Which module is not in the disk enclosure of a storage device?
- A . Fan module
- B . Power module
- C . Expansion module
- D . BBU module
In the LAN-Base networking, both the service flow and the data flow take the LAN network, and occupy a large bandwidth.
- A . TRUE
- B . FALSE
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.
- A . Statements 1 and 2 are both true.
- B . Statement 1 is true and statement 2 is false.
- C . Statement 1 is false and statement 2 is true.
- D . Both statements 1 and 2 are false.
The cloudification of IT architecture is from "separation" to "convergence" .
What does convergence mean?
- A . Convergence of IT infrastructure
- B . Application and server integration
- C . Integration of hardware and software
- D . Multi-application sharing and open "cloud computer"
The following describes RAID 10, which are correct? (Multiple choice)
- A . RAID 10 is used in scenarios with high requirements for speed and fault tolerance
- B . RAID 10 requires at least 4 member disks
- C . In RAID 10, if two member disks in a subgroup fail, the data is read normally
- D . In RAID 10, the data is first mirrored and then striped
Huawei V3 series storage system hardware includes controller enclosures and disk enclosures .
Which of the following statements about controller enclosures is correct?
- A . When the external power supply fails, BBU modules provide backup power for all disks.
- B . When the external power supply fails, BBUs can supply power to enable data synchronization from the cache to disks in disk enclosures.
- C . If BBUs become faulty, the service system will be interrupted.
- D . When the power input is normal, BBUs are in the standby state.
A device can have one WWPN but multiple WWNN’s.
- A . TRUE
- B . FALSE
What is the description of file-level HyperSnap feature data recovery in Huawei OceanStor V3 storage system, which
Are these correct? (Multiple choice)
- A . can restore a single file
- B . can restore the original file with logical errors
- C . can restore the original file accidentally deleted
- D . can restore the file on the file system with physical failure
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.
- A . TRUE
- B . FALSE
LAN Free and Server Free are backup networking methods that have little impact on host performance.
- A . TRUE
- B . FALSE
A
Explanation: Analysis: Both LAN Free and Server Free backup are based on SAN.
LAN Free backup, advantages: low server load, optimized data transmission efficiency;
disadvantages: SAN layout fee
High cost, equipment must be compatible with SAN
Server Free backup, advantages: lowest server load, greatly optimized data transmission
efficiency; disadvantages: SAN distribution
The cost of installation is high, and the device must be compatible with the SAN, which requires third-party device support.
The maintenance network port is used, by the DeviceManager, for daily management.
- A . TRUE
- B . FALSE
What are the challenges facing traditional data centers? (Multiple choice)
- A . Traditional data centers only monitor but not manage
- B . Capacity expansion of traditional data centers in units of nodes
- C . Traditional data center has low cooling efficiency
- D . Traditional data center maintenance costs are high
In the Huawei OceanStor V3 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:
- A . 512KB
- B . 4MB
- C . 32MB
- D . 64MB
It is an electronic device controlled by a motor that moves the hard drive head arm .
Which of the following component fits the above description?
- A . Actuator.
- B . Spindle,
- C . Platter.
- D . Motor.
Which of the following operating systems can access CIFS shares without installing additional software?
- A . Win7
- B . Solaris
- C . FreeBSD
- D . AIX
When the RTO requirement is within 10 minutes, the traditional tape backup method is not recommended.
- A . TRUE
- B . FALSE
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?
- A . Electrical Failure.
- B . Bad Platter Area.
- C . Bad Sector.
- D . Head Crash.
In which stage of the lifecycle management of information and data, does the data management operation such as copying and backup occurs?
- A . Generation.
- B . Transmission.
- C . Maintenance.
- D . Usage.
Which of the following are deployment modes of cloud computing? (Multiple Choice)
- A . Public cloud
- B . Private cloud
- C . Hybrid cloud
- D . E-Government cloud
About HUAWEI OceanStor V3, the following 2 statements:
Statement 1: With the SmartTier feature the SSD disks are in the Performance Tier.
Statement 2: No more than 3 tiers can exist in the OceanStor V3 storage arrays.
- A . Statement 1 and 2 are true.
- B . Statement 1 is true; Statement 2 is false.
- C . Statement 1 is false; Statement 2 is true.
- D . Statement 1 and 2 are false.
The difference between DAS and SAN, which of the following descriptions is wrong?
- A . SAN redundant networking provides higher reliability
B, DAS and SAN are all external storage, so storage resource sharing can be easily achieved
C, DAS is suitable for small and medium-sized LAN environment with only a few servers - B . SAN is suitable for high-end storage application environments, such as key databases, centralized storage, large-scale storage, backup and Disaster recovery and other scenarios
In Huawei OceanStor storage devices, coffer disks are an optional configuration because
the write cache has mirrors, and There is a backup power supply for the controller.
- A . TRUE
- B . FALSE
B
Explanation:
Analysis: Each controller has one or more hard drives built in as data safes.
Regarding OceanStor V3 LUN deletion, what is wrong in the following description?
- A . The deduplication function is used together with SmartCache to accelerate performance
- B . The taken-over heterogeneous array LUN supports block-level deduplication
- C . Deduplication and remote replication cannot coexist on the same LUN
- D . When the LUN is created, the deduplicated LUN is selected and cannot be restored to the state without deduplication.
B
Explanation:
Resolution: On the premise of enabling SmartCache in the file system, delete the SmartCache accelerated fingerprint using the file system
To improve the system deduplication processing performance.
What applies to unstructured data? (Multiple Choice)
- A . After being written, the data is not often modified.
- B . Uncertain value.
- C . Large capacity, rapid growth.
- D . Long-term storage required.
Which of the following statements about switched fabric topology in Fibre Channel SANs is NOT true?
- A . It is the most widely used topology that supports a maximum of 127 devices.
- B . Multiple pairs of nodes connecting to switches can communicate simultaneously.
- C . The fault of one node in a zone does not affect services on nodes in other zones.
- D . The switches leverage zoning to manage network structure and provide the best interconnection form.
A bank will launch a business system, which has very high performance and security requirements, and the database uses Oracle data Database and plan to deploy the Oracle database to a storage system, then create a RAID group for the Oracle database
At this time, the optimal RAID strategy should be:
- A . RAID 1
- B . RAID 5
- C . RAID 6
- D . RAID 10
SCSI communication is initiated by the initiator and received and processed by the target. When the host and the storage device communicate, the storage device
The side assumes the role of initiator.
- A . TRUE
- B . FALSE
An enterprise needs to purchase backup media for data backup. To inherit the enterprise’s original tape backup architecture and strategy, it is necessary to mention High backup speed .
What kind of backup media did this enterprise purchase?
- A . Disk array
- B . Virtual tape library
- C . tape library
- D . CD Tower
A company that primarily has static data (like map data or JPG files) does not profit much from the HUAWEI OceanStor V3 SmartTier functionality.
- A . TRUE
- B . FALSE
It provides connection between sets of nodes and allows the connected devices(nodes) to communicate with each other but it is not a device .
Which of the following fits the above description?
- A . Host.
- B . Network.
- C . Storage Array.
- D . Switch.