The OceanStor 9000 allows the clients using different protocols to access the same directory or file simultaneously. For example, Windows clients (using the CIFS protocol), Linux clients (using the NFS protocol), and Mac OS X clients (using the CIFS protocol or NFS protocol).
A. True
B. False
In an OceanStor 9000, if the protection level is set to 4+2, three mirrors of metadata will be generated.
A. True
B. False
Administrators can use DeviceManager to quickly complete the initial configuration of an OceanStor 9000, including: (Choose all hat apply.)
A. Setting an external DNS server.
B. Changing the password of the super administrator.
C. Setting the time zone and NTP for the system.
D. Setting InfoEqualizer (client connection load balancing).
E. Setting alarm notification by email and SMS.
Users of object storage service (compatible with OpenStack APIs) are managed and authenticated by the Keystone server. Registering, creating, and deleting an account must also be performed on the Keystone server.
A. True
B. False
Which of the following statements about multipart upload of object storage service are connect? (Choose all that apply.)
A. The object storage service (compatible with Amazon S3 APIs) limits the size of a single uploaded object to 5 GB.
B. All uploaded parts are combined into one or more objects. The size of a combined object is not greater than 5 TB.
C. For a large object, or the object that needs to be uploaded for several times, you can use multipart upload to complete the upload.
D. After initiating a multipart upload task, you can cancel it.
Based on full interconnection of data channels and communication channels, a clustered NAS system employs cluster volume management to manage storage space globally. All nodes in the cluster can access the same storage space using the same volume device name, ensuring block device access consistency.
A. TRUE
B. FALSE
When the communication between MDC and OSD is interrupted or the OSD is faulty, the OSD exists the storage pool. Then the OSD out-of-service alarm is reported.
Which of the following are the possible cause of this fault? (Choose all that apply.)
A. A storage network exception occurs.
B. The disk in the server that houses the OSD is faulty.
C. The NVDIMM in the server that houses the OSD is faulty.
D. The OSD software is abnormal.
A client served by an OceanStor 9000 requires that if one channel fails, data can be transmitted over another channel without service interruption. To address this requirement, a necessary condition is that the client support SMB 3.0.
A. TRUE
B. FALSE
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 three)
A. The bond4 mode has unbalanced load issues in the "gatewayed" topology.
B. The bond6mode allocates and adjusts loads based on the workloads on the bond ports.
C. The bond6 mode supports fault tolerance whereas the bond4 mode does not.
D. The adaptive load balancing supported by the bond6 mode will definitely cause frequent switchovers among network adapters, increasing the system overhead.
Which of the following statements about the simple file system of the N8500 clustered NAS storage systems is incorrect?
A. Data of a simple file system is stored in sequence on the data disks where the file system resides.
B. A simple file system reads and writes multiple subdisks simultaneously, providing higher performance than reading and writing a single disk.
C. The volume of a simple file system is formed by the subdisks of multiple data disks.
D. The simple file system is applicable to scenarios having no special performance or security requirements.
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