HCIA-Storage V4.5 Questions and Answers
Which of the following is NOT the characteristics of the active-active mode of a storage controller?
Given this scenario. A company wants replication of data between two data centers that are 2000 km apart. Which replication method is most recommended?
What is best described as: the time it takes for the desired data to be beneath the read head when the head is on the correct track?
It is a hard-disk failure that occurs when a read-write head of a hard disk drive comes in contact with its rotating platter, resulting in permanent and usually irreparable damage to the magnetic media on the platter surface. Which of the following fits the above description?
Select the features that are commonly available in High End storage systems.
(Multiple Choice)
Storage controllers can be separated from the chassis of disk enclosures. It does not need to be integrated in design with the disk enclosures.
Which of the following is NOT a component in an IP SAN?
Which of the following statements are true for a NAS solution?
(Multiple Choice)
Which of the following is the end that receives and processes the SCSI commands?
What statement is true?
In a clustered NAS architecture, which of the following allows multiple file system to be consolidated and does not need to be managed separately?
For all operating systems there is a specific version of Huawei UltraPath multipathing software.
Dual-switch networking is widely applied in Fibre Channel SANs. Which of the following are its characteristics? (Multiple Choice)
In the HUAWEI OceanStor storage system, a customer plans to deploy a business system, the database uses
Oracle data, the average data block size is 16KB, when using SmartTier features, the following data migration granularity, the most
The advantages are:
Statement 1: Virtual Tape libraries allow for a highly scaleable backup strategy as storage can be added later.
Statement 2: Virtual Tape Libraries should be used when remote datacenters are NOT available.
Statement 1: An ICT infrastructure should be built with high end equipment and be located in one site.
Statement 2: A server is a rackmounted enterprise version of a desktop computer and typically has more than one hard disk installed.
Statement 1: For RAID 2.0+ to work optimally multiple disk domains must be created. Statement 2: A disk domain with 100 disks in it has better RAID 2.0+ protection and performance characteristics than a disk domain with 50 disks.
In an ICT infrastructure the servers can run different operating systems like Windows, Linux, AIX.
A backup set is a group of data that is backed up in a batch. A backup set can be used for either full backup or incremental backup.
Which of the following statements about RAID technology are correct?
(Multiple Choice)
A single-platter or multi-platter disk allows only one head to read and write data at a time.
When CLI is used to configure Huawei hybrid flash storage, which operation is NOT involved in creating storage space?
All components of storage devices use the redundancy design to ensure system reliability. Redundant modules include controller modules, management modules, BBU modules, interface modules, power modules, and fan modules
Huawei OceanStor hybrid flash storage is used as an example. Which statements are true about IP address failover? (Select All that Apply)
Fibre Channel is a dedicated protocol used in enterprise-level SAN networks for communication between hosts and storage devices or between storage devices. It features high transmission efficiency, long transmission distance, and high security and reliability.
A company purchases storage devices for new services. The new services do not require high access speed of storage devices. In this scenario, the IP SAN can be used for networking deployment.
Incremental backups must rely on the last full backup and the last incremental backup to perform data recovery
Complete recovery, data reconstruction during recovery is slower than full backup, and recovery window is larger.
What is the correct sequence of the overall reconstruction process?
1. Query all CKGs with CK falling on the faulty disk
2. Assign hot spare CK to all these CKGs
3. Update CKG information and release the reconstructed CK
4. Write the reconstructed data to the hot standby CK
5. Through the RAID algorithm, calculate the data on the failed disk based on the data on the normal disk and the check disk
A snapshot is a point-in-time copy of the source data that serves as a data backup accessible to hosts.
For the data stored on the medium, there is no need to physically crush or sell it as the data recorded on the paper
Ruined situation.
Which of the following operating systems can access CIFS shares without installing additional software?
The RTO in the disaster recovery system measurement index refers to the point in time when the system and data must be recovered after the disaster begging.
Which statement about SCSI is false?
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
What is the function of hot spare in storage?
During data center construction, a media company purchased storage devices from multiple vendors. The CTO wants to centrally manage these devices through storage virtualization. Which function is NOT provided by storage virtualization?
An engineer maps the storage system to the file server to store various enterprise files. One day, the file system is attacked by viruses and files cannot be opened. To access the files, the engineer performs a snapshot rollback. Which statement is FALSE?
Which statements are true about distributed storage? (Select All that Apply)
Which of the following describes the file access protocol correctly? (Multiple choice)
Which of the following cannot be configured with a quota?
What are the following types of disaster recovery at the host layer? (Multiple choice)
What kind of technology does the OceanStor 5300 V3 expansion controller belong to?
Is the following correct understanding of data and information?
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.
Which of the following is the correct configuration process for HUAWEI OceanStor storage system?
What are the characteristics of big data? (Multiple choice)
The following description of common storage protocols is correct?
FCoE is a transmission protocol standard that encapsulates frames in FC in lossless Ethernet and is used to form storage networks
Network.
A host connected to a switch port cannot belong to multiple zones, but can only be divided into a zone
in.
If the disaster recovery center in the same city fails, the production center in cascading networking mode will lose all its backup sites.
From the perspective of the cloud computing business model, Huawei network disks belong to PaaS.
When the Windows copy program copies local files to the file system, the file system block size of the HUAWEI OceanStor storage system is the default, which ensures the full use of storage space.
A, right B, wrong answer: B
The SmartCache feature in HUAWEI OceanStor series products can only improve read performance, not write performance.
An e-commerce website usually has a relatively stable business volume, so I purchased the server and built a private cloud operation
During the Double Eleven promotion, the business volume is very large, so we rent the server from the operator's public cloud to share the festival's burden
Netherlands, this cloud computing deployment model belongs to?
Description 1: When Windows mounts a CIFS share with the same IP address (domain name or machine name), the same user can
You can mount one or more shares at the same time, but you cannot use different users to mount the same or different shares.
Description 2: Windows cannot share multiple Homedir shares with the same IP address (domain name or machine name)
The user mounts multiple shares.
The SmartTier intelligent data grading feature requires three types of hard drives in the storage pool.
OceanStor V3 series storage can only support iSCSI or FC host links separately, not both
Connect to the network.
LAN Free and Server Free are backup networking methods that have little impact on host performance.
What is the correct description of RAID 5 as follows? (Multiple choice)
Extent of RAID2.0+ technology is the basic unit of which technology in the storage pool? (Multiple choice)
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 four disaster recovery modes of HyperMetro, Hot Standby, Warm Standby, and Cold Standby, is the following statement wrong?
The initial capacity allocation strategy of HUAWEI OceanStor storage system defaults to automatic allocation.
The number of erasable times of the storage medium cell of the SSD disk is limited. Multiple erasing causes the wear of the SSD, which also makes the SSD
Has a limited period of use, which is related to the number of specific erasures.
A, yes
B, wrong
Snapshots used for backup purposes should be set to read-only to prevent modification by other applications and affect the backup data
consistency.
A company is mainly used for file system sharing in Linux, UNIX, Mac OS and VMware operating system environments.
Which of the following file access protocols is suitable for this company?
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
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
In the Huawei storage system, which of the following is true about the characteristics of virtual snapshot LUNs?
Can the following transmission protocols not use switches?
Which of the following three disaster recovery technologies are commonly used? (Multiple choice)
Huawei focuses on IT infrastructure in the ICT field.
In RAID 2.0+, the administrator needs to manually set which hard drives are designated as hot spares.
Description 1: The CIFS share provided by a company's storage system is a public directory and can be accessed by users with permissions.
Description 2: A company's storage system sets Homedir sharing so that different users can only access the same user name
Private directory.
According to the physical location of the NAS engine and storage device, the NAS is divided into: (multiple choices)
The QoS of the file system supports IO priority configuration and policy configuration.
The following description of NAS is correct:
Description 1: NAS is always based on file sharing.
Description 2: The distance of the network connection affects the performance of the NAS.
A, Description 1 and Description 2 are correct.
B. Description 1 is correct, description 2 is incorrect
C. Description 1 is wrong, description 2 is correct
D, description 1 and description 2 are wrong
Regarding the advantages of DAS, the following description is correct: (multiple choice)
The FCoE protocol refers to encapsulating the FC protocol into a TCP/IP protocol package and transmitting it on Ethernet.
Regarding the description of Huawei OceanStor storage system safe disk, which of the following is correct? (Multiple choice)
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?
