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NEW QUESTION 136
A company is mainly used for file system sharing in Linux, UNIX, MacOS and VMware operating system environments. Which of the following file access protocols is suitable for this company?
- A. Telnet
- B. NFS
- C. CIFS
- D. HTTP
Answer: B
NEW QUESTION 137
Which of the following description about NAS is wrong? (Multiple choice)
- A. Do not allow NAS to be accessed by multiple clients at the same time
- B. NAS devices can use cluster technology for failover
- C. A client cannot connect to multiple NAS devices at the same time
- D. NAS provides a console centralized management, which can effectively manage the file system
Answer: A,C
NEW QUESTION 138
Which of the following descriptions of the working principle of NFS are wrong? (Multiple Choice)
- A. In the NFS working process, the request of the client program can be directly sent to the server without RPC.
- B. The NFS service must be started on the RPC service, otherwise NFS will not be able to register port information with RPC
- C. RPC service can uniformly manage NFS port commands
- D. RPC can provide services for sharing data during NFS work.
Answer: A,D
NEW QUESTION 139
The difference between DAS and SAN, which of the following descriptions is wrong?
- A. DAS and SAN are both external storage, so storage resource sharing can be easily realized
- B. SAN redundant networking provides higher reliability
- C. DAS is suitable for small and medium LAN environments with only a few servers
- D. SAN is suitable for medium and high-end storage application environments, such as critical databases, centralized storage, large-scale storage, backup and disaster recovery scenarios
Answer: A
NEW QUESTION 140
In a RAID 5 composed of three disks, if 10110110 and 11010011 are written to two data disks forming the same strip at the same time, then 01100101 will be written to the parity disk.
- A. False
- B. True
Answer: B
NEW QUESTION 141
Regarding the common protocols used by the storage, which of the following statement is correct?
- A. A SAS domain can connect 15 devices.
- B. ATA protocol uses parallel interface, which can only be used internally, and there are requirements for cable length.
- C. SCSI protocol does not support hot plug.
- D. FC protocol compatibility is good, long transmission distance.
Answer: B
NEW QUESTION 142
The amount of data backed up by incremental backup is greater than that of differential backup.
- A. False
- B. True
Answer: A
NEW QUESTION 143
Which of the following descriptions about RAID technology is correct? (Multiple choice)
- A. Current RAID technology only uses parity check mechanism to protect data
- B. In RAID 0, multiple hard drives are accessed at the same time (parallel access), speeding up data access performance
- C. Not every RAID technology can improve write performance
- D. The performance of all RAID levels increases linearly as the number of member disks increases
Answer: B,C
NEW QUESTION 144
Which of the following are not required components in the FC SAN environment? (Multiple choice)
- A. Storage equipment
- B. FC switch
- C. Windows operating system
- D. FC HBA
Answer: B,C
NEW QUESTION 145
NAS equipment optimizes file service, storage, retrieval, file access and other functions on the basis of general-purpose servers.
- A. False
- B. True
Answer: B
NEW QUESTION 146
Regarding the high reliability and cross-data center disaster recovery methods in the data center under the traditional mode and cloud computing mode, which of the following is wrong?
- A. In the cloud computing mode, the data center relies on component redundancy to achieve high reliability
- B. Under the traditional model, cross-data center disaster recovery is mainly based on copying business data, and the recovery process is complicated and the recovery period is long.
- C. In the cloud computing model, cross-data center disaster recovery is all the data replication of business data and operating environment. The integrated management and recovery process is simple and the recovery period is short.
- D. In the traditional mode, the data center relies on component redundancy to achieve high reliability
Answer: A
NEW QUESTION 147
There is a problem with the source LUN of remote replication, and the target LUN will take its place.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 148
Which of the following statements about the evolution of storage network architecture is correct?
- A. Distributed storage appeared at the same time as DAS, providing better scalability for DAS architecture
- B. Users first generated storage requirements due to the increase in data volume, which resulted in the earliest and simplest storage architecture SAN
- C. Compared with DAS architecture, NAS architecture can better provide file sharing services
- D. SAN provides file storage, and its emergence solves the inconvenience of file sharing in the DAS architecture
Answer: C
NEW QUESTION 149
In the Huawei storage system, which of the following descriptions about the characteristics of virtual snapshot LUNs is correct? (Multiple choice)
- A. Complete data replication is not necessary
- B. The storage system can generate a snapshot in a few seconds
- C. Use the mapping table to find the data
- D. Snapshot LUN cannot be mapped to the host
Answer: A,B,C
NEW QUESTION 150
The built-in storage system is directly connected to the host bus, which mainly includes the high-speed cache and memory required for CPU operations, and the hard disk and optical drive directly connected to the computer motherboard.
- A. False
- B. True
Answer: B
NEW QUESTION 151
A bank newly purchased a full-flash storage device (such as Huawei Ocean Stor full-flash memory), and the engineer initialized the device. Which of the following operations is correct?
- A. When logging in to Device Manager, use port number 8088
- B. It is required to tolerate 2 data CHUNK failures, and configure the RAID strategy to RAID 5
- C. When creating hosts in batches, create 600 hosts at once
- D. When creating a LUN, configure the LUN as a Thick LUN
Answer: A
NEW QUESTION 152
Which of the following belong to the operation and maintenance standard system? (Multiple Choice)
- A. SNIA (Storage Networking Industry Association)
- B. ITIL (Information Technology Infrastructure Library)
- C. IEEE (Institute of Electrical and Electronics Engineers)
- D. ISO 2000 (International Organization for Standardization 2000)
Answer: B,D
NEW QUESTION 153
NFS has high asynchronous write performance, but if the client and storage system fail at the same time, there may be a risk of data loss.
- A. False
- B. True
Answer: B
NEW QUESTION 154
What technology is used to realize the conversion between Thick LUN and Thin LUN?
- A. LUN copy
- B. LUN migration
- C. Volume mirroring
- D. Clone
Answer: D
NEW QUESTION 155
In the bank's bill imaging system, structured data is often stored on the SAN array, and unstructured data is stored on the NAS array.
- A. False
- B. True
Answer: B
NEW QUESTION 156
Storage disaster recovery technology is mature, with a wide range of options.
- A. False
- B. True
Answer: B
NEW QUESTION 157
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