In the HyperMetro active-active data center solution, before configuring active-active pairs, a user must configure an active-active domain. As a logical concept, an active-active domain contains the two storage arrays that require an active-active relationship and a quorum server.

• A.FALSE
• B.TRUE

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Which of the following is the correct DR solution delivery process?
a. Calculate storage capacity and bandwidth.
b. Analyze the solution feasibility.
c. Confirm the compatibility.
d. Plan services.
e. Design the networking.

• A.A > E > C > D > B
• B.B > C > A > E > D
• C.E > B > A > D > C
• D.A > B > C > D > E

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To maintain consistency among LUN data mirrors, we;

• A.Use HyperReplication and consistency groups.
• B.Use HyperSnap and consistency groups.
• C.Use SmartCopy and consistency groups.
• D.Use LUN copy and consistency groups.

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Which of the following statements about OceanStor 9000 hardware characteristics is incorrect?

• A.When the OceanStor 9000 is networked using IB switches, each node is equipped with 2-port IB network adapters, each of which provides two 40GE QSFP+ Ethernet optical ports to connect to the IB switches.
• B.A P25 node is a 2 U high-performance storage device and applies to OPS-intensive applications. It has 25 front-end service disk slots and two back-end 2.5-inch system disk slots.
• C.A C72 node is a 4 U large-capacity archive storage node and applies to large-capacity applications. It has 72 service disk slots and four system disk slots.
• D.All types of storage nodes support inserting one SSD in slot 0 as the read cache to improve system read performance.

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Regarding the read cache process of Huawei's distributed storage multi-level cache technology, which of the following read hits is the priority?

• A.Memory Read Cache
• B.SSD Read Cache
• C.SSD Write Cache
• D.Memory Write Cache

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