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
Which of the following statements about MAC addresses are correct ? (Multiple Choice)
- A . Ethernet uses MAC address to identify the host
- B . MAC address is a logical address that is easy to change
- C . The MAC address is fixed in the ROM , usually cannot be changed
- D . Usually only the terminal host needs the MAC address, routers and other network devices do not need
Which of the following statements about MAC addresses are wrong ? (Multiple Choice)
- A . Ethernet uses MAC address to identify the host
- B . MAC address is a logical address that is easy to change
- C . The MAC address is fixed in the ROM , usually cannot be changed
- D . Usually only the terminal host needs the MAC address, routers and other network devices do not need
Which of the following statements about fiber optics are correct ? (Multiple Choice)
- A . Multimode fiber can transmit light with different wavelengths and different incident angles
- B . The cost of multimode fiber is lower than that of single mode fiber
- C . When multimode fiber is used, the maximum transmission distance of the signal is longer than that of single mode fiber
- D . The core of multimode fiber is thinner
WLAN ( Wireless LAN ) is the product of the combination of computer network and wireless communication technology. Which of the following are WLAN technical standards ? (Multiple choice)
- A . 802.11a
- B . 802.11b
- C . 802.11c
- D . 802.11g
WLAN ( Wireless LAN ) is the product of the combination of computer network and wireless communication technology. Which of the following are WLAN technical standards ? (Multiple choice)
- A . 802.11a
- B . 802.11b
- C . 802.11c
- D . 802.11g
WLAN ( Wireless LAN ) is the product of the combination of computer network and wireless communication technology. Which of the following are WLAN technical standards ? (Multiple choice)
- A . 802.11a
- B . 802.11b
- C . 802.11c
- D . 802.11g
WLAN ( Wireless LAN ) is the product of the combination of computer network and wireless communication technology. Which of the following are WLAN technical standards ? (Multiple choice)
- A . 802.11a
- B . 802.11b
- C . 802.11c
- D . 802.11g
WLAN ( Wireless LAN ) is the product of the combination of computer network and wireless communication technology. Which of the following are WLAN technical standards ? (Multiple choice)
- A . 802.11a
- B . 802.11b
- C . 802.11c
- D . 802.11g
WLAN ( Wireless LAN ) is the product of the combination of computer network and wireless communication technology. Which of the following are WLAN technical standards ? (Multiple choice)
- A . 802.11a
- B . 802.11b
- C . 802.11c
- D . 802.11g
The 802.11b protocol defines 14 channels in the 2.4 GHz frequency band , and there is overlap in spectrum between adjacent channels.
In order to maximize the use of frequency band resources, which of the following channels can be used for wireless coverage ?
- A . 1 、 5 、 9
- B . 1 、 6 、 11
- C . 2 、 6 、 10
- D . 3 、 6 、 9
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