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H13-611 HCNA-Storage-BSSN Examination
1. Which of the following items are enterprise IT systems? Choose two answers. ( )
A. Mobile signal transmission base
B. Network system
C. Storage system
D. Mobile terminal
2. Which of the following disk interface technologies use serial interface technology? Choose three answers. ( )
A. ATA
B. SATA
C. SAS
D. Fibre Channel
3. Which of the following statements about IPMI is incorrect? ( )
A. IPMI is not an open standard. Users must pay extra fees for using IPMI.
B. IPMI is an industry standard for management of peripherals used in enterprise systems based on Intel® architecture.
C. IPMI is made by companies including Intel, HP, NEC, Dell, and SuperMicro.
D. Users can monitor the physical health status of servers (such as temperature, voltage, fan status, and power status) with IPMI.
4. Which of the following statements about RAID technology are correct? Choose two answers. ( )
A. Disks are striped for storing data blocks, shortening the mechanical seek time and accelerating data access.
B. Several disks in an array are accessed simultaneously (parallel access), shortening the mechanical seek time and accelerating data access.
C. Current RAID technology only uses the parity check mechanism to protect data
D. Performance of all RAID levels increases with the number of member disks.
5. In a RAID 5 group comprised of three disks, if 10110110 and 11010011 are written to the same stripe on the two data disks, respectively, 01100101 is written to the parity disk. T or F. ( )
6. Which of the following statements about pre-copy is incorrect? ( )
A. Pre-copy is the process of copying data from a failing member disk to a hot spare disk.
B. Data to be pre-copied must be reconstructed and calculated.
C. Pre-copy greatly reduces the risk of data loss.
D. Pre-copy requires hot spare disks.
7. HUAWEI T series storage system hardware includes controller enclosures and disk enclosures. Which of the following statements about controller enclosures are correct? Choose three answers. ( )
A. A controller enclosure does not have disks. Disks are installed in disk enclosures.
B. A controller enclosure consists of controller modules, fan-BBU modules, power modules, and interface modules.
C. A controller enclosure is the core of a storage system.
D. A controller enclosure processes storage services and manages the disk enclosures connected to it.
8. The components of a storage device are redundant, including controller modules, management modules, BBU modules, interface modules, power modules, and fan modules. Component redundancy ensures system reliability. T or F ( )
9. Which of the following statements about cache mirroring technology for the HUAWEI T series storage systems is incorrect? ( )
A. Both controllers on a storage device have a cache of the same specifications.
B. After a host delivers a read request, data is read from the cache on the local controller and that on the peer controller, respectively.
C. A cache mirror channel uses Fibre Channel, SAS, or PCIe.
D. After a host delivers a write request, the data is written to the cache on the local controller and that on the peer controller, respectively.
10. Which of the following describe DAS? Choose three answers. ( )
A. A storage device connects to a host using the SCSI-based bus architecture.
B. DAS is unfavorable to storage resource sharing.
C. The host CPU has heavy loads.
D. Long-distance transmission is supported between a host and a storage device.
11. Dual-switch networking is widely applied in Fibre Channel SANs. Which of the following are its characteristics? Choose three answers. ( )
A. Two Fibre Channel switches are deployed in a SAN for connecting to the two controllers of a storage device.
B. A dual-port Fibre Channel HBA or two single-port HBAs must be installed on a host. The two Fibre Channel ports connect to two Fibre Channel switches.
C. The ports on the two Fibre Channel switches connecting to the hosts and storage device must reside in the same zone.
D. As multiple paths exist, the dual-switch networking mode supports link redundancy but does not support load balancing.
12. Which of the following statements about the WWNN and WWPN of a Fibre Channel HBA are correct? Choose three answers. ( )
A. A node (for example, a device) in a Fibre Channel network has a WWNN.
B. A WWNN can be used by one or multiple WWPNs.
C. A WWPN is a globally unique identifier assigned to each Fibre Channel port.
D. A WWPN can be used by one or multiple WWNNs.
13. Which of the following statements about IP SANs are correct? Choose three answers. ( )
A. IP SAN storage implements block-level data storage based on IP networks.
B. IP SAN storage systems feature easy deployment, high reliability, and flexible scalability.
C. IP SAN storage systems use the local iSCSI Initiator to set up a SAN network with the iSCSI Target through an IP network.
D. IP SAN storage systems can greatly reduce investment costs. They are gaining in popularity and will gradually take the place of Fibre Channel storage systems.
14. In a Red Hat Linux 5 operating system, which command is used to query disk space? ( )
A. df -h
B. show disk
C. fdisk
D. show space
15. In a SUSE Linux 10 operating system, which command can be used to start open-iscsi? Choose two answers. ( )
A. open-iscsi start
B. service open-iscsi start
C. /etc/init.d/open-iscsi start
D. start open-iscsi
16. When you are creating a LUN for a HUAWEI T series storage system V100R005, which of the prefetch policies shown in the following figure should be selected? Requirement: After receiving a data read request, the storage system prefetches the data to the cac ( )
A. Non-prefetch
B. Intelligent prefetch
C. Constant prefetch
D. Variable prefetch
17. Which of the following are advantages of object storage? Choose three answers. ( )
A. Object interface, dividing data flexibly
B. External SCSI or file interfaces
C. Flat objects, allowing easy access and expansion
D. Improved data integrity and security
18. Depending on the protection level, which types does disaster recovery fall into? Choose three answers. ( )
A. Service-level disaster recovery
B. Application-level disaster recovery
C. Data-level disaster recovery
D. Remote disaster recovery
19. Which of the following are deployment modes of cloud computing? Choose three answers. ( )
A. Public cloud
B. Private cloud
C. Hybrid cloud
D. E-Government cloud
20. Which of the following are characteristics of the HUAWEI N9000 big data solution? Choose three answers. ( )
A. Integrating big data storage, backup, and analysis
B. Using the HDFS file system
C. Supporting diverse interfaces and data types
D. Configuring the number of nodes based on performance and capacity requirements
21. Which of the following statements about LUN mapping configuration of HUAWEI T series storage systems V100R005 are correct? Choose two answers. ( )
A. A private LUN can be mapped to a host.
B. LUNs can be mapped to a host in the default host group.
C. To create a LUN mapping, choose Storage Resources > LUNs.
D. To create a LUN mapping, choose Mappings > Host Groups > Hosts > Add LUN Mapping.
22. In a SUSE Linux 10 operating system, which command is used to scan for LUNs after multipathing software is installed? ( )
A. rescan
B. scan LUN
C. hot_add
D. find LUN
23. Which of the following statements about the relationship among iSCSI, FCIP, and iFCP are correct? Choose three answers. ( )
A. FCIP is an extension of Fibre Channel, whereas iSCSI leverages IP to completely replace the Fibre Channel adopted by a SAN.
B. iSCSI and iFCP both have Fibre Channel encapsulated over TCP to support Fibre Channel transmission over IP networks.
C. iSCSI and iFCP differ in that iSCSI transmits data blocks whereas iFCP transmits FCPs over IP networks.
D. All three protocols are between TCP/IP and SCSI and serve as a bridge for their communication.
24. Which command is used to query the controller information of a HUAWEI T series storage device V100R005? ( )
A. showcontroler
B. showsys
C. showctrlinfo
D. showinfo
25. In a Red Hat Linux 5 operating system, which command is used to install the open-iscsi rpm package? ( )
A. install
B. rpm -ivh
C. make
D. make config
26. Which of the following are advantages of NAS storage systems over file servers? Choose three answers. ( )
A. High stability and reliability
B. Diverse services and powerful functions
C. Large storage space
D. High data security
27. File storage creates a file system on the basis of block storage. Data is organized in directory-directory-file mode, complicating data management. T or F ( )
28. Dual-switch networking is widely applied in Fibre Channel SANs. Which of the following are its characteristics? Choose three answers. ( )
A. Two Fibre Channel switches are deployed in a SAN for connecting to the two controllers of a storage device.
B. A dual-port Fibre Channel HBA or two single-port HBAs must be installed on a host. The two Fibre Channel ports connect to two Fibre Channel switches.
C. The ports on the two Fibre Channel switches connecting to the hosts and storage device must reside in the same zone.
D. As multiple paths exist, the dual-switch networking mode supports link redundancy but does not support load balancing.
29. In an IP SAN, which of the following devices is used as an iSCSI initiator? ( )
A. Application server
B. iSCSI disk array
C. iSCSI tape library
D. Ethernet switch
30. The IP SAN is a storage area network architecture built on Ethernet with TCP/IP as the underlying transport protocol. T or F ( )
Answers:
1.BC 2.BCD 3.A 4.AB 5.T 6.B 7.BCD 8.T 9.B 10.ABC 11.ABC 12.ABC 13.ABC 14.A 15.BC 16.D 17.ACD 18.ABC 19.ABC 20.ACD 21.CD 2.C 23.ACD 24.C 25.B 26.ACD 27.F 28.ABC 29.A 30.T
