Situation: Disk Domain A has 40 disks, Disk Domain B has 20 disks. True or False: the rebuild time for a failed disk in Disk Domain B is longer than for a failed disk in Disk Domain A.
Regarding the description of Huawei OceanStor storage system safe disk, which of the following is correct? (Multiple choice)
In an ICT infrastructure the servers can run different operating systems like Windows, Linux, AIX.
Select the correct statements about the structure and functions of the hard disk components. (Choose all that apply.)
A SAN always uses the same technology to connect to the infrastructure as a NAS.
Which of the following is the common physical size division of the surface of the hard disk?
(Multiple Choice)
The central backup question is: How much loss can be tolerated determines how much to invest in backup?
The Huawei OceanStor V3 SmartTier feature can be used to place data on specified disk types.
Statement 1: Disaster Recovery plans eliminate the need for backups on tape or disk.
Statement 2: With the design of the DR plan one should always assume the worst possible scenario.
Backup is concerned with data recoverability, and disaster recovery is concerned with business continuity.
In a traditional RAID group, when a certain number of hard drives fail, the entire RAID group can prevent data loss, and
The data recovery process has not been started. What is the status?
When a company's customers need to complete data migration between devices, what features can be used to complete? (Multiple choices)
A company belongs to the field of banking and finance, with a large amount of business data and high security requirements. What kind of RAID is suitable for this company?
level?
The data backed up by the differential backup is relative to the data added and modified after the last full backup.
An enterprise adopts cloud-level primary and backup data-level disaster tolerance. During business planning, two types of storage can be divided according to actual needs.
LUN: Protected LUN and unprotected LUN, create VMs that need disaster recovery on the protected LUN, and configure only the protected LUN
Set up array replication to save the storage space requirements of the disaster recovery center.
A zone in a FC switch determines which ports of the FC switch can be connected together.
The advantages and disadvantages of the disaster recovery technology of the host layer, network layer and array layer, the following statement is correct? (Multiple choice)
Storage controllers are only connected to disk enclosures within the SAN network.
The SCSI protocol can be used not only for communication between the host and the disk, but also for communication between the host and the physical tape library, optical disc, and so on.
In Huawei OceanStor V3 based on RAID2.0+, when a user creates a file system, the system will automatically create it first
Correspond to the LUN, and generate a file system on the LUN.
The components of a storage device are redundant, including controller modules, management modules, BBU modules, interface modules, power modules, and fan modules. Component redundancy ensures system reliability.
Connecting an OceanStor 5300 V3 to three disk enclosures requires.......... SAS cables.
Regarding OceanStor V3 LUN deletion, what is wrong in the following description?
What is the correct description of the NFS write mode in the Huawei OceanStor V3 storage system?
Regarding data-level, application-level and business-level disaster recovery, is the following statement correct?
Regarding the traditional model and cloud computing model, high reliability in the data center and cross-data center disaster recovery methods, the following says
What is wrong?
The SmartTier intelligent data grading feature requires three types of hard drives in the storage pool.
In Huawei RAID 2.0+, when the hot standby strategy of a storage tier is low, the following is about the hot standby reserved by the system for that tier
The capacity description of the space, what is wrong?
In a NAS environment entire files are sent across the ethernet based network. The NAS server however stores these files in the form as SCSI blocks mostly on multiple disks using RAID protection.
SAN network-based data replication technology is a storage area network between front-end application servers and back-end storage systems
Network (SAN), adding a layer of intelligent switches, the front end is connected to the server host, and the back end is connected to the storage device.
Which of the following file system is most suitable for the storage of Big Data?
Statement 1; NAS systems must be interconnected using fiber optic cables. Statement 2: A network protocol is the way in which an operating system accesses a file that is on a network connected device.
The data center is an infrastructure built for accessing and carrying server services. According to the business, the data center can be
Divided into: (multiple choices)
Regarding the advantages of DAS, the following description is correct: (multiple choice)
What is wrong with the following statement about disaster recovery drills? ,
In the FC protocol, which of the following layers is responsible for encoding and decoding?
A, FC-0
B, FC-1
C, FC-2
D, FC-3
Description 1: There is an interconnection line between the controllers of the storage system. If the controller is broken, it belongs to it.
The working controller of the managed LUN will be switched to a working controller.
Description 2: The working controller and home controller of a LUN must be unified into one controller.
Which of the following is a valid iSCSI name that can be used to set up the iSCSI connection between the initiator and target? (Multiple Choice)
Why storage systems has more than one storage controllers in the Dual Storage Controller Architecture?
The OceanStor 6800 V3 frame itself can be configured with four controllers or only two controllers. If configured as dual control
The power supply and BBU are fully configured, and the interface cards and controllers are all arranged in the upper row.
There are two descriptions about backups, the correct ones are:
Description 1: The disaster recovery solution does not need to consider whether it is backed up on tape or hard disk.
Description 2: The backup plan should consider the worst case.
The QoS of the file system supports IO priority configuration and policy configuration.
Which of the following statements about the coffer disks of the HUAWEI V3 series storage systems are correct?
(Multiple Choice)
86. When using the NFS protocol, adding clients and setting read and write permissions have an impact on performance.
Snapshots used for backup purposes should be set to read-only to prevent modification by other applications and affect the backup data
consistency.
Which device allows segregation of collision domains but not broadcasting domains?
Lifecycle Management Of Information and Data consists of 5 different stages. Which of the following is the second stage?
The following description of DAS is incorrect:
A, DAS is directly connected to the designated storage device on the server using them
B, DAS is divided into internal DAS and external DAS
C. The hard disk inside the server is not DAS
D. External DAS can be connected to the server accessing them through FC protocol or SCSI protocol
Distributed object storage has a unified namespace, and supports online expansion.
A government unit adopts Huawei’s two-site, three-center solution for disaster recovery construction, and its business is mainly concentrated from 8:00 to 18:00.
What is wrong with the following approach?
Statement 1: If possible it is always advised to make only Full Backups
Statement 2: LAN free backups typically run slower than LAN based backups.
Which of the following is the end that receives and processes the SCSI commands?
Bank's bill imaging system often stores structured data on a SAN array, and unstructured data
On the NAS array.
Which of the following are attached to the storage system serially? (Multiple Choice)
Match the RAID level with the characteristics. (1) RAID 0 (2) RAID 5 (3) RAID 10 (4) RAID 6 (a) Cost effective (b) Allows double disk failure (c) Highest performance (d) No data protection