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New feedback: Just passed H13-622-ENU HCNP-Storage-CCSS(Huawei Certified Network Professional-Constructing Cloud Storage Solution) on May.28.2018. number of test questions: 149 Q&As

1.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

Answer: A

2.When the communication between MDC and OSD is interrupted or the OSD is faulty, the OSD exits the storage pool. Then the OSD out-of-service alarm is reported.

Which of the following are the possible causes of this fault? (Multiple Choice)

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.

Answer: ABCD

3.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

Answer: A

4.A NAS storage system supports file system sharing, and the underlying protocol transmits data based on iSCSI.

A. TRUE

B. FALSE

Answer: B

5.Which of the following statements about multipart upload of object storage service are correct? (Multiple Choice)

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.

Answer: ACD

6.Users of object storage service (compatible with OpenStack Swift 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

Answer: B

7.Which data protection levels can be configured for an OceanStor 9000 that consists of 10 nodes? (Multiple Choice)

A. RAID 1

B. 6+3

C. 6+4

D. 6+5

Answer: BC

8.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

Answer: A

9.Which network file sharing protocols are supported by a NAS storage system? (Multiple Choice)

A. FAT32

B. NTFS

C. NFS

D. CIFS

Answer: CD

10.In an OceanStor 9000, if the protection level is set to 4+2, three mirrors of metadata will be generated.

A. TRUE

B. FALSE

Answer: B

11.In Huawei OceanStor 9000, a file pool is a collection of files that have specific characteristics. A file pool policy defines rules for storing a file pool in a node pool.

A. TRUE

B. FALSE

Answer: A

12.Administrators can use DeviceManager to quickly complete the initial configuration of an OceanStor 9000, including: (Multiple Choice)

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

Answer: ABCDE

13.Compared with traditional RAID algorithms, the erasure code redundancy technology used by Huawei OceanStor 9000 provides higher reliability and more flexible redundancy policies.

Which of the following statements about the erasure code N+M principle is false?

A. Data to be written is divided into N data blocks of the same size.

B. The erasure code algorithm calculates M parity blocks for every N consecutive data blocks. (The value of M is smaller than that of N.)

C. N+M data blocks are concurrently stored to different disks.

D. In erasure code storage mode, the storage system tolerates a concurrent failure of N disks at most.

Answer: D

14.In which scenario, Huawei OceanStor 9000 does not start load balancing?

A. Nodes are added.

B. Disks are added.

C. A disk goes offline three times within 10 minutes.

D. A disk is about to fail.

Answer: C

15.A customer purchases nine OceanStor 9000 storage nodes. During the deployment planning, the customer requires that data integrity be not affected if any three disks in a storage node are faulty, and the overall storage space utilization be not lower than 80%.

Which of the following is the most proper redundancy ratio?

A. 8+1

B. 6+3

C. 6+3: 1

D. 16 +3: 1

Answer: D

16.Which of the following statements about the cloud storage system are correct? (Multiple Choice)

A. Huawei cloud storage system can only provide storage services for Huawei cloud platform and the users on the platform.

B. Huawei cloud storage system can provide storage services for users on the VMware cloud platform.

C. The OceanStor 9000 storage system will become a part of the cloud storage system.

D. The OceanStor 9000 storage system surpasses the cloud storage system in scalability.

Answer: BC

17.Which authentication modes are not supported by the CIFS sharing function of Huawei OceanStor 9000? (Multiple Choice)

A. AD domain authentication

B. DAP domain authentication

C. Local authentication

D. Global authentication

E. NIS authentication

Answer: BE

18.An OceanStor 9000 must be equipped with a minimum of three nodes that can vary in types.

A. TRUE

B. FALSE

Answer: B

19.Which authentication modes are supported by the NFS service of Huawei OceanStor 9000? (Multiple Choice)

A. AD domain authentication

B. LDAP domain authentication

C. Local authentication

D. Global authentication

E. NIS authentication

Answer: BE

20.Which of the following statements about metadata on Huawei OceanStor 9000 is false?

A. Huawei OceanStor 9000 stores metadata in mirrors.

B. Metadata on each node is a complete and independent copy.

C. Mirror storage aims to improve metadata security.

D. Mirroring does not increase the metadata access rate.

Answer: D