H3C GB0-191-ENU Constructing Small – and Medium – Sized Enterprise Network Online Training
H3C GB0-191-ENU Online Training
The questions for GB0-191-ENU were last updated at Sep 07,2025.
- Exam Code: GB0-191-ENU
- Exam Name: Constructing Small - and Medium - Sized Enterprise Network
- Certification Provider: H3C
- Latest update: Sep 07,2025
Data segmentation is done in ______ in the OSI reference model .
- A . Physical layer
- B . Network layer
- C . Transport layer
- D . Access layer
The to-end reliable data transfer and flow control is the OSI reference model ______ .
- A . Presentation layer
- B . Network layer
- C . Transport layer
- D . Session layer
In the OSI reference model, encryption is a function of ______ .
- A . Physical layer
- B . Transport layer
- C . Session layer
- D . Presentation layer
TCP belongs to ______ of OSI reference model .
- A . Network layer
- B . Transport layer
- C . Session layer
- D . Presentation layer
UDP belongs to ______ of the OSI reference model .
- A . Network layer
- B . Transport layer
- C . Session layer
- D . Presentation layer
SPX belongs to ______ of the OSI reference model .
- A . Network layer
- B . Transport layer
- C . Session layer
- D . Presentation layer
DNS works on the OSI reference model ______ .
- A . Network layer
- B . Transport layer
- C . Session layer
- D . Application layer
Connect two switches with an Ethernet cable, and the MDI type of the interconnection port is configured as across , then this Ethernet cable should be ________ .
- A . Only use crossover cables
- B . Only use direct-connect cables
- C . Both parallel and crossover cables can be used
- D . Neither parallel network cable nor cross network cable
The following statement about Ethernet is correct ________ . (Multiple choices)
- A . Ethernet is a network based on shared media
- B . Ethernet adopts CSMA / CD mechanism
- C . Ethernet transmission distance is short, the longest transmission distance is 500m
- D . The above statements are incorrect
The following statement about CSMA / CD is correct ______ . (Multiple choices)
- A . CSMA / CD is used in bus-type Ethernet, mainly to solve the problem of how to detect conflicts and ensure the orderly transmission of data when multiple stations send data simultaneously.
- B . When a station connected to the Ethernet wants to transmit a frame, it must wait until the channel is idle, ie the carrier disappears.
- C . The station can only start transmitting its frames when the channel is idle.
- D . If two stations start transmitting at the same time, they will hear the collision of signals and suspend the transmission of frames.
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