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السؤال #1
The following is a "five-step method" for disaster recovery plan design. Which of the following is the correct order of design steps?
A. Storage capacity consideration and disaster recovery bandwidth calculation -> Network design -> Disaster recovery solution selection -> Compatibility confirmation -> Disaster recovery function design
B. Compatibility confirmation -> Storage capacity consideration and disaster recovery bandwidth calculation -> Disaster recovery solution selection -> Network design -> Disaster recovery function design
C. Storage capacity consideration and disaster recovery bandwidth calculation -> Compatibility confirmation -> Disaster recovery solution selection -> Network design -> Disaster recovery function design
D. Disaster recovery solution selection -> Compatibility confirmation -> Storage capacity consideration and disaster recovery bandwidth calculation -> Network design -> Disaster recovery function designcorrect
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اجابة صحيحة: D
السؤال #2
In traditional data center solutions, which of the following disaster recovery technologies is recommended for use in off-site disaster recovery centers?
A. Asynchronous remote replicationcorrect
B. Logical volume cloning
C. Synchronous remote replication
D. Active-Active
عرض الإجابة
اجابة صحيحة: A
السؤال #3
Bank M plans to build a remote disaster recovery center. The distance between the disaster recovery center and the production center is about 1000 km. When the bank is building the remote disaster recovery center, which of the following descriptions is wrong?
A. Network bandwidth needs to take into account the volume of business data changes in the production center
B. The bank's production center and disaster recovery center need to use asynchronous remote replication technology
C. The write latency of the front-end application of the bank's storage system has nothing to do with the distance between the production center and the disaster recovery center
D. Network bandwidth design does not need to consider the replication cyclecorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #4
True or False, with a client using the SMB 1.0 / 2.0 / 2.1 / 3.0 protocol to perform file replication inside a Huawei OceanStor 9000, it does not need to pass through the client, but can be done directly to the system.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #5
Huawei OceanStor all-flash storage system supports IP drift to ensure business continuity and reliability. Which of the following statements about IP drift is wrong?
A. When "Manual" is selected for the "Failback Mode" of IP drift, the system can switch the service back to the active port only when the active port link is in a normal state and lasts for more than 1 minute when the port failure recovers
B. If Ethernet ports A and B are added to VLAN 2, ports A and B belong to the same drift group by default
C. An Ethernet port can create multiple logical ports
D. If bound port A and physical port B join the same VLAN, as long as one physical port in bound port A fails, the service will be switched to physical port
عرض الإجابة
اجابة صحيحة: A
السؤال #6
Hot Standby strategy in Oceanstor 1800 is set to high, all using 1TB hard disk, when in the hard disk domain respectively have 8 pieces of hard disk,80 pieces of hard disk,180 pieces of hard disk and 280 pieces of hard disk, how much hot spare space will the system assign respectively? (Unit: TB)
A. 1, 7, 8, 9
B. 1, 7, 15, 24
C. 1, 4, 8, 8
D. 1, 5, 7, 8correct
عرض الإجابة
اجابة صحيحة: D
السؤال #7
Some customer wants to deploy a OceanStor V3 to meet its capacity and performance requirements. Which of the following do we need to consider the specific hard disk configuration number? (Multiple choice)
A. bare capacity of hard diskcorrect
B. metadata space sizecorrect
C. Type of Hard diskcorrect
D. RAID typecorrect
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #8
There are 96 disks in a disk domain of Huawei OceanStor hybrid flash storage system. In order to fully utilize the performance of the disks, when planning, it is recommended that the total number of LUNs in the disk domain should not be less than which item?
A. 96
B. 4
C. 32
D. 12correct
عرض الإجابة
اجابة صحيحة: D
السؤال #9
Which of the following scenarios do not support homogeneous online migration based on heterogeneous virtualization features?
A. Huawei self-developed multipath with the source storage is S5500 and the host installed V1R8C20
B. Huawei self-developed multipath with the source storage is S5500T and the host installed V1R8C20
C. The source storage is S5500 and the host operating system type is Solaris
D. The source storage is S5500T and the host comes with multipath use SCSI reserved cluster scenario
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اجابة صحيحة: D
السؤال #10
True or False, In an OceanStor V3 system storage array, all the snapshots of a LUN occupy no more space than the LUN.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #11
Which of the following statements about Huawei's distributed storage object storage quota feature is wrong?
A. Support bucket quota
B. Support account-level quotas
C. Bucket quotas can limit the upper limit of bucket capacity and the upper limit of the number of objectscorrect
D. Account-level quotas can set the capacity limit of an account
عرض الإجابة
اجابة صحيحة: C
السؤال #12
Under HPUX system has two user volume group: vg01 and vg02, run the following command: vgexport -v -s -p -m/tmp/vg01.map /dev/vg01 and vgexport -v -s -m /tmp/vg01.map /dev/vg02, execute vgdisplay can check which volume group?
A. vg01correct
B. vg02
C. vg01, vg02
D. empty
عرض الإجابة
اجابة صحيحة: A
السؤال #13
In the Huawei OceanStor 9000 version, in order to experiment with unified management of the video surveillance functions of multiple Huawei OceanStor 9000 products, it is necessary to install the UniformView software. Which of the following description is wrong?
A. When installing the UniformView software, the user can specify a directory and create a UniformView directory under the directory as the mount root directory
B. Use the NFS protocol to mount the specified shared directory to the cluster ID directory in read-only mode through the management IP address
C. The administrator executes the mount command on the UniformView client to mount different storage domains using the cluster ID and static IP address
D. UniformView parses the mount command and creates directories named after the cluster ID in the mount root directory
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اجابة صحيحة: C
السؤال #14
When the data migration solution based on remote replication is used, services must be suspended at least once.
A. TRUE
B. FALSE
عرض الإجابة
اجابة صحيحة: A
السؤال #15
Mainstream virtualization technologies include hardware virtualization (Hypervisors) and operating system virtualization (Containers). Which are key characteristics of hardware virtualization? (Multiple Choice)
A. A VM encapsulates the entire system into one or more files
B. A VM on one server can run on another server without any modification
C. VMs on the same server are isolated from each other
D. Multiple VMs simultaneously run on a single physical server
عرض الإجابة
اجابة صحيحة: ACD
السؤال #16
Which of the following LUN may the Huawei OceanStor v3 SmartErase feature be applied to?
A. Thin LUN
B. Snapshot LUN
C. Thick LUNcorrect
عرض الإجابة
اجابة صحيحة: C
السؤال #17
True or False, In an OceanStor V3 system storage array, all the snapshots of a LUN occupy no more space than the LUN.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #18
Which of the following information about the InfoEqualizer function of Huawei OceanStor 9000 is correct? (Multiple choice)
A. AWhen using the InfoEqualizer function, you need to configure DNS
B. BWhen there is a DNS server in the user network, the DNS server in the user network does not need to configure the forwarding record
C. CThe root domain name is the domain name InfoEqualizer configured for the cluster
D. DThe 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
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اجابة صحيحة: BCD
السؤال #19
In Huawei SSD, the operations of reading and writing data on NAND FLASH mainly involve erasing, programming and reading. The basic operation unit of programming and reading is Block, the basic operation unit of erasing is Page, and the number of times of erasing and writing to Page is limited.
A. TRUE
B. FALSE
عرض الإجابة
اجابة صحيحة: B
السؤال #20
Which of the following statement is not true about the working principle of CIFS? (multiple choice)
A. Before establishing a shared connection, establish a session first and then negotiate the agreement
B. establish a shared connection before the file operation
C. do the safety certification in the agreement negotiation stage
D. after file operation is completed, does not require client requests, the server will automatically disconnect the shared connection
عرض الإجابة
اجابة صحيحة: ACD
السؤال #21
In Huawei OceanStor 9000, which technology does the application support to improve performance? (Multiple choice)
A. Support SMB3 Multichannel function and take advantage of multi-core CPU and bandwidth resources within the client, significantly improving performance
B. When there are multiple objects write request at the same time in a hard drive, support to merge for continuous large IO, significantly improve system performance
C. When the internal file copy, without going through the client, complete directly at high speed inside the system
D. support 10GE and PCIE network, through the inter-node high-speed Internet, reduce delays within the system to provide superior performance
عرض الإجابة
اجابة صحيحة: ABC
السؤال #22
In the OceanStor 9000 storage system, when the InfoReplicator feature master-slave switchover, it supports automatic switching of quotas, share permissions, stripe size and directory redundancy ratio.
A. TRUE
B. FALSEcorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #23
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.)
A. AHost to the optical switch connection is abnormal
B. BWhen configuring the zone on the switch, configure the FC port and the host port that works in the working mode of the VIS6600T as a target in one zone
C. CThe working mode of the VIS6600T is abnormal because the initiator's FC port is connected to the optical switch
D. DIn the working mode of VIS 6600T, the connection between the FC port of the target device and the optical switch is abnormal
عرض الإجابة
اجابة صحيحة: AD
السؤال #24
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
عرض الإجابة
اجابة صحيحة: BD
السؤال #25
For huawei OceanStor V3 storage system prefetch strategy, which is true?
A. smart prefetching is suit for single data flow reading application, or unable to determine whether the reading application is sequentially scene
B. variable prefetching is suit for fixed-size size sequentially reading application
C. fixed prefetching is suitable for the database application
D. prefetch not suitable for multi-user multimedia on demand
عرض الإجابة
اجابة صحيحة: A
السؤال #26
In the active-active solution, which of the following descriptions of storage layer planning principles is wrong?
A. The LUNs that make up the active-active pair must be mapped to all hosts at the same time
B. The local LUN and remote LUN capacities of the active-active pair are consistent
C. The storage pools where the LUNs that make up the active-active pair are located use the same storage media and configuration information
D. The LUNs that make up the active-active pair can use different RAID policiescorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #27
For common SOL Server 2005 and 2008, users can connect to database engine of a specified server through SQL Server Management Studio tool. There are two connection authentication ways in the "Connection" group, wherein in ( ) mode, need to provide a user ID and password required when client application connects.
A. SQL Server Authenticationcorrect
B. Windows Authentication
C. When the superuser login
D. when landing in other ways
عرض الإجابة
اجابة صحيحة: A
السؤال #28
When using the OceanProtect dedicated backup storage data backup feature to back up data in FusionCompute virtual machines, which of the following descriptions of its backup business process is wrong?
A. 0ceanProtect dedicated backup storage calls the FusionCompute platform management interface to create a CBT snapshot for the virtual machine to be backed up
B. Create a file system for storing backup data in the backup storage of OceanProtect dedicated backup storage, and mount it to the ProtectAgent host
C. After the backup is completed, the 0ceanProtect dedicated backup storage notifies the ProtectAgent host to unmount the file system
D. For the same resource, subsequent full or permanent incremental backups will create the file system multiple times
عرض الإجابة
اجابة صحيحة: B
السؤال #29
Inorder to verify the consistency of the slave LUN data with the source data and to protect slave LUN data, which of the following descriptions is incorrect:
A. After the verification is completed, stop the upper-layer service application, release the LUN mapping, and finally delete the snapshot
B. After the snapshot LUN is mapped to the host, the host can read and write the snapshot LUN
C. Create a virtual snapshot of the slave LUN and activate it, then map the snapshot LUN to the host for authentication
D. Stop the snapshot before the host can write snapshot LUN
عرض الإجابة
اجابة صحيحة: D
السؤال #30
A company plans to use remote replication between data centers A and B for data protection. Currently, there is 32 GB of production data at site A, which needs to be replicated to site B within 2 hours. The bandwidth utilization rate is about 80%. Please calculate the bandwidth required between sites A and B to meet business needs (without considering deduplication and compression). Which of the following is closest to the actual data?
A. 10 Mb/s
B. 15 Mb/s
C. 20 Mb/s
D. 25 Mb/scorrect
عرض الإجابة
اجابة صحيحة: D

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