H13-622 - HCNP-Storage-CBDS (Huawei Certified Network Professional - Constructing Big Data Solution)

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Example Questions

A 2-node N8500 clustered NAS engine is a 4 U enclosure. The heartbeat links between the two nodes are set up based on the internal PCIe channels. You are required to check the installation environment before installing software on an OceanStor 9000 storage system. Which of the following conditions does not meet these requirements? In the OceanStor 9000, a node pool is a collection of nodes that have the same characteristics such as physical type and access performance, and DST allows a user to divide physical nodes in the same file system into node pools. If an application server cannot access the storage resources of an N8500 storage system, which of the following operations can be performed for troubleshooting? (Select 3 answers) An N8500 clustered NAS system is equipped with six engine nodes and four S5500T storage arrays. Each engine node provides eight service network ports. How many IP addresses must be configured for the N8500? If the internal link is faulty in an N8500 clustered NAS storage system, which of the following items can be skipped during troubleshooting? Which command is used to monitor the CPU usage in performance optimization of the N8500 clustered NAS storage systems? The stripe file system data of an N8500 clustered NAS storage system is stored on multiple data disks in the same way as data in RAID 0. The stripe file system provides high read/write performance but low security. The N8500 clustered NAS storage system supports bonding of multiple service network ports. Which of the following statements about bond4 and bond6 are correct? (Select 3 answers) Scale-out is a horizontal expansion architecture that addresses the needs and challenges caused by rapid data growth and complex data changes. The scale-out architecture features distributed processing, online expansion, data sharing, and clustering. Which of the following statements about the InfoQuota feature of the OceanStor 9000 are correct? (Select 3 answers) Which of the following statements about NewSQL databases are correct? (Select 3 answers) Which of the following issues are resolved by big data storage security technology? (Select 3 answers) If the name of a shared directory is dirtest in an OceanStor 9000 storage system, local users who have permission can access the directory by entering \\*.*.*.*\dirtest, where *,*.*,* must be the front-end service IP address of the node that provides storage space for the dirtest directory. Which of the following statements about the characteristics of the file system snapshot feature provided by an N8500 clustered NAS system are incorrect? (Select 2 answers) If the file system sharing services are interrupted on an N8500 storage system, which of the following information must be collected for troubleshooting? (Select 3 answers) In a NetBackup-based N8500 file system backup network, all the nodes of the N8500 must be connected to both the NetBackup master server and media servers. The HUAWEI OceanStor Toolkit V100R001 is used for preventive maintenance. The preventive maintenance wizard does not include which of the following? A customer has purchased an N8500 clustered NAS storage system configured with ten 1 TB SAS disks and twelve 1 TB NL-SAS disks. Two RAID groups are planned. RAID group 1 is a RAID 5 consisting of nine SAS disks. RAID group 2 is a RAID 6 consisting of 11 NL-SAS disks. Two global hot spare disks are configured. What is the available capacity of the storage system? If the application scenario of an N8500 clustered NAS system is Mac OS, the OS can access shared files on the N8500 through NFS. The HUAWEI OceanStor Toolkit V100R001 is used for information collection. When importing a service package, you can find the service package in the datacollect folder under toolcases. On Huawei N8500 V200R001, gabconfig -a can be executed to query the port communication status of a GAB member in a cluster. Port h gen is the communication port of which member? Which of the following statements about the application scenarios of different nodes of the HUAWEI OceanStor 9000 big data storage systems is correct? An OceanStor 9000 storage system is deployed using the OceanStor Toolkit. Which of the following statements about the settings of the OceanStor Toolkit configuration file are correct? (Select 2 answers) Which of the following are considered when planning the deployment of an N8000 clustered NAS storage system? (Select 3 answers) Which of the following statements about different service applications' storage performance and capacity requirements are correct? The 10GE networking of an OceanStor 9000 uses a CE6850-48S4Q-EI switch. Which of the following statements about the switch are correct? (Select 2 answers) The networking of an HUAWEI OceanStor 9000 big data storage system includes which of the following? (Select 3 answers) Typically, how many storage units can be configured for a 4-node N8500 to implement direct- connection networking? In the cluster communication architecture employed by an N8500 clustered NAS system, modules such as the resource agent, HAD, GAB, and Low Latency Transport (LLT) must collaborate to implement cluster communication. Which of the following statements about the work mechanisms of these modules are correct? (Select 3 answers) If an OceanStor 9000 storage system consists of four M nodes and uses 10GE for the back-end network, how many IP addresses must be planned for the back-end storage network segment? In an N8500 system, if an engine node is faulty and the other components are in the normal state, the consequences do not include which of the following? A customer has purchased a 4-node N8500 clustered NAS storage system. The enterprise-edition engine nodes have two CPUs, 10GE network ports, and 48 GB cache. The performance of an engine node reaches 700 MB/s. The back-end storage uses the S5600T, which is configured with 80 SAS disks divided into eight 9-disk RAID 5 groups. Each RAID group has one hot spare disk. The performance of each SAS disk in the 9-disk RAID 5 groups is 30 MB/s. According to the preceding information, what is the overall performance of the N8500 without considering other factors? When you are using the OceanStor Toolkit to deploy an OceanStor 9000 storage system, you must configure the front-end network mask, front-end network gateway, back-end network mask, back-end network gateway, management network mask, and management network gateway in the configuration file of the OceanStor Toolkit. An N8500 clustered NAS storage system cannot be logged in to using the master account. Which is the possible cause? Which of the following statements about the indicators on an N8500 clustered NAS system are correct? (Select 2 answers) Which of the following statements about the VxVM implementation mechanism employed by an N8500 are correct? (Select 2 answers) Which of the following statements about the file system used by the OceanStor 9000 is incorrect? When configuring file systems for the N8500 clustered NAS storage systems, you are advised to configure a file system size not larger than 32 TB and the size of small-file storage applications not larger than 16 TB to achieve satisfactory reliability and data recovery speed. (The small files here refer to the files with an average size of 1 MB.) Which of the following statements about the InfoTier feature of the OceanStor 9000 are correct? (Select 2 answers) Which of the following statements about CIFS are correct? (Select 2 answers) In the cluster communication architecture employed by an NS500 clustered NAS system, modules such as the resource agent, HAD, GAB, and Low Latency Transport (LLT) must collaborate to implement cluster communication. Which of the following statements about the work mechanisms of these modules are correct? (Select 3 answers) In an N8500 clustered NAS system, underlying virtualization is implemented by the VxVM component. The virtual objects managed by the VxVM are VM disks, disk groups, subdisks, and plexes. Which of the following statements is incorrect? The mirrored-stripe file system of the N8500 clustered NAS storage systems is ideal for scenarios that require high data security and read/write performance. Which of the following is the major technical feature of the mirrored-stripe file system? Which of the following are possible challenges facing massive data management? (Select 2 answers) Which of the following statements about the simple file system of the N8500 clustered NAS storage systems is incorrect? In performance optimization of the N8500 clustered NAS storage systems, the top command is runand the following output is displayed: top - 01: 06: 48 up 1: 22, 1 user, load average: 0.06, 0.60, 0.48 Tasks: 29 total, 1 running, 28 sleeping, 0 stopped, 0 zombie Cpu(s): 0.3% us, 1.0% sy, 0.0% ni, 98.7% id, 0.0% wa, 0.0% hi, 0.0% si Mem: 191272k total, 173656k used, 17616k free, 22052k buffers Swap: 192772k total, 0k used, 192772k free, 123988k cached Which of the following statements is incorrect? Which of the following are included in Hadoop? (Select 3 answers) Which of the following statements about IP address planning for the N8500 clustered HAS storage systems is incorrect? In N8500 clustered NAS system V200R001, how many redundant heartbeat links are set up between two nodes?