EMT Practice Test

1. Question Content...

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Question1: When planning OceanStore Unified Storage Array synchronization remote replication, the following description is correct. (Multiple choice.)

Question2: By which of the following technologies can vmware VDI reduce the storage space used by the virtual desktop system?

Question3: Which of the read and write strategy of Huawei Oceanstor V3 storage system is correct?

Question4: The administrator creates two libraries (Library # 1, Library # 2) in the Console interface and creates a storage policy using Library # 1 Policy # 1. The administrator wants the storage policy to be able to save the backup jobs in two libraries in turn. How the storage policy should be set?
(Multiple choice.)

Question5: away from Which of the following description is correct about simpana backup software snapshot?
(Multiple choice.)

Question6: Maintaining a persistent connection between host and storage, ESXi must support multipathing. Please check out Incorrect description multipathing for VMware vSphere 5.5

Question7: Which technology enhances performance of Huawei OceanStor 9000 application? (Multiple choice.)

Question8: 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:

Question9: VMware's storage resources can be provided through VMFS, native direct-attached storage via ESXi host- FC / FCOE or iSCSI link of the shared storage. You can also share the file system over the NFS network to support third-party NAS storage.

Question10: In Huawei disaster recovery plan, in order to implement the one-click disaster recovery operation for Oracle applications, you must configure the recovery in Replciation Director Plan. What configuration actions do you need to do on the Replication Director side before configuring the recovery plan? (Multiple choice.)

Question11: Oracle database normally starts the opening state of the process. Which files must it read? (Multiple choice.)

Question12: The client environment is the HP-UX11i v2 operating system, the HBA is the AD193A, and the operating system comes with the driver. The storage array is Huawei OceanStor V3, when the LUN mapping between HP-UX and the storage system is completed, you can not change the topology mode of the FC host interface card on the storage system.

Question13: 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.)

Question14: 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?

Question15: 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.

Question16: Customer Environment SuSE 10SP3, HBA QLogic QLE2562, using the operating system comes with HBA card driver. The storage array is Huawei OceanStor V3 storage, when storing the FC host port on the system and the HBA on the host. When the card port mode is inconsistent, it is usually recommended to modify the FC host port mode on the storage side to solve the problem.

Question17: The OceanStor 18500 uses the RAID 2.0 virtualization architecture. When planning to configure storage, which of the following is erroneous?

Question18: What is correct about the reconstruction and reconstruction of Huawei OceanStor V3 storage system?
(Multiple choice.)

Question19: Customers need to create a new Oracle database server Huawei RH5885. V2 32 nuclear CPU, the host using Redhat6.4 operating system, the text system is EXT4, the storage device Oceanstor V3, the I SAS disk and 8D + 1P RAID5 are configured to guide one million data batch. Which of the following methods can improve the import performance into the new database? (Multiple choice.)

Question20: The MTTR indicator is used to describe the average continuous time of the failure of a product during operational use or testing.

Question21: iSCSI protocol is mapped on the TCP protocol. For a TCP encapsulation of iSCSI protocol insulation, which of the following parts are not included?

Question22: 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?

Question23: 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?

Question24: 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?

Question25: What is my way as shown in the main group of angry? (Multiple choice.)

Question26: Dual-live solution: the optical fiber link between two data centers in the same city needs to be deployed with a wavelength division device.

Question27: 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?

Question28: 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.)

Question29: When the database is protected and the virtual snapshots are used from the end to verify LUN data consistency on the production end and the disaster recovery end. Disaster recovery end of the LUNd database can not be started normally. What is the possible reason? (Multiple choice.)

Question30: Which of the following is correct about Huawei OceanStor v3 unified storage system? (Multiple choice.)

Question31: Which of the following scenario IO model characteristics belong to random small IO? (Multiple choice.)

Question32: A client application scenario, IO business model for the random read, IO size is about 100K, the depth of the storage array LUN stripe set to the number of suitable ______.

Question33: Users use vsphere 5.5 build business virtualization, in the course of the operation found that a host using too many SCSI reservations lead to other server access the same user leading to vmfs performance degradation. What method can be used to eliminate the root cause of SCSI reservation conflicts? (Multiple choice.)

Question34: For commonly used SQL server 2005 and 2008, users can connect to a specific service through sql server management studio tool database engine. In the connection group of user name and password for login there are two ways to connect authentication. Which mode is needed for client application connection?

Question35: In order to support business expansion, a large enterprise has decided to purchase two Huawei OceanStor
9000 storage systems instead of existing NAS systems. Cheng replication capabilities, The two systems were deployed in two cities. S data center (D and Y said), mutual backup, usually a system as the main System work, the other as a disaster recovery system, The main operating system of the business operation time is 8: 00-18: 00. Which of the following description of disaster recovery on disaster recovery applications planning is correct? (Multiple choice.)

Question36: What are the design information research activities in the backup solution? (Multiple choice.)

Question37: 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.

Question38: Which description of N8000 Clustered NAS file system snapshot features and their application is wrong?

Question39: Which of the following statements about multi-planar system design of Huawei Oceanstor unified storage system is correct?

Question40: In a media application scenario, large files is an important application feature. Huawei OceanStor 9000 can allocate different configurations according to different users. This avoids some of the unimportant data transition overhead, which of the following description of the quota is correct?

Question41: Huawei Oceanstor backup solution integration program is one machine.

Question42: Simpana storage strategy is an important parameter is data retention rules to determine the need to back up the contents of the backup time and backup methods. Each copy has an independent data retention period, each copy can be set ______. (Multiple choice.)

Question43: OceanStor V3 does not start up normally within 15 minutes after the system is powered on. What engineers can use to log in to the storage system in order to locate this fault? (Multiple choice.)

Question44: Huawei Oceanstor 9000 node, read and write performance from high to low. What is the correct order?

Question45: Which way to view the WWN HBA card is in Windows2008 R2 system?

Question46: 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 and the level of the data management system provides a logical device. The Layers of logical devices are called VxVM volumes.

Question47: 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:

Question48: The OceanStor 18000 system used by a client business application has a total of three pools, each of which is a 9-disk RAID5. Someday analyzing the log of business interruption, we found that there are some scenarios in the system that caused the failure. What will cause the host access to the stored business in the following scenario? (Multiple choice.)

Question49: WMware backup transfer mode NBD SSL refers to the backup agent through the TCP / IP network to read the backup data, VSA and ESX between encrypted transmission.

Question50: Which description of the the OceanStor V3 file system snapshot feature is wrong?

Question51: 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, (Article broken three cases of the disk). There are three cases of the broken disk, you can still guarantee that the data can be restored. You can use the redundancy protection level: (Multiple choice.)

Question52: 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?

Question53: Huawei two nodes standard N8500 opened the CIFS service. Which of the following CIFS parameters allows users to view the other users without seeing the headrecord?

Question54: On the Windows Server 2008 R2 system hard disk partition to set a reasonable sector (cluster) size is correct:

Question55: What is the error in the ASM description of the oracle?

Question56: In the OceanStor 18000 storage system, a 15K RPM SAS disk is used. Assuming that the average seek latency of this type of disk is 6 ms. This type of disk can provide a single disk IOPS.

Question57: In an OceanStor V3 system storage array, all the snapshots of a LUN occupy no more space than the LUN.

Question58: N8000 clustered NAS system to provide file system sharing services, surface VxFS file system and roll features the correct statement:

Question59: A user configures Huawei OceanStor 9000 as follows:
1. Create a user group group01, group01 in the directory / home / group01 configuration like:
Recommended threshold: 10GB, software threshold: 15GB, grace period 10 days hard threshold 20GB
2. Create user user01 in the user group group01. The configuration of the user user01 in the directory / home / group01 is as follows:
The recommended threshold is 8GB
Software threshold 18GB
Grace period of 15 days
Hard threshold 25GB
The quota that user01 is in the directory / home / group01 is:

Question60: 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

Question61: 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?

Question62: Which statement about the RMAN restore and restore is wrong?

Question63: 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:

Question64: 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.)

Question65: Which of the following VMWARE virtual machine scenarios can use VADP backup?

Question66: Which of the following is not an authentication method supported by the OceanStor 9000 NFS protocol?

Question67: A research unit purchased a Huawei Oceanstor 9000 storage products, the main configuration products: 8
* Oceanstor 9000 C node, the front end 10GE * 2, CE6850 switch * 2, S5700 switch * 1, cables, lighting and other accessories are fully furnished, households communication deployment program, prepared in advance a list of IP planning programs and IP requirements. Which of the following IP address is needed?
(Multiple choice.)

Question68: When you install the Simpana backup client on a virtual machine and perform a backup, the backup job status becomes pending and reports an error message "Cannot decode packet header: invalid start signature ", please analyze which of the following may be the cause of this problem?

Question69: Customers set up a vio server environment on an IBM server, and the storage devices connected to the server through vio server provide storage space to a virtual partition in the server. Customers buy Huawei Oceanstor18000 deposit Storage and plan to replace the original storage device. What is the recommended practice?

Question70: 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.

Question71: Which of the following feature is correct about the OceanStor V3 volume mirroring? (Multiple choice.)

Question72: Which of the following is not part of the storage troubleshooting process?

Question73: When the storage controller BBU is damaged, the controller automatically sets the IO write policy to transparent and is locked to ensure data reliability. Before the fault is recovered, it can be forced to write back.

Question74: When planning OceanStore Unified Storage Array synchronization remote replication, the following description is correct. (Multiple choice.)

Question75: 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).

Question76: 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.)

Question77: 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.)

Question78: In HPUX system, remove the lv image lvreduce or lvsplit command / dev / vg01 / lv - test existing a mirror, test the implementation of the following command lvsplist / dev / vg01 / lv -, using vgdisplay-v system to see what lv is.

Question79: 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:

Question80: OceanStor 18000 hot backup strategy is set to high, all using 1TB hard drive when the hard disk domain, respectively, eight hard drives, 80 hard drives, 180 Hard disk, 280 hard disk, the system will be assigned how much hot spare space? Unit: TB

Question81: Existing set customer of database uses a raw device, due to the large amount of data in the database. The customer plans to replace the old storage with new storage devices.
In the process of environmental inspection lvcb engineers found the following:
#getlvcb -TA sjklv
Intrapolicy
copies = 0
interpolicy
lvid
lvname
label
machine id
number Ips = 0
relocatable
strict
stripe width = 0
stripe size in exponent = 0
type
upperbound = 0
fs
time created = time modified
As the vg is too large, the expansion of vg is impossible. As the service window is very short, and customers do not want to avoid the risk of large adjustments of the whole original environment, what is the recommended approach?

Question82: If you need to automate DR protection of an Oracle database in Replication Director, the configuration flow is:

Question83: 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.)

Question84: The peak write bandwidth for an application is 10MB / S, with an average write latency of 200KB / s and an average write IO size of 4KB (bandwidth utilization of 70%).
If you need to use OceanStor V3 storage array to implement data disaster recovery and set it as asynchronous replication mode, you need the minimum network-wide bandwidth:

Question85: What are the ways of load balance cluster software in the most basic functions, the load balancing on Oracle rac? (Multiple choice.)

Question86: 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?

Question87: 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?

Question88: 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:

Question89: In the case of the Oceastor VIS6600T with dual switch redundancy networking, log in to the Windows machine connected to the VIS6600T and configure the set of multi-path software Ultrapath control interface to see the number of physical path than the planned network computing path less, the possibility of this phenomenon.
What is the reason for this? (Multiple choice.)

Question90: Information of the disaster recovery research Beijing project mainly includes three aspects (Who / What / Why) description. Which of the following? (Multiple choice.)

Question91: HUAWEI OceanStor 18000 Engine, SVP, Disk Enclosure, and PCI-e Switch Interconnection are applicable to certain rules and orders. Which of the following statement?

Question92: What commands are installed there for viewing SCSI controller information on Linux systems with Qlogic HBAs?

Question93: Backup media using PTL or VTL simpana backup software can not start the deduplication function.

Question94: Customers in the process of using Simpana software, CS for some reason can not start normally. You need to restore the CS. Which of the following situations will cause the restoration to fail?

Question95: In 8500 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, LLT and describe the correct mechanism for them. (Multiple choice.)

Question96: 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?

Question97: In simpana backup software, incremental backup means _______.

Question98: In preparation for disaster recovery design, what is the description of the right side.

Question99: 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.)

Question100: In Simpana software, incremental backup means:

Question101: Which description of OceanStor V3 storage system tuning process is incorrect?

Question102: Which of the following statement about RAID 2.0 is correct? (Multiple choice.)

Question103: Huawei OceanStor storage controller BBUs are both fault alarm. Which description is correct for the upper application?

Question104: 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.)

Question105: What are the several recovery mode drills of Huawei Replication Director disaster recovery?
(Multiple choice.)

Question106: When planning dual-active disaster recovery solution, the business end adopts the cluster application.
Which of the following clusters is the application cluster?

Question107: To cluster the server's public IP address in Oracle RAC deployment process, private IP address is written to the / etc / hosts file, and Virtual IP address, cluster unique access IP address and public IP address are added. Which of the following configuration is correct? (all subnet mask are 255.255.255.0)

Question108: Which of the following best practice description of Oralce database is correct? (Multiple choice.)

Question109: Set the soft quota and hard quota using the OceanStor V3 file system quota feature. During each IO writing operation, consumption of space capacity, if the number of files exceeds the soft quota is the first to be checked.

Question110: Which of the following description of the infoLocker feature of Huawei's Ocenastor 9000 is incorrect?

Question111: 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?

Question112: Which of the following description of the application of NDMP backup on the OceanStor 9000 V100R001C30 is wrong?

Question113: 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?

Question114: If the main service is normal in the simpana-based backup solution, view the following log:

Question115: Disaster recovery project information research mainly includes information about who what why three.
What is the following information background? (multiple choice)

Question116: Which of the following describes the correct process of disaster recovery and Huawei disaster recovery solution?

Question117: 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?

Question118: 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.)

Question119: Which of the following description about Huawei Oceanstor 9000 to achieve deErasure code N + M redundancy technology is wrong?

Question120: 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?

Question121: Huawei two nodes Standard Edition N8500, opened the CIFS service. Which of the following CIFS parameters prevents users from seeing other users in the table of Contents?

Question122: Which of the following copy is supported by OceanStor V3 remote file system?

Question123: If a customer needs to install the simpana file system, backup client on the production system server and proceeds the following Backup and recovery operations, which of the following configuration is essential?
(Multiple choice.)

Question124: Which of the following operations is not a disaster recovery fault Recovering a production system manually Configure the necessary operations? (Multiple choice.)

Question125: 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.)

Question126: Which of the following description of the storage protocol is correct? (Multiple choice.)

Question127: Which of the OceanStor V3 file system remote replication description is correct? (Multiple choice.)

Question128: 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.

Question129: 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.

Question130: 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?

Question131: 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:

Question132: The figure shows an N8500 (V200R001) NAS engine chassis. The two NAS engine nodes in the chassis form a two-node N8500 NAS cluster. Which description of the front-end and back-end network planning of the cluster is correct. (Multiple choice.)

Question133: A TV station plans to adopt Huawei OceanStor 9000 as a back-end storage system, with 10 OceanStor
9000 C node, 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?

Question134: 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:

Question135: Which of the following vmware backup networking, does not apply directly to the scene on tape?

Question136: When the N8500 (V200R001) clustered NAS operating system is archived as a banknote imaging platform, the information about storage units and networks is set. Choose the correct statement.

Question137: Which of the following is not a disaster recovery? Restart manual configuration necessary to restore the production system (Multiple choice.)

Question138: Using non-deduplication storage based on the disk library strategy, data recovery fails after the data life of the backup has expired:

Question139: The RMAN command dbms-rcvcat in the three PL / SQL packages is used to query the recovery catalog and target database control files, such as the list, report commands or a call to the package.

Question140: In an OceanStor V3 series storage array, all the snapshots of a LUN occupy not more space than that of the LUN.

Question141: The volume group vg01 has been yo ushuju, and the client business has run. Modify vg01 into vg - app without affecting the HPUX 11.31 system.
What's the main step in data on vg?

Question142: The following is the erroneous description of info stamper in OceanStor 9000 storage system:

Question143: What are the common high-risk operations under Linux? (Multiple choice.)

Question144: Which of the following is a description of the UltraPath multipath setting? (Multiplexed.)

Question145: RAID2.0 has the natural advantage of supporting the smart tier, to accelerate the performance of hot data.
Which of the following surface description about the smart tier performance is correct?

Question146: Which remote replication description about the OceanStor V3 file system is correct? (Multiple choice.)

Question147: 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?

Question148: Which of the following description for Thin LUNs and Thick LUNs for OceaStor V3 storage is true?

Question149: HP UN order lvextend-m parameters can be set behind. What is the value? (Multiple choice.)

Question150: In Huawei OceanStor system, the size of the file system block is a measure of the size of the accessed file system block. The size of the block is designed according to the size of the data block. Different size of the file system block selects the corresponding file system block, according to the size of the data block. If the business scenario is the media, for large file archiving or stagger I / O backup scenarios, it is recommended to choose the default 64KB disk block size.