HCIA STORAGE V4.5 Flashcards
(33 cards)
multiple: Which of the following are data types?
- Structured data
- Semi-structured data
- Unstructured data
- Massive amounts of data
Structured data
Semi-structured data
Unstructured data
multiple: Which of the following statements about storage are correct?
* Storage refers to disks.
* A storage system consists of storage hardware, software, and solutions.
* Storage types include block storage, file storage, and object storage.
* File storage provides block services.
- A storage system consists of storage hardware, software, and solutions.
- Storage types include block storage, file storage, and object storage.
multiple: Which are characteristics of cloud storage?
- Convergence
- Open
- Scale-up
- Elasticity
Convergence
Open
Elasticity
multiple: Which of the following are the objectives of integrating AI into storage?
- Simple
- Efficient
- High power consumption
- Easy to use
Simple
Efficient
Easy to use
（Single）Which of the following statement about Huawei OceanStor all-flash storage is false?
- Supports SSDs and NVMe disks.
- Supports SAS disks.
- Supports HDDs.
- Supports palm-sized SSDs.
Supports SSDs and NVMe disks.
（Single）Which RAID level would you recommend if a user focuses on reliability and random write performance?
- RAID 10
- RAID 1
- RAID 0
RAID 10
（Multiple）Which networks are included in FC topologies?
- Arbitrated loop network
- Point-to-point network
- Switching network
- Dual-switching network
- Arbitrated loop network
- Point-to-point network
- Switching network
（Multiple）Which PCIe versions are available currently?
- PCIe 1.0
- PCIe 2.0
- PCIe 3.0
- PCIe 4.0
all is the correct answer
Multiple）Which of the following are file sharing protocols?
- HTTP protocol
- iSCSI protocol
- NFS protocol
- CIFS protocol
HTTP protocol
NFS protocol
CIFS protocol
（Multiple）Which of the following are included in distributed storage networking?
- Management network
- Frontend service network
- Frontend storage network
- Backend storage network
- Management network
- Frontend service network
- Backend storage network
（Multiple）Which of the following protocols are commonly used in SAN networking?
- FC
- iSCSI
- CIFS
- NFS
FC
iSCSI
（Multiple）Which of the following storage services are supported by Huawei distributed storage (such as Huawei OceanStor 100D)?
- Block storage
- File storage
- Object storage
- HDFS storage
- Linked storage
Block storage
File storage
Object storage
HDFS storage
（Multiple）What are the types of SSDs?
- SLC
- MLC
- TLC
- QLC
all is the correct answer
（Multiple）Which of the following can be used to measure the performance of an HDD?
- Disk capacity
- Rotation speed
- Data transfer rate
- Average access time
- Rotation speed
- Data transfer rate
- Average access time
（True-or-False）Scale-up is a method in which disk enclosures are continuously added to existing storage systems to cope with increasing data volumes.
true
（True-or-False）Data access will remain unaffected when any disk in a RAID 10 array fails.
true
（Single）Which status must a pair be before consistency splitting during LUN migration?
- Migrating
- Stop
- Normal
- Migrated
Migrated
（Multiple）Which of the following migration policies can be set for LUNs?
- Automatic migration
- Migration to the higher-performance tier
- Migration to the lower-performance tier
- No migration
all is the correct answer
（Multiple）Which of the following statements about consistency groups are correct?
- If multiple LUNs at the primary end have write dependency relationships, replication consistency groups must be configured to ensure that the secondary LUNs also have write dependency relationships.
- A consistency group is only used to manage the replication relationship between multiple LUNs.
- If one member in a consistency group is faulty, all members in the consistency group are unavailable.
- If multiple LUNs at the primary end have write dependency relationships, replication consistency groups must be configured to ensure that the secondary LUNs also have write dependency relationships.
- If one member in a consistency group is faulty, all members in the consistency group are unavailable.
（True-or-False）SmartTier cannot be enabled for a storage pool whose member disks are of the same type.
true
（True-or-False）A source LUN can form multiple HyperClone pairs with different target LUNs. A target LUN can be added to only one HyperClone pair.
true
（Single）Which is not a common backup topology?
- LAN-Base
- LAN-Free
- Server-Free
- Server-Base
Server-Base
（Multiple）Which are not common backup types?
- Full backup
- Incremental backup
- Extension backup
- Elastic backup
Extension backup
Elastic backup
（Multiple）Data replication is the core of a DR technology. On which three layers are replication devices distributed?
- Application layer
- Host layer
- Network layer
- Storage layer
Host layer
Network layer
Storage layer
