
C) Project background research
D) Network environment is collected

Question 63

In order to verify the consistency of the slave LUN data with the source data and to protect slave LUN data, which of the following description is incorrect:

A) Create a virtual snapshot of the slave LUN and activate it, then map the snapshot LUN to the host for authentication.
B) After the snapshot LUN is mapped to the host, the host can read and write the snapshot LUN.
C) After the verification is completed, stop the upper-layer service application, release the LUN mapping, and finally delete the snapshot.
D) Stop the snapshot before the host can write snapshot LUN.

Question 64

What are the several recovery mode drills of Huawei Replication Director disaster recovery? (Multiple choice.)

A) Planned Migration
B) Failover
C) Business Recovery
D) fault recovery

Question 65

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

A) The hard disk is divided into chunk.
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 66

Using non-deduplication storage based on the disk library strategy, data recovery fails after the data life of the backup has expired:

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 67

If the main service is normal in the simpana-based backup solution, view the following log:

A) CVMA. log
B) CVNetcheck. log
C) CVService. log
D) CVD. Log

Question 68

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.)

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 AIX systems 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 69

In the scenario of protecting the database, the slave uses the virtual snapshot method to verify the services of the production end and the DR-side and discover the data of the DR on the disaster recovery end. What are the possible reasons that the library can not start normally? (Multiple choice.)

A) After a snapshot of the LUN of the redundancy site is created, the snapshot is not activated at the same time.
B) Disaster recovery side of the data stored in the cache, not yet written to the hard disk.
C) When creating a snapshot on the disaster recovery end LUN, the production end is copying data to the disaster recovery end.
D) The production end and disaster recovery end adopt the disaster recovery solution of incremental LUN copy, and the incremental data link is abnormal during the synchronization.

Question 70

Simpana remote deduplication, when the data from the source to the target end of the process, 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.

Question 71

Which of the following describes the correct process of disaster recovery and Huawei disaster recovery solution?

A) The disaster recovery side to create a snapshot Map the snapshot to the disaster recovery host Disaster Recovery Host scans the disk Start disaster recovery application Test disaster recovery applications
B) Forcibly switch the replication relationship Map lun Test application started successfully Resume production business
C) Stop production application and dismiss the host mapping Switch the replication relationship
D) Release the host mapping

Question 72

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

Question 73

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

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 74

The OceanStor V3 storage system has 96 hard disks in one hard disk domain. To maximize the performance of the hard disk, it is recommended to use the LUNs in the hard disk domain. The total number of hard disks is not less than:

A) 96
B) 4
C) 32
D) 12

Question 75

In simpana backup software, incremental backup means _______.

A) The data that has changed since the last backup is backed up.
B) Changed data backup since last full backup.
C) Full backup of all data.
D) After the initial backup data backup of all data.

Question 76

Huawei OceanStor 18000 engine, SVP, disk enclosure, and PCIe switch interconnection must be in accordance with certain rules and order. Which of the following statement is incorrect?

A) The SVP needs to connect multiple engines through two PCI-e switches, and each engine's controller needs to be connected to a PCIe switch to ensure that the link redundancy provides reliability.
B) When the control plane is connected to the network, when the engine and the PCIe switch are interconnected, the port P0 of the A3 slot and the PCI switch PCI port can be used pick up.
C) Huawei OceanStor 18000 can be used to install SAS interface modules and interconnect disk enclosures in slot 0 and slot 5 of the Huawei OceanStor 18000.

Question 77

Simpana client failed to perform backup task, view the task status, reported the following error: libary mediaagent drive pool media []: Mount path is offlline advice: please check if the mount path is online and accessible " What can cause this?

A) Client offline
B) Media Server Offline
C) The client can not resolve the media server host name
D) backup media failure

Question 78

Huawei Oceanstor backup solution integration program is one machine.

Question 79

Which of the following feature is correct about the OceanStor V3 volume mirroring? (Multiple choice.)

A) After creating a mirrored volume for a normal LUN, the server read-write IO results in a change as a result of internal information exchange.
B) The amount of data actually stored on a LUN is 2G, the total copy of the data is 4G. A volume image is created for the LUN, the LUN is mirrored when the copy is generated during system creation.
C) You can configure a volume mirror for external LUNs or configure external LUNs as mirror copies.
D) When configuring volume mirroring, mirror copies are required from different disk domains.

Question 80

A site data volume of 600GB, A, B site replication bandwidth between 40% of GE network resources, asynchronous remote replication synchronization type settings. Timing for the beginning of synchronization is 180 minutes, 9:00 AM initial synchronization of data. When will the next time synchronization start?

A) 10:25
B) 12:00
C) 15:00
D) 15:20