QUESTION: 145

The peak write bandwidth for an application is 10MB / S, with an average write latency of 200KB / s and an average write IO size of 4KB (bandwidth utilization of 70%).
If you need to use OceanStor V3 storage array to implement data disaster recovery and set it as asynchronous replication mode, you need the minimum network-wide bandwidth of which of the following?

3.2Mbps
128Mbps
114 Mbps
18 Mbps

Answer(s): A

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QUESTION: 146

When the storage controller BBU is damaged, the controller automatically sets the IO write policy to transparent and is locked to ensure data reliability. Before the fault is recovered, it can be forced to write back.

True
False

Answer(s): B

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QUESTION: 147

VMware's storage resources can be provided through VMFS, native direct-attached storage via ESXi host-FC / FCOE or iSCSI link of the shared storage. You can also share the file system over the NFS network to support third-party NAS storage.

True
False

Answer(s): A

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QUESTION: 148

The OceanStor 18500 uses the RAID 2.0 virtualization architecture. When planning to configure storage, which of the following is incorrect?

A storage pool can create two types of LUNs, Thick LUN and Thin LUN
When creating a storage pool, the minimum number of SAS disks in the hard disk domain where the storage pool is located is 9 disks when the performance layer RAID policy is selected as 8D + 1P
In the RAID 2.0 virtualization architecture, the hot spare space in the storage pool is distributed on each member disk in the storage pool
RAID 2.0 virtualization architecture, the storage pool can contain three storage tiers, and each tier can be configured with a number of different RAID strategies

Answer(s): D

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QUESTION: 145

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QUESTION: 148