QUESTION 101
Which of the following statements about the HyperClone synchronization process are correct?
A. A snapshot license is required because, during initial synchronization, a snapshot is automatically created for the source LUN.
B. Reverse and incremental synchronization are not supported.
C. After a HyperClone pair is created, initial data synchronization is started. Synchronized data will overwrite the data on the target LUN (if any).
D. After a HyperClone pair is created, all data will be synchronized in initial synchronization.
Correct Answer: ACD
QUESTION 102
DeviceManager allows you to create a storage pool in a recommended or custom way.
A. TRUE
B. FALSE
Correct Answer: A
QUESTION 103
Which of the following objects can be monitored on DeviceManager?
A. Disk
B. Snapshot
C. Logical port
D. Controller
E. LUN
Correct Answer: ABCDE
QUESTION 104
During routine maintenance of a storage device, engineer A runs the “change user user_name=newuser level=admin” command in the CLI. Which of the following statements about this command are correct?
A. The attribute of the operation object is user.
B. The user level is changed to admin.
C. A change operation is performed.
D. The operation object is user_name.
Correct Answer: ABCD
QUESTION 105
Which of the following is not a non-volatile medium?
A. DRAM
B. NAND flash
C. MRAM
D. PCRAM
Correct Answer: A
QUESTION 106
To expand the capacity of a Huawei storage system, the administrator decides to use the scale-out mode.
scale-out has a lower cost than PCIe scale-out. (Enter the abbreviation.)
Correct Answer: IP
QUESTION 107
Assume a company requires high-security storage systems at a storage space utilization of over 60%. Which of the following RAID levels is an appropriate choice?
A. RAID 0
B. RAID 6
C. RAID 1
D. RAID 10
Correct Answer: A
QUESTION 108
JBOD is a collection of disks, usually called a disk chassis.
A. TRUE
B. FALSE
Correct Answer: A
QUESTION 109
Which of the following levels can RDMA route data packets to with transport offload?
A. Memory level
B. Application level
C. Chip level
D. Process level
Correct Answer: C
QUESTION 110
Huawei entry-level storage products adopt the dual-controller architecture by default.
A. TRUE
B. FALSE
Correct Answer: A
QUESTION 111
Which of the following scale-up networking modes can be used by Huawei SAS disk enclosures?
A. Backward connection networking
B. Forward connection networking
C. Dual-plane networking
D. Symmetric networking
Correct Answer: AB
QUESTION 112
Which of the following statements about thick LUNs and thin LUNs is incorrect?
A. A grain is the minimum granularity to allocate storage space in a thin LUN.
B. An extent is the minimum granularity to allocate storage space in a thick LUN.
C. After data on a thin LUN is deleted, the space is reclaimed to the storage pool.
D. In each I/O operation, space needs to be applied for by a thick LUN for data writing.
Correct Answer: D
QUESTION 113
Which of the following statements are correct about the evolution of mid-range storage architectures?
A. Both NAS and SAN protocols are supported.
B. The dual-controller active-active architecture can be used.
C. The mid-range storage provides fixed interface configuration.
D. Interface hardware is usually modular.
Correct Answer: ABCD
QUESTION 114
RDMA is a technology that transfers buffer data between two server applications over a network.
A. TRUE
B. FALSE
Correct Answer: A
QUESTION 115
Which of the following statements about FCoE are correct?
A. FCoE encapsulates FC data frames in Ethernet frames and allows service traffic on a LAN and SAN to be transmitted over the same Ethernet.
B. FCoE supports a shorter transmission distance than FC.
C. It is used to transmit FC signals over enhanced lossless Ethernet infrastructure.
D. The Ethernet running FCoE must be an enhanced lossless Ethernet to meet the transmission requirements of the FC protocol for the link layer.
Correct Answer: ACD
QUESTION 116
Both RoCE and iWARP are RDMA technologies. Which of the following is used to implement RoCE and iWARP?
A. FC network
B. IPX network
C. IB network
D. Ethernet
Correct Answer: D
QUESTION 117
The NFS protocol uses the client/server architecture.
A. TRUE
B. FALSE
Correct Answer: A
QUESTION 118
Before maintaining a DAS storage device, you need to power off the system.
A. TRUE
B. FALSE
Correct Answer: A
QUESTION 119
Which of the following statements about the CIFS protocol are correct?
A. CIFS implements file resource sharing based on TCP/IP.
B. The resource overhead of NFS is much smaller than that of CIFS.
C. CIFS involves more interactions than NFS.
D. CIFS does not require security authentication.
Correct Answer: AC
QUESTION 120
Which of the following are optimized on the NAS OS compared with general-purpose servers?
A. Deep learning
B. Search
C. File service
D. Storage
Correct Answer: BCD