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H13-611_V4.5
HCIA-Storage V4.5 Questions and Answers

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Questions # 1:

With the advent of the era of big data, the corresponding storage technology is also undergoing changes.

Is the following statement correct? (Multiple choice)

Options:

The file system develops from a local file system to a cluster file system and a distributed file system

Traditional NAS, facing PB-level data, complex volume management and unbalanced system capacity allocation, will result in waste of resources

The mass storage system is characterized by a more complicated file system and more complicated management

Having large-scale expansion capability is the characteristic of mass storage system

Answer

A, B, C, D

Questions # 2:

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.

Options:

Description 1 is correct, description 2 is incorrect

Description 1 error, description 2 error

Description 1 is correct, description 2 is correct

Description 1 is wrong, description 2 is correct

Answer

Questions # 3:

Remote replication requires master and slave storage from the same manufacturer.

Options:

TRUE

FALSE

Answer

Questions # 4:

RTO=0 and RPO=0 in the disaster recovery center of the same city.

Options:

TRUE

FALSE

Answer

Explanation

Analysis: Synchronous remote replication is suitable for disaster recovery in the same city, which has high network requirements, but the amount of data loss (RPO) can be 0

Questions # 5:

Which mirroring scenarios are mainly used in HyperMirror? (Multiple choices)

Options:

Mirroring of two LUNs in this array

Cooperate with the heterogeneous virtualization function to realize the mirroring of the LUN of the heterogeneous array and the array

Cooperate with the heterogeneous virtualization function to realize the mirroring of two heterogeneous LUNs

The mirrors of the two LUNs of the volume mirror are not under the same home controller

Answer

A, B, C

Questions # 6:

In the Huawei storage system, which of the following is true about the characteristics of virtual snapshot LUNs?

Options:

The storage system can generate a snapshot in seconds

The snapshot LUN cannot be mapped to the host

Complete data copying is unnecessary

data use mapping table lookup

Answer

A, C, D

Questions # 7:

The backup is to copy and save the data or system. Once an error or disaster occurs, these backups can be used to restore the system

Data to restore the business to a normal operating state.

Options:

TRUE

FALSE

Answer

Questions # 8:

Which of the following three disaster recovery technologies are commonly used? (Multiple choice)

Options:

Disaster recovery based on the host layer

Disaster recovery based on the network layer

Array-based disaster recovery

Disaster recovery based on application layer

Answer

A, B, C

Questions # 9:

In Huawei RAID 2.0+, when the hot standby strategy of a storage tier is low, the following is about the hot standby reserved by the system for that tier

The capacity description of the space, what is wrong?

Options:

When the total number of hard drives in this layer is 10, reserve a capacity equivalent to 1 hard drive

When the total number of hard drives in this layer is 12, reserve the capacity equivalent to 1 hard drive

When the total number of hard drives in this layer is 20, reserve the capacity equivalent to 2 hard drives

When the total number of hard drives in this layer is 48, reserve the capacity equivalent to 2 hard drives

Answer

Explanation

Resolution:

Questions # 10:

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?

Options:

In the traditional mode, the data center relies on component redundancy to achieve high reliability

In the cloud computing mode, the data center relies on component redundancy to achieve high reliability

In the traditional model, cross-data center disaster recovery is mainly based on copying business data, and the recovery process is complicated and the recovery period is long

In the cloud computing mode, cross-data center disaster recovery is the replication of all data in the business data and operating environment.

Simple recovery process and short recovery period

Answer

Questions # 11:

Distributed object storage has a unified namespace, and supports online expansion.