Virtualization is the basis for the realization of NEV. Which of the following statements about the characteristics of virtualization is correct? (Multiple choice)

• A.Encapsulation: All virtual machines share the operating system, and encapsulation is achieved through name spaces.
• B.Partition: You can run multiple virtual machines on a single physical server at the same time.
• C.Hardware independence: virtual machine and hardware decoupling, support virtual machine migration between servers.
• D.Isolation: The virtual machines on the same physical server are isolated from each other.

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MIB (Management Information Base) is a virtual database that exists only in NMS.

• A.False
• B.True

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The OSI reference model from high-level to bottom-level is ().

• A.Application layer, presentation layer, session layer, transport layer, network layer, data link layer, physical layer
• B.Application layer, transport layer, network layer, data link layer, physical layer
• C.Application layer, presentation layer, session layer, network layer, transport layer, data link layer, physical layer
• D.Application layer, session layer, presentation layer, transport layer, network layer, data link layer, physical layer

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Now there are the following four segments: 10.24.0.0/24, 10.24.1.0/24, 10.24.2.0/24, 10.24.3.0/24, which route can point to these four network segments at the same time? (Multiple Choice)

• A.10.24.1.0/23
• B.10.24.0.0/21
• C.10.24.0.0/22
• D.0.0.0.0/0

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In the campus network planning, which of the following ways can business VLAN be divided?

• A.Divide vlan by access member structure
• B.Divide VLAN by logical area
• C.Divide VLAN by business
• D.Divide VLAN by geographical area

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