H3C GB0-191-ENU Constructing Small - and Medium - Sized Enterprise Network Online Training - Page 5 of 12

Question #41

In the Open System Interconnection Reference Model ( OSI ), ______ transmits data streams in the form of frames.

A . Network layer
B . Session layer
C . Transport layer
D . Data link layer

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Question #42

Which of the following advantages does the OSI reference model have ? (Multiple Choice)

A . The OSI reference model provides compatibility and standard interfaces between devices and promotes standardization.
B . The OSI reference model is a theoretical description of the information transmission process that occurs between network devices and defines how to implement each layer of function through hardware and software.
C . An important feature of the OSI reference model is its layered architecture. The hierarchical design method can transform huge and complex problems into several smaller and easy-to-handle problems.
D . The above statements are incorrect.

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Question #43

Which of the following advantages does the OSI reference model have ? (Multiple Choice)

A . The OSI reference model provides compatibility and standard interfaces between devices and promotes standardization.
B . An important characteristic of the OSI reference model is its layered architecture. The hierarchical design method can transform huge and complex problems into several smaller and easy-to-handle problems.
C . The OSI reference model is a theoretical description of the information transmission process that occurs between network devices, and defines how to implement each layer of function through hardware and software.
D . The above statements are incorrect.

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Question #44

The following statement about the functions of each layer of the OSI reference model is correct ______ . (Multiple choices)

A . The physical layer involves the original bit stream transmitted on the communication channel ( Channel ), which defines the mechanical, electrical functions, and regulations required to transmit data.
B . The network layer determines the best route for transmitting packets. The key issue is to determine how the data packets are routed from the source to the destination.
C . The basic function of the transport layer is to establish and maintain virtual circuits, perform error checking and flow control.
D . The session layer is responsible for data format processing and data encryption.
E . The application layer is responsible for providing network services for applications.

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Question #45

Here on OSI statement reference functions of each model error is ______ .

A . The physical layer involves the original bit stream transmitted on the communication channel ( Channel ), which defines the mechanical, electrical functions, and regulations required to transmit data.
B . The network layer determines the best route for transmitting packets. The key issue is to determine how the data packets are routed from the source to the destination.
C . The basic function of the transport layer is to establish and maintain virtual circuits, perform error checking and flow control.
D . The session layer is responsible for data format processing and data encryption.
E . The application layer is responsible for providing network services for applications.

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Question #46

The following statement about the functions of each layer of the OSI reference model is correct ______ . (Multiple choices)

A . The session layer is responsible for data format processing and data encryption.
B . The basic function of the transport layer is to establish and maintain virtual circuits, perform error checking and flow control.
C . The network layer determines the best route for transmitting packets. The key issue is to determine how the data packets are routed from the source to the destination.
D . The physical layer involves the original bit stream transmitted on the communication channel ( Channel ), which defines the mechanical, electrical functions, and regulations required to transmit data.
E . The application layer is responsible for providing network services for applications.

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Question #47

The following statement about the OSI reference model is correct ______ .

A . The data at the transport layer is called a frame ( Frame )
B . The data at the network layer is called a segment .
C . data link layer called packets ( Packet )
D . The data in the physical layer is called bit ( Bit )

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Question #48

The main function of the physical layer of the OSI reference model is ______ .

A . Physical address definition
B . Establish an end-to-end connection
C . Transmit bit stream between terminal equipment, define voltage, interface, cable standard and transmission distance etc.
D . Transfer data from one end host to the other end host

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Question #49

The IP protocol corresponds to layer ______ of the OSI reference model .

A . 5
B . 3
C . 2
D . 1

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Question #50

In the OSI reference model, the function of the network layer is mainly ______ .

A . Transmit the original bit stream on the channel
B . Make sure that the pieces of information that arrive at the other party are correct
C . Determine how the data packets are routed from the source to the destination
D . Strengthen the function of transmitting the original bit stream in the physical layer, and control the flow

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H3C GB0-191-ENU Constructing Small – and Medium – Sized Enterprise Network Online Training