Changing the Concept of H13-611_V4.5-ENU Exam Preparation 2023
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NEW QUESTION # 127
When the RPO time requirement is at the minute level, the traditional tape backup method can be used.
- A. True
- B. False
Answer: B
NEW QUESTION # 128
Statement 1: Disaster Recovery plans eliminate the need for backups on tape or disk.
Statement 2: With the design of the DR plan one should always assume the worst possible scenario.
- A. Statement 1 and 2 are false.
- B. Statement 1 and 2 are true.
- C. Statement 1 is true; Statement 2 is false.
- D. Statement 1 is false; Statement 2 is true.
Answer: D
NEW QUESTION # 129
Statement 1: Multipathing is caused by adding redundant hardware.
Statement 2: Huawei offers a different version of Ultra Path for different operating systems.
- A. Statement 1 is true and statement 2 is false.
- B. Statement 1 is false and statement 2 is true.
- C. Statements 1 and 2 are both true.
- D. Both statements 1 and 2 are false.
Answer: C
NEW QUESTION # 130
Regarding the description of Huawei OceanStor storage system safe disk, which of the following is correct? (Multiple choice)
- A. Only the first two disks in the controller cabinet are used for safe disks
- B. Safe disk cannot be used to store user data
- C. When the device is powered off, the safe disk stores the data in the cache to prevent data loss
- D. When an unexpected power failure occurs, the BBU supplies power to the cache and safe disk
Answer: C,D
Explanation:
Analysis: There are two kinds of safe disks in the storage system: built-in safe disks and external safe disks. Safe disk is used to protect Stores data of the storage system, system configuration information and logs, and data in the cache after the system is powered off. Panel control integrated control box The first four hard disks or the first four hard disks in the first disk enclosure in the disk-controlled storage system are planned as coffer disks. safe Disks must use SAS, NL-SAS or SSD hard drives, and the hard drives of the four coffer disks must be the same type.
NEW QUESTION # 131
Which command is used to query the version of a Red Hat Linux 5 operating system?
- A. uname -a
- B. cat version
- C. find version
- D. show version
Answer: A
NEW QUESTION # 132
Which of the following is correct? (Multiple Choice)
- A. To write data to the secondary LUN of a clone pair, the pair must be split.
- B. A snapshot needs to be removed from the LUN group to be fully unmapped.
- C. Only when a snapshot is activated will the system record all changes to the original LUN.
- D. SmartTier supports a High Performance, a Performance, a High Capacity and a Capacity Tier.
Answer: A,B,C
NEW QUESTION # 133
The SATA connector can support both SATA and SAS hard drives.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 134
What statement about the SATA and SAS technologies is true?
- A. Both SATA and SAS are intelligent protocols with intelligent devices.
- B. Both use full-duplex communication.
- C. Both use serial communication.
- D. SATA and SAS support the same maximum number of devices on the bus.
Answer: C
NEW QUESTION # 135
In the Huawei storage system, which of the following is true about the characteristics of virtual snapshot LUNs?
- A. The snapshot LUN cannot be mapped to the host
- B. Complete data copying is unnecessary
- C. data use mapping table lookup
- D. The storage system can generate a snapshot in seconds
Answer: B,C,D
NEW QUESTION # 136
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?
- A. Throughput
- B. Seek time
- C. Rotational speed
- D. Rotational latency
Answer: D
NEW QUESTION # 137
The failure of an SSD is more predictable than that of other disk technologies.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 138
In the LAN-Base networking, both the service flow and the data flow take the LAN network, and occupy a large bandwidth.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 139
The recovery point objective (RPO) is used to identify how much time lies between two backups.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 140
What conditions should be considered for device backup bandwidth? (Multiple choice)
- A. Backup staff
- B. Backup cycle
- C. The daily quantity increment
- D. the size of the initial data
Answer: B,C,D
NEW QUESTION # 141
Incremental backups must rely on the last full backup and the last incremental backup to fully restore the data during data restoration. Data reconstruction during restoration is slower than a full backup, and the restoration window is larger.
- A. True
- B. False
Answer: A
NEW QUESTION # 142
When the RPO is minutes instead of hours the best backup method is traditional Tape backup.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 143
When determining hard disk performance, which of the following are relevant.
(Multiple Choice)
- A. Rotational speed,
- B. Transfer rate.
- C. Seek time,
- D. Transfer time.
Answer: A,B,C
NEW QUESTION # 144
Lifecycle Management Of Information and Data consists of 5 different stages. Which of the following is the second stage?
- A. Transmission.
- B. Maintenance.
- C. Usage.
- D. Generation.
Answer: A
NEW QUESTION # 145
What is the role of multi-path software? (Multiple choice)
- A. Data recovery
- B. Load balancing of IO traffic
- C. Fault path switching
- D. fault path recovery
Answer: B,C,D
NEW QUESTION # 146
Which of the following two descriptions is correct?
Description 1: The maintenance cost of traditional PC is usually lower than that of a desktop cloud.
Description 2: In cloud computing, data is stored and managed centrally.
- A. Description 1 is correct, description 2 is wrong
- B. Both descriptions 1 and 2 are wrong
- C. Description 1 is wrong, description is correct
- D. Both descriptions 1 and 2 are correct
Answer: C
NEW QUESTION # 147
What is the correct description of the advantages of Huawei RAID 2.0+?
- A. The data on a single LUN is distributed to many different hard disks, avoiding hard disk hot spots, making single LUN performance and The capacity has been greatly improved
- B. The data is automatically and evenly distributed on the hard disks in the storage pool to avoid uneven heating and cooling of the hard disk, thereby reducing the storage system Overall failure rate
- C. There is no write penalty in RAID2.0+, which overcomes the write penalty in RAID 5 and RAID 6 levels in traditional RAID technology The impact of the penalty on the write performance of the LUN has greatly improved the performance of the LUN
- D. Overcome the performance bottleneck of the traditional RAID reconstruction target disk (hot spare disk), making the reconstruction bandwidth write bandwidth no longer It becomes the bottleneck of the reconstruction speed, which greatly improves the reconstruction speed, reduces the probability of double-disk failure, and improves the storage system.
Reliability.
Answer: A,B,C,D
NEW QUESTION # 148
hich of the following options are correct regarding the advantages of NVMe? (Multiple Choice)
- A. High IOPS
- B. Low energy consumption
- C. Low latency
- D. High bandwidth
Answer: A,B,C,D
NEW QUESTION # 149
Cloud technology refers to the process of migrating all the local servers to an external online datacenter for data protection purposes.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 150
Which of the following statements about block virtualization technology for Huawei storage systems are correct? (Multiple Choice)
- A. Data is distributed to all disks, fully leveraging the read/write processing capability of a storage system.
- B. A CKG is the unit used in applying for space, releasing space, and relocating data.
- C. A RAID group is formed in the unit of physical disks.
- D. Data reconstruction efficiency improves significantly.
Answer: A,D
NEW QUESTION # 151
Which of the following statements is incorrect?
- A. A logical volume can reside on multiple physical disks. Data storage can be physically discontinuous.
- B. Physical volumes reside on the lowest layer in the logical volume manager. Logical volumes and volume groups are dependent on physical volumes.
- C. A volume group is built on physical volumes. A volume group can contain one physical volume group or multiple physical volumes.
- D. Multiple volume groups can be created on the space of a logical volume.
Answer: D
NEW QUESTION # 152
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