Bank A purchased Huawei's hybrid flash storage, which uses encrypted hard disk technology to enhance business data The security, which of the following statements are correct ()
A. External Key Manager adopts KMIP+TLS standard protocol
B. nternal Key Manager is a key management application embedded in the storage system
C. The encrypted hard disk technology uses the AES256 encryption algorithm to ensure that the data stored on the disk is encrypted , And guarantee no impact on performance
D. OceanStor 18000/18000FV5 supports TPM for key protection
What is wrong about the AK/SK authentication process among the following options:
A. After single-selecting OceanStor9000 to retrieve SK, use the MD5 algorithm to request the content of Zhang He Encrypt and generate a signature.
B. When the user initiates a data request, the SK and the requested content are encrypted using the IAC algorithm, and a signature is generated name.
C. After OceanStor9000 receives the request and signature, it will check SK according to AK.
D. OceanStor9000 will compare the received signature with the signature calculated by the corresponding system. If yes, the authentication is passed.
When planning and designing storage projects, which of the following are more basic stages ()
A. Outline design stage
B. Conceptual design stage
C. Research phase
D. Physical design stage
In the software module of Huawei Oceanstor 9000, it belongs to the distributed object storage layer, not the distributed file system layer It is: (multiple choice)
A. O BS(Obiect Based Store)
B. MDS (MetaData Service)
C. Disk K-V Store
D. CA (Client Agent)
E. PVS(Protocol and Value-added Service)
Which one of the following options is incorrect for the description of the features of the Huawei Oceanstor 900 product?
A. Oceanstor 9000 adopts a fully symmetrical logical architecture and business load balancing design, which can greatly improve the concurrent access capability of the system
B. Oceanstor 9000 uses a global cache, so the data is saved in the cache
C. Oceanstor 9000 does not support access to Oceanstor DevieManager via HTTPS
D. Oceanstor 900 can expand smoothly, and its capacity and performance support linear expansion.
What is the incorrect description of the features of Huawei 0 ceanstor 9000lnfoTier and related concepts?
A. The node types in the node pool do not have to be the same
B. The number of nodes in the node pool is limited, including at least 3 nodes and at most 20 nodes
C. The hard disks of all nodes in the node pool are of the same type
D. InfoTier features correspond to different file pool strategies through different levels
The value of Huawei Oceanstor 9000infoTier is reflected in: (multiple choice)
A. can ensure the system's response speed to hot data access and improve the storage performance of the entire system
B. Take full advantage of the cost advantages of different storage media to effectively reduce deployment and maintenance costs
C. Improve system storage performance and realize intelligent data management
D. Realize automatic file migration according to the corresponding relationship between file attributes and different storage devices, reducing the cost and complexity of manual management
Regarding the HyperMetro static priority arbitration mode, the correct one is:
A. The static priority mode has higher reliability than the quorum server mode.
B. When an inter-array link failure occurs, or a non-priority site fails, the LUN on the priority site continues Services will continue to be provided, and LUNs at non-priority sites will cease to provide services.
C. When the priority site array is powered off for maintenance, the non-priority site array immediately takes over all active-active businesses The business will not be interrupted.
D. When the priority site array fails, the non-priority site will automatically take over the active-active service.
In the Huawei 0ceanstor 9000 software architecture, the distributed object storage layer is built on the basis of the distributed file storage layer.
A. True
B. False
Huawei's hyper-converged storage has multiple data security assurance mechanisms. The following statement is correct ()
A. Support a variety of EC (Erasure Code) with different ratios
B. According to the security level, 2 copies or 3 copies can be flexibly configured
C. Support storage dual-active and asynchronous replication capabilities, and provide cross-site data redundancy protection
D. PCle SSD Cache technology ensures that data will not be lost after power failure
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