What level of RPO and RTO can synchronous remote replication meet?
A. RPO>0 RTO>0
B. RPO=0 RTO0
C. RPO0 RTO=0
D. RPO=0 RTO=0
Single-choice SmartDedupeand SmartCompression technology in Huawei Oceanstor all-flash storage.
When writing data, calculate the similar fingerprint (SFP) and weak hash fingerprint (FP) at the same time, if the fingerprint already exists in the local fingerprint table, then perform online deduplication; if it is new data, perform compression and save similar fingerprints, and then perform background deduplication.
A. True
B. False
Multiple single-selection A multinational company has a huge business, with customer business data scattered in multiple locations, and the distance between locations is greater than 1000 km. Should Enterprises hope to centrally manage the backup data of each site so that users can analyze and analyze all data without affecting normal business.
Mining: If any business site suffers a disaster, the enterprise can take over the business and perform data recovery. In this case, the company should choose which disaster recovery backup plan ()
A. Central disaster recovery and backup plan, synchronous remote replication is selected between the business site and the central site
B. Two-site three-center solution, asynchronous remote replication is selected between each site
C. Two-site three-center solution, synchronous remote replication is selected between each site
D. Central disaster recovery and backup plan, asynchronous remote replication is selected between the business site and the central site
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. Formula, CPU used, number of node connections
A company purchased a set of Huawei horizontally extended file storage to build a file sharing system. Current ministries The clients of the door use different IP subnets, and the storage administrator configures the front-end service IP addresses of all nodes to belong to the same subnet storage.
Which steps are correct for the administrator to configure the subnet ()
A. Set the DNS service IP address for the subnet
B. Specify the static front-end service IP addresses of all nodes in this subnet
C. One or more partitions can be defined as a subnet
D. Specify the dynamic IP address pool used by the subnet
Huawei Oceanstor 9000 realizes the storage of unstructured data through WushanSQL, and completes it through Fusion Insight Into data analysis.
A. True
B. False
Single choice In Huawei Oceanstor 9000, which of the following is not a method of rectification supported by NFS sharing?
A. NIS authentication
B. LDAP authentication
C. Client IP address
D. Local user authentication
Multi-choice Hua is what node types does Oceanstor 9000 (V100R001C30) support?
A. PI2
B. P25
C. P36
D. c36
E. cn2
Which operating systems does eReplication support? (multiple choice)
A. Windows
B. Linux
C. AIX
D. D HP-Ux
E. Solaris
Which of the following is correct in IDC's description of the characteristics of big data?
A. Volume
B. Variety-Diversity
C. Value-value density
D. Velocity-speed