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WorksheetsHCIP Storage - Mock
Total questions: 70
Worksheet time: 38mins
The Forecast Analysis will show a graph announcing when the systems run out of disk capacity
True
False
OceanStor V3 series storage systems support COW file systems. When new data is written or data is changed, the original data will not be overwritten but the new data and data change id written into new allocated disk space. ROW file systems feature solid reliability and flexible scalability and become mainstream file systems such as ZFS, Btrfs, and nilfs.
True
False
After replacing a disk module we check that the Alarm indicator is off, this guarantees that the module is placed correctly and functional.
True
False
For OceanStor V3 HyperMirror: Mirror copy and Mirror LUN are two terms for the same concept.
True
False
OceanStor CloudService is a professional remote maintenance system that monitors customer's device alarms around the clock.
True
False
When creating disk domains select the option 'All available disks' and then manually select disks.
True
False
If a switch administrator does not want to use port zoning, it is preferred that he uses WWN zoning instead of alias zoning
True
False
HyperClone supports writing to both the primary and secondary LUN.
True
False
Clone is a snapshot technology and a backup method that can be used for incremental synchronization and a clone copy is a full copy of data at a specific point in time.
True
False
In Huawei synchronous remote replication, the primary and secondary LUNs can reside in the same storage array.
True
False
In the HyperMetro active-active solution, it is recommended that UltraPath be installed on the host.
True
False
SmartMigration can relocate all services from the source LUN to the target LUN only when services on the host are stopped.
True
False
Every OceanStor V3 model is fitted with at least 6 coffer disks.
True
False
In RAID2.0+, chunks in one chunk group can come from SSD and SAS disks.
True
False
You can log in to the CLI of the OceanStor V3 storage through IPv4 or IPv6.
True
False
Multipathing technology is introduced to address single points of failure (SPOF) on storage networks.
True
False
When an OceanStor is powered by the BBU's it means that only the controller is powered.
True
False
SmartDedupe of the OceanStor 5300 V3 is supported only by the thin file system.
True
False
SmartMigration uses LUNs mapped from heterogeneous storage arrays (the local storage array as logical disks (LDs)) that can provide storage space for the local storage array and create eDevLUNs that can be mapped to the host on LDs.
True
False
In a NetBackup-based N8500 file system backup network, all the nodes of the N8500 must be connected to both the NetBackup master server and media servers.
True
False
Is the Active-Active DR Solution feasible for the scenario where the bandwidth for the quorum server to the primary and secondary storage systems is 4 Mbit/s, RTT is not greater than 40 ms, and the packet loss rate is not greater than 1%?
No. The bandwidth cannot be smaller than 10 Mbit/s.
Yes. All conditions required for the solution are met.
No. The packet loss rate cannot be greater than 0.1%.
No. The RTT cannot be longer than 20 ms.
The process for designing a backup solution is divided into multiple phases. Which is correct sequence?
Requirement analysis and information collection > Backup and archive policy design > Bandwidth and network design
Capacity and storage policy design > Backup and archive policy design > Backup system migration design
Backup system migration design > Capacity and storage policy design > Bandwidth and network design
Capacity and storage policy design > Backup and archive policy design > Design of other features
Which of the following statements about the backup domain of the OceanStor Backup Solution are incorrect?
One or more MediaAgent components can be installed in a backup domain.
One or more iDataAgent components can be in a backup domain.
One or more CommServe management nodes can be installed in a backup domain.
One or more can be installed in a backup domain.
In the HyperMetro active-active data center solution, if a member LUN has bad blocks, which of the following statements is false?
Before repairing bad blocks, the read permission must be obtained and the local read permission for active-active pairs must be confirmed.
If irreparable bad blocks are read from a local LUN, a read error message is returned to the host.
If repairable bad blocks are read from a local LUN, data is returned to the host, ensuring fast host response.
If irreparable bad blocks are read from a local LUN, the system uses data stored on the remote LUN to repair these bad blocks.
Which of the following customer benefits is not provided by the snapshot-based backup function of Huawei storage systems?
Shortens the backup window.
Reduces the amount of backup data to be transmitted and stored.
Does not affect applications.
Reduces the costs.
In the Huawei Active-Active DR Solution, in which scenario must optical fibers be used for connection?
The distance between two data centers is shorter than 25 km, and the required number of optical fibers is smaller than 4 pairs.
The distance between two data centers is longer than 25 km, and the required number of optical fibers is greater than 4 pairs.
The distance between two data centers is longer than 25 km, and the required number of optical fibers is smaller than 4 pairs.
The distance between two data centers is shorter than 25 km, and the required number of optical fibers is greater than 4 pairs.
The scripts built in the Huawei OceanStor BCManager provide one-click fault recovery for VMware Server.
Testing whether applications are successfully started
Forcibly switching the replication relationship
Starting disaster recovery
Mapping LUNS
Recovering product services
Which backup mode is not supported by VADP?
SAN
NAS
NBD
Hot-Add
Which of the following statements about backup type selection is false?
If a schedule includes cumulative incremental backup but does not include full backup, all files are backed up in the first cumulative incremental backup.
It is recommended that full backup, differential incremental backup, and cumulative incremental backup be used together to address backup needs.
A backup policy uses a combination of full backup and differential incremental backup. If the system fails and the administrator wants to restore the latest data, data that is backed up through the latest full backup and all the differential incremental backups since the latest full backup is needed.
Differential incremental backup saves storage space to the maximum and has a minimal backup window.
Which of the following distance conditions meets the requirements of the Huawei Remote DR Solution?
≤ 20 km
≤ 40 km
≤ 60 km
> 100 km
Is the Active-Passive DR Solution feasible for the scenario where the existing OceanStor S2200T V2 and third-party storage system are deployed in the two data centers separately?
No. An Active-Passive DR Solution requires at least one set of OceanStor S2200T V2 or higher-level storage.
No. An Active-Passive DR Solution requires at least one set of OceanStor 2600 V3 or higher-level storage.
No. An Active-Passive DR Solution requires at least one set of OceanStor 5300 V3 or higher-level storage.
Yes. All conditions required for the solution are met.
Which of the following statements about Huawei OceanStor Backup Solution is false?
Compared with disaster recovery, backup provides a finer restoration granularity, such as taking files as the restoration level and offering multiple backup points in time.
If source data and backup data have the same format, a host can directly read and write the backup data.
Backup software can back up data to tapes for offline archiving.
Suppose that the initial amount of backup data of an application is 500 GB, one full backup job and six incremental backup jobs are performed weekly, the retention period of all backup data is four weeks, and the redundancy percentage is 20%. In this scenario, how large back-end storage should be ready for the four-week data?
3320 GB
3504 GB
4380 GB
5256 GB
Data replication technologies used for disaster recovery cannot be implemented on which layer?
Host layer
Storage layer
Network layer
Driver layer
A remote replication consistency group is in normal state. Before initiating a primary/secondary switchover for that consistency group, which operation must be performed?
Disable write protection at the secondary site.
Change the restoration policy to manual.
Split pairs
No operation is required
Which of the following statements about the working principles of data deduplication is false?
The granularity of hash comparison is data block.
Bad blocks that have been stored will not be stored again, and no other processing is required either, such as adding indexes
The same data block will be physically stored only once.
A complete data logical view can be seen through indexes.
What are the application maintenance principles of OceanStor backup solution?
Ensure that the database archive mode is enabled
Ensure that users’ system space is sufficient
Ensure that users’ application environment information is correctly typed
Ensure that users’ applications meet interoperability matrix requirements
Prevent DNS or Hosts file inconsistency
Which of the following is not covered by the backup policy management?
Backup time
Backup network
Backup content
Backup objective
In the Huawei Active-Active DR Solution, an application’s peak write bandwidth is 10 MB/s, average write bandwidth is 200 KB/s, average write I/O size is 4 KB, and the bandwidth usage is 70%. In this scenario, how large bandwidth is required for deploying asynchronous remote replication for the application?
10MB/s
200KB/s
2.23 MB/s
11.43 MB/s
Which of the following statements about client deduplication is false?
At the source end, hash comparison and deduplication are implemented for the data blocks to be transmitted to the end.
Compared with media deduplication, client deduplication can save the transmission bandwidth?
Resources at the source end are consumed to implement deduplication.
Only new data blocks need to be transmitted to the target end. Information related to old data blocks does not need to be transmitted.
Which is not necessary component of the NAS system architecture?
Accessible storage array
File system
Service interface for accessing a file system
Fiber channel switch
Assuming a setup with 1 host (A), 1 controller (B), 1 switch (C), and 1 disk enclosure (D), the correct order of powering on in a new installation is:
A. A-B-C-D
B. D-C-B-A
C. C-A-C-B-D
D. D-B-C-A
A colleague suggests using smartmigration to distribute data from one source to multiple targets simultaneously. This is:
Not possible with SmartMigration
Possible solution, but not a good solution
A possible and good solution
Only possible if all targets are on the same storage device
The OceanStor Toolkit provides tools for?
Batch upgrades
Hardware replacements
Real-time inspections
Batch deployment
All answer apply
What is the default port for Device Manager?
8008
8080
8088
8888
Which function are not provided by OceanStor Toolkit?
Automatic fault repair
Deploy
Maintain
Upgrade
If the quorum server mode is used in hypermetro, where is the quorum server placed?
Primary site
Disaster recovery site
Third-party site
Primary site, disaster recovery site, and third-party site (place one at each site).
Before a customer purchases Huawei Storage devices for video surveillance, backup, and archiving. What factors do they need to consider?
IOPS
Bandwidth
Latency
CPU usage
Which of the following are characteristics of an ideal backup and disaster recovery system?
Large RTO, small RPO
Large RTO, Large RPO
Small RTO, small RPO
Small RTO, large RPO
What does the term RTO mean?
Return time objective
Replication time objective
Recovery time objective
None of the answers
Huawei OceanStor 9000 during system maintenance recommended routine inspection system administrator account, check the contents include?
routine login, operation log of all kinds account for inspection and audit.
routine inspection of various types of account permissions are reasonable.
routine checks whether the temporary account has been deleted.
In the visit Huawei OceanStor 9000 cluster Windows clients, which can be adjusted to improve aspects of the client's access performance?
TCP parameter adjustment
dirty_bytes parameter adjustment
CIFS read size settings
support jumbo frames
When HyperMetro of the block service is used in Huawei distributed storage systems, which of the following technologies are used to implement cross-site data reliability?
Cross-site data mirroring
Data consistency assurance
Cross-site bad block repair
Static priority mechanism
A data center uses firewalls to isolate storage devices from external networks. When maintaining storage devices engineers need to connect to the storage devices using the CLI or DeviceManager. Which ports need to be enabled on the firewall to meet the O&M requirements of engineers?
1260
8088
22
30002
Which of the following statements about the protocol layer of Huawei distributed storage products are correct?
The block service supports the iSCSI protocol.
The object service supports S3/Swift access.
HDFS access is supported
NFS to files not supported
A bank purchased an OceanStor all-flash storage system that uses the SmartMatrix full-mesh architecture to ensure continuity of its core services. Which of the following statements about the characteristics of this architecture are correct?
Full shared front-end interconnect I/O modules
Full interconnection among controllers
Disk interconnection across controller enclosure
A disaster recovery system can copy service data to a local or remote data center for protection. In which scenarios the disaster recovery system cannot restore data?
Disk failure
Virus attack
Misoperation
Breakdown of the service data center
Which of the following are Huawei remote DR Solutions?
Active-Active DC Solution
Active-Passive DR Solution
Local HA Solution
Geo-Redundant Solution
What operating systems are supported by OceanStor BCManager eReplication?
Windows
Linux
AIX
HP-UX
Solaris
Which of the following statements about the OceanStor Backup Solution are correct?
A. A backup management system mainly consists of backup software and a backup management server.
B. The backup solution involves the central, branch, and remote DR sites
C. Web-based management is not supported.
D. Backup nodes and backup storage media are separated from each other
What scenarios can smartvirtualization and smarmigration be applied when they work together?
Heterogeneous data migration
Upgrade or replacement of storage systems
Conversion from thick lun to thin lun
Heterogenous disaster recovery
Which of the following statements is true?
A. A link of 10mbps can be used for sync replication if copy speed is set to low
B. A link with latency of 1ms is required for sync replication
C. The maximum distance of async replication is unlimited, the maximum latency is not
D. A link of 100mbps (two way) is adequate for sync replication
Which of the following statement is true?
Async replication has no real distance limitation
Async replication can be configured to use real-time replication
Sync replication can impact performance of the primary LUN
Sync replication supports two secondary Lun
Which of the following features are used for data migration solution?
Smartpartition
Smartvirtualization
Smartquota
Smarmigration
Which of the following features are supported by thin LUNs?
Smartdedupe
Smartquota
Smarterase
Smartcompression
Smartpartition can:
Automatically partitions physical disks
Divide read and write cache into partitions
Prevent one service from claiming all resources
Allocate resources on demand
Which of the following statements about thin and thick LUNs are incorrect?
Initial capacity must be configured for both thin and thick LUNs
Thin and thick LUNs can be configured in the same storage pool
Thin or thick LUN can be greater than or equal to the available capacity of the storage pool where they reside
Thin or thick LUN can be batch created
Which counters can be used to evaluate the performance of SAN system?
IOPS
Bandwidth
CPU usage
Memory usage
smartQoS uses traffic controls, which in turn consists of:a number of queues, depending on the number of servicesa number of tokens, automatically adjusted by the systema system of allocating tokens to I/O requestsa system of releasing tokens to the token bucketmartQoS uses traffic controls, which in turn consists of:
a number of queues, depending on the number of services
a number of tokens, automatically adjusted by the system
a system of allocating tokens to I/O requests
a system of releasing tokens to the token bucket
Which of the following remote replication plans can be used in a geo-redundancy disaster recover solution?
Intra-city sync remote replication through optical fibers
Intra-city sync remote replication through IB link
Inter-city async remote replication through IB link
Inter-city async remote replication through ethernet
