There are many services in the 8500 clustered NAS system that support system functions, such as NFS and CIFS basic service groups. Each service group is a collection of resources, each resource has an agent responsible for managing these resources, the availability of these resources directly or indirectly affect the status of the service. Which of the following is not an NFS service group resource agent?
A. NIC
B. HASHAdow
C. disk
D. IP
Customer business is very important and has a large amount of data, requiring the best possible business continuity after natural disasters. Which kind of network design is best for this?
A. In the same city set up two data centers to do synchronous replication, located in another remote data center to do asynchronous remote replication
B. Set up two data centers in the same city to form a dual disaster recovery network
C. Set up a data center in the local and remote sites to form a dual-active disaster recovery network
D. In the same city set up two data centers to do double live in another remote data center to do asynchronous remote replication
EXT3 is the third-generation extended file system commonly used in the Linux operating system. Which of the following statements is correct regarding the EXT3 file system?
A. block is composed of a number of consecutive areas, block number starting from 1, the overall number, grouping
B. Each i node corresponds to a 1GE file or folder, which stores the description file size, file storage location and other information
C. The block group consists of a number of consecutive blocks, the number within the block group is determined by the block size
D. The superblock stores the basic information about the EXT3 file system
True or False, during the disaster recovery drill, to you want to switch the service to the disaster recovery end. In order to prove the reliability of the disaster recovery system, you need to test by simulation test and other means as much as possible.
A. True B. False
Which of the following is true regarding IP drift in the Huawei Oceanstor V3 storage system?
A. One Ethernet port can create multiple logical ports
B. If Ethernet ports A and B are added to VLAN 2, by default the ports A and B data are in the same drift group
C. If binding port A and physical port B join a unified VLAN, as long as there is a physical port in bonded port A, the service will switch to Physical Port B
D. When the IP drift mode is set to "Manual", when the port is restored, and the active port link is in a normal state for more than one minute, the system can cut back the service to the main port.
True or False, in a Huawei OceanStor V3 smartVirtualization, eDevLUN and external LUNs are a one-toone correspondence
A. True
B. False
What is the correct description of the Huawei Oceanstor 9000 read and write process?
A. The CA is responsible for initiating the metadata query
B. If the global cache read hit, read from the global cache without having to go to the OBS to read the stripe data
C. Reading data, the MDS is responsible for assembling the slitting data
D. When writing data, calculate the redundant data by MDS
Which of the following is correct about the OLAP business load characteristics? (multiple choice)
A. Read operation for sequential read
B. A single IO is large, the typical value of 64KB ~ 1MB
C. No IO write operation
D. Usually data is not overwritten by the cycle or days to measure
True or False, The smart Matrix architecture is a multi-control interconnected system architecture designed by Huawei for the core storage system of an enterprise data center. Based on the smart matrix principle, Huawei OceanStor 18000 supports up to 16 engines (32 controllers) cluster.
A. True
B. False
When the oracle database is in an open state, which of the following is the correct oracle database recovery action?
A. Restore the entire data file
B. roll back to the Council before crying to a certain point in time
C. Recovery control file
D. open state can not be restored action
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