What is required to add additional controllers to an existing HUAWEI OceanStor system?
A single-platter or multi-platter disk allows only one head to read and write data at a time.
What three stages do storage systems need to go through to realize SmartTier? (Multiple choice)
Which statements are true about a dual-controller storage system? (Select All that Apply)
Create a Thin LUN on HUAWEI OceanStor with a capacity of 100G and an initial allocated capacity of 10G, then
After mapping this LUN to the Windows 2012 host, the corresponding disk scanned on the host, the disk shows
The capacity should be 10G.
In the scenario where only 2 disks are in the RAID group, which one of the following uses data striping?
When the RPO time requirement is at the minute level, the traditional tape backup method can be used.
In Huawei storage systems, which feature can be used to periodically detect and migrate hot data from the capacity tier to the high-performance tier?
Which ports in the FC switch can communicate with each other is determined by the zone.
Which of the following describes the file access protocol correctly? (Multiple choice)
Regarding the advantages of DAS, the following description is correct: (multiple choice)
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?
A company uses the CIFS protocol for file sharing, and uses the Homedir sharing method according to the security policy.
All users access the folder and write space.
After the multi-path software is installed on the host, which of the following descriptions are correct? (Multiple choice)
A, LUN is automatically mapped to the host
B. Assist the operating system to access the same LUN through multiple links to avoid logical errors
C. Improve link reliability and prevent single link failure, thereby avoiding system failure
D. Establish a SCSI connection between the host and the storage device
LAN Free and Server Free are backup networking methods that have little impact on host performance.
The port selected by the IP drift strategy has nothing to do with the port rate, only related to the location of the port, the order of selecting the port
Yes?
1. Port at the same position of the remote controller
2. Ports at other locations of the peer controller
3. The port of the local controller
In a RAID5 composed of three disks, if 10110110 and 11010011 are written simultaneously,
Two data disks with the same stripe, then 01100101 will be written to the verification disk.
Regarding data-level, application-level and business-level disaster recovery, is the following statement correct?
The following are the advantages of SSD hard drives compared with mechanical hard drives. The description is correct: (multiple choices)
What conditions should be considered for device backup bandwidth? (Multiple choice)
A, the size of the initial data
B. The daily quantity increment
C. Backup cycle
D. Backup staff
What are the following types of disaster recovery at the host layer? (Multiple choice)
When deploying random small IO-based database services on storage, which RAID type should be appropriate? for
what?
Description 1: A RAID consisting of several hard disks is called a physical volume.
Description 2: RAID 5 can improve the read and write rate and provide a certain degree of data security, but when there is a single hard disk failure
At this time, read and write performance will be greatly reduced.
Description 1: The file system of the SAN storage is deployed on the storage side, and the file system of the NAS storage is on the host side.
Description 2: Dynamic tiered storage can achieve data migration between storage media with different performance
A reliable ICT infrastructure, to avoid a single point of equipment failure, or even a single point of personnel problems.
Regarding OceanStor V3 LUN deletion, what is wrong in the following description?
Which of the following is the correct configuration process for HUAWEI OceanStor storage system?
The dual switch network design is widely used in the FC SAN environment. The following description of the dual switch network redundancy design,
Which ones are correct? (Multiple choice)
As the new storage administrator, you are tasked with the procurement of a new batch of SSD drives to replace the older drives that has reached the end of life. You have the option of SLC, MLC and TLC SSD. Which of the following will be your choice with a limited budget and medium level of reliability concerns? (Select All that Apply)
The following are the characteristics of the clustered NAS storage architecture: (multiple choice)
Regarding HUAWEI OceanStor storage dynamic tiered storage technology, which of the following descriptions is incorrect?
In RAID 2.0+, the administrator needs to manually set which hard drives are designated as hot spares.
What are the following descriptions of the three iSCSI connection methods?
Bank's bill imaging system often stores structured data on a SAN array, and unstructured data
On the NAS array.
Which of the following operations does a small employee A of a bank need to do in the first maintenance project of data center storage?
The amount of data in an incremental backup is larger than that in a differential backup.
OceanStor 5300 V3 is a dual-controller converged storage product, which must ensure the working controller and attribution control of the LUN
The controller is consistent.
With the advent of the era of big data, the corresponding storage technology is also undergoing changes.
Is the following statement correct? (Multiple choice)
What are the challenges facing traditional data centers? (Multiple choice)
What value does thin provisioning technology bring to customers? (Multiple choice)
What are the common time indicators for measuring the reliability of a system? (Multiple choice)
A, reliability
B. Effective
C. Average failure time
D. Mean time between failures
What are the three data centers in the disaster recovery plan that 3DC refers to? (Multiple choices)
Description 1: The data recovery of the snapshot depends on the source data. If the source data is physically damaged, it cannot be recovered. and
In this case, the clone can still restore the source data.
Description 2: After the source data is damaged, the LUN copy must completely copy the backup data to restore the source data. And clone only
Damaged data needs to be recovered, which greatly reduces the recovery time.
A, description 1 is correct, description 2 is correct
B. Description 1 is right, description 2 is wrong
C, description 1 is wrong, description 2 is right
D. Description 1 is wrong, description 2 is wrong
You are tasked to setup a SAN storage system that has the following requirements: (1) To minimize the workload on server resources. (2) Optimize the capabilities on storage system for deduplication. Select the following options that fits the scenario above.
(Multiple Choice)
Which of the following operations is a daily maintenance item in data center storage?
In order to make full use of storage resources, on which tier are SSDs usually configured in a tiered storage system?
When using LAN-based backups it is best to create a dedicated backup network.
Statement 1: Multipathing is caused by adding redundant hardware.
Statement 2: Huawei offers a different version of Ultra Path for different operating systems.
Statement 1: FCoE is preferred over iSCSI because it uses fiber optic cables that can be much longer than Ethernet cables.
Statement 2: FCoE is preferred over iSCSI because we do not need any Ethernet switches anymore.
In HUAWEI OceanStor, for synchronous replication to be successful, all host applications must be pauzed during the replication update process.
Which of the following statements about switched fabric topology in Fibre Channel SANs is NOT true?
The central backup question is: How much loss can be tolerated determines how much to invest in backup?
When the RPO is minutes instead of hours the best backup method is traditional Tape backup.
Statement 1: OceanStor Dorado systems are designed for high performance environments. Statement 2: OceanStor Dorado systems are so-called All Flash Arrays.
A user is having intermittent problems connecting to their shared network storage, A network technician is able to determine that there is a problem within the network cabling in between the workstation and the switch. All other users are able to connect successfully to the network. Which of the following is the MOST likely cause?
Statement 1: Fiber optic cables must be bended with a minimum radius of 10 centimeters. Statement 2: Bends and dirt causes the light signal to be weaker and the sensor cannot detect the light pulse then.
The HyperSnap functionality can be used to improve or optimize a company's backup strategy.
Which of the following licenses requires at least two OceanStor systems that are connected over a WAN/LAN?